complementary
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B2 adjective /ˌkɒmplɪˈmɛntəri/

complementary

補完的な
Meaning
combining in such a way as to enhance or emphasize the qualities of each other
Example
The two partners have complementary skills.
二人のパートナーは補完的なスキルを持っています。
C1 noun /səˈvɪləti/

civility

礼儀
Meaning
Polite and courteous behavior.
Example
He treated his opponent with civility despite their differences.
彼は彼の対戦相手に対して礼儀を持って接した、彼らの違いにもかかわらず。
B2 noun ˌkɒnsəlˈteɪʃən

consultation

相談
Meaning
The action of consulting or discussing; a meeting with an expert or professional to seek advice.
Example
Consultation was essential.
相談は重要でした。
B1 noun /ˈkɒləm/

column

Meaning
A vertical structure that supports a building; also a section of text arranged vertically in a newspaper or table.
Example
The ancient temple had tall marble columns.
C2 noun /ˌkɛəriˈætɪd/

caryatid

女性の姿をした柱
Meaning
A stone carving of a draped female figure, used as a supporting column in architecture.
Example
The ancient temple featured a caryatid holding up the roof.
古代の神殿には屋根を支えるカリアティッドがありました。
B2 noun /kəˈlɪʒ.ən/

Collision

衝突; ぶつかり合い
Meaning
an instance of one moving object hitting violently against another; a conflict of opposing ideas or interests
Example
The collision between two cars caused a major traffic jam.
二台の車の衝突で大きな渋滞が発生しました。
A1 noun /kʌp/

Cup

カップ
Meaning
a small, round container, typically with a handle, used for drinking tea, coffee, or other hot beverages
Example
She drank tea from her favorite ceramic cup.
彼女はお気に入りの陶製カップからお茶を飲みました。
C1 noun /ˈsɪstərn/

cistern

貯水槽
Meaning
A tank or container for storing water, usually for household use.
Example
The old house still had a cistern to collect rainwater.
古い家にはまだ雨水を集めるための貯水槽がありました。
B1 noun /ˈtʃɪl.i ˈpaʊ.dər/

Chilli Powder

チリパウダー
Meaning
a spice made from ground dried chili peppers, used to add heat and flavor to food
Example
Add two teaspoons of chilli powder to make the dish spicier.
料理を辛くするためにチリパウダーを小さじ2杯加えてください。
C2 noun /ˈkɒntrətɑː̃/

contretemps

予期しない対立
Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
会議中、二人の同僚の間で小さな予期しない対立がありました。
C2 noun /ˈkɔː.seər/

corsair

海賊
Meaning
a pirate, especially one operating along the Mediterranean coasts
Example
The corsair plundered ships along the coast.
コルセアは海岸沿いで船を略奪した。
B1 noun /ˈkær.ə.væn/

Caravan

キャラバン
Meaning
a group of people traveling together, especially through desert areas
Example
The merchant caravan crossed the desert with camels carrying precious goods.
商人のキャラバンは、貴重な商品を運ぶラクダと共に砂漠を越えました。
A2 noun /ˈkʌp.bɔːrd/

Cupboard

食器棚
Meaning
a piece of furniture with doors and shelves for storing dishes, food, or clothes
Example
She stored all the plates and bowls in the kitchen cupboard.
彼女はすべての皿とボウルをキッチンのカップボードにしまいました。
A2 verb /kjʊər/

cure

治す
Meaning
to make someone healthy again after an illness
Example
The new medicine cured her of the infection.
新しい薬は彼女の感染症を治しました。
C1 noun /ˈkæləs/

callus

皮膚の硬化部分
Meaning
A thickened and hardened part of the skin or soft tissue, especially in an area subjected to friction.
Example
A callus formed on his palm from using tools every day.
毎日道具を使うことで、彼の手のひらにカラスができました。
C1 verb /ˈkætəˌlaɪz/

catalyze

触発する
Meaning
To cause or accelerate a reaction or change.
Example
The new law catalyzed reforms across the sector.
新しい法律は業界全体で改革を促進した。
C1 noun /ˈkliː.vər/

Cleaver

大きな包丁
Meaning
a heavy knife with a broad blade used for chopping meat or vegetables
Example
The chef used a cleaver to chop the chicken bones.
シェフはチキンの骨を切るために大きな包丁を使いました。
B2 verb /ˈkɒmbæt/

combat

戦う
Meaning
to fight against something, especially to reduce or stop it
Example
The government is taking steps to combat corruption.
政府は汚職と戦うための措置を講じています。
B2 noun/verb /sɪˈmɛnt/

cement

Meaning
a powdery substance that binds materials together; to make something strong or permanent
Example
The treaty helped cement the relationship between the two countries.
C2 noun /kənˈtraɪ.vəns/

contrivance

装置や計画
Meaning
a device or plan that is cleverly or artificially created
Example
The clock was an intricate contrivance of gears and springs.
その時計は歯車とバネの複雑な装置でした。
C1 adjective /kəmˈpleɪsənt/

complacent

自己満足
Meaning
showing self-satisfaction and a lack of concern about potential dangers or problems
Example
The team grew complacent after a few victories and stopped practicing hard.
チームは数回の勝利の後、自己満足し、練習をやめた。
C1 noun /ˈkɒnsjʊlət/

consulate

領事館
Meaning
the building or office where a consul works
Example
He went to the consulate to renew his visa.
彼はビザを更新するために領事館に行きました。
C2 noun /ˈkælvɪnɪzəm/

calvinism

カルヴァン主義
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
カルヴァン主義はプロテスタント神学の形成に重要な役割を果たした。
C2 noun /koʊˈædʒətər/

coadjutor

補佐
Meaning
a person who helps or assists another, especially in a religious or official capacity
Example
The bishop appointed a coadjutor to assist him with his duties.
司教は自分の義務を手伝うために補佐を任命した。
B2 noun /ˌsɜːrtɪfɪˈkeɪʃən/

certification

認定
Meaning
the process of officially recognizing or confirming that something or someone meets required standards; an official document proving qualification
Example
She received her professional certification after completing the training program.
彼女は研修プログラムを修了した後、専門的な認定を取得しました。
C1 adjective /ˌkɒzməˈpɒlɪtən/

cosmopolitan

コスモポリタン
Meaning
familiar with and at ease in many different countries and cultures
Example
He has a cosmopolitan outlook due to his extensive travels.
彼は広範な旅行のおかげで、コスモポリタン的な視点を持っています。
C2 noun /ˈklævɪkəl/

clavicle

鎖骨
Meaning
the collarbone, a long bone that serves as a strut between the shoulder blade and the sternum
Example
He fractured his clavicle in the accident.
彼は事故で鎖骨を骨折した。
C2 noun /ˈkʌstərd ˈæpəl/

Custard Apple

クリームアップル
Meaning
a tropical fruit with sweet creamy white flesh and black seeds
Example
The custard apple has a sweet and creamy texture.
クリームアップルは甘くてクリーミーな食感です。
A2 noun /ˈkaʊ.bɔɪ/

Cowboy

カウボーイ
Meaning
a man who tends cattle on a ranch, especially in the western United States
Example
The cowboy rode his horse across the vast prairie to find the cattle.
カウボーイは広大な草原を馬で走り、牛を探しに行った。
C2 noun /kjuːˈpɪdəti/

cupidity

強欲
Meaning
Excessive desire for wealth or possessions; greed.
Example
The king's downfall was caused by his cupidity.
王の没落は彼の強欲によるものであった。
C2 noun /ˈkʌvi/

covey

小さな鳥の群れ
Meaning
a small group of birds, especially partridges or quails
Example
A covey of quails flew across the field.
コヴィのウズラの群れが畑を飛び越えた。
B1 verb /kənˈɡrætʃʊleɪt/

congratulate

お祝いする
Meaning
to praise someone for an achievement or for a special occasion
Example
I want to congratulate you on your promotion.
私はあなたの昇進を祝いたいです。
B2 noun kəˈmɒd.ə.ti

commodity

商品
Meaning
A raw material or primary agricultural product that can be bought and sold.
Example
Oil is a valuable commodity in the global market.
石油は世界市場で貴重な商品です。
C1 noun /koʊˈɜː.ʃən/

coercion

強制
Meaning
The practice of persuading someone to do something by using force or threats.
Example
Cybercriminals use coercion to extract information.
サイバー犯罪者は情報を引き出すために強制を使います。
B1 noun ˌkriː.eɪˈtɪv.ɪ.ti

creativity

創造性
Meaning
The ability to use imagination to produce original ideas or to make something new or imaginative.
Example
His creativity was evident in his artwork.
彼の創造力は彼の芸術作品に明らかでした。
A1 adjective /koʊld/

Cold

寒い; 冷たい; 無愛想;
Meaning
having a low temperature; lacking warmth; unfriendly
Example
The cold winter wind made everyone shiver.
冷たい冬の風がみんなを震えさせた。
C2 adjective /ˈklɛmənt/

clement

温和な / 慈悲深い
Meaning
mild or merciful; describing weather as mild and pleasant
Example
The prisoners hoped for a clement judge.
囚人たちは温和な裁判官を望んでいた。
B2 noun /kəˈkeɪn/

cocaine

コカイン (麻薬)
Meaning
a powerful and addictive illegal drug made from coca leaves
Example
He was arrested for possessing cocaine.
彼はコカイン所持で逮捕されました。
C1 verb /ˌkaʊntərˈbæləns/

counterbalance

相殺する
Meaning
to offset or balance the effect of something
Example
Exercise can counterbalance the negative effects of stress.
運動はストレスの悪影響を相殺できます。
C1 noun /ˌkɒk.əˈtuː/

Cockatoo

コカトゥ
Meaning
a large parrot with a prominent crest that can be raised or lowered
Example
The white cockatoo raised its beautiful crest.
白いコカトゥは美しい冠羽を上げました。
B2 noun /sərˈkʌmfərəns/

circumference

円周
Meaning
the distance around the edge of a circle
Example
The teacher asked us to calculate the circumference of the circle.
先生は私たちに円周の長さを計算するように頼みました。
C1 noun ˈkɑːr.bən ˌsiː.kwəˈstreɪ.ʃən

carbon sequestration

炭素の固定化と長期貯蔵
Meaning
The process of capture and long-term storage of atmospheric carbon dioxide to mitigate or defer global warming.
Example
Forests play a key role in carbon sequestration.
森林は炭素の固定化において重要な役割を果たします。
A1 noun /ˈkʌl.ər/

Colour

Meaning
the property possessed by an object of producing different sensations on the eye as a result of the way it reflects light; hue, tint, shade
Example
What is your favorite colour for painting the bedroom walls?
寝室の壁を塗るためのお気に入りの色は何ですか?
C1 adjective /ˈtʃɛk.ərd/

checkered

チェッカード
Meaning
Having a pattern of alternating squares of different colors; also describing a past full of ups and downs or varied experiences.
Example
He had a checkered career with many highs and lows.
彼は多くの浮き沈みを経験したチェッカードなキャリアを持っていた。
A1 noun /tʃaɪld/

child

子供
Meaning
a young human being below the age of puberty or below the legal age of majority
Example
The child played happily in the park.
その子供は公園で楽しそうに遊んでいました。
C1 noun /kənˈsɜːvəˌtɪzəm/

conservatism

保守主義
Meaning
A political or social philosophy promoting traditional institutions and resistance to change.
Example
Conservatism values tradition and gradual development.
保守主義は伝統と徐々に進行する発展を重視します。
C2 noun /ˈkruːɪt/

cruet

小さな容器
Meaning
a small container, especially for salt, pepper, oil, or vinegar, used at a dining table
Example
She filled the cruet with olive oil for the salad.
彼女はサラダのためにオリーブオイルでクルエットを満たしました。
C1 noun /ˈsɛtərə/

cetera

等々
Meaning
Latin for 'the rest' or 'others'; commonly used in the phrase 'et cetera' meaning 'and so on'.
Example
We need to buy pens, paper, notebooks, et cetera.
ペン、紙、ノートなどを買わなければなりません。
C1 noun /ˈkoʊmə/

coma

コーマ
Meaning
A deep state of prolonged unconsciousness caused by illness or injury.
Example
The patient remained in a coma for several weeks.
患者は数週間コーマ状態にありました。
A2 noun /klaʊn/

Clown

道化師; サーカスの中で特に伝統的な衣装と誇張されたメイクをしたコメディアン
Meaning
a comic entertainer, especially one in a circus, wearing a traditional costume and exaggerated makeup
Example
The children laughed loudly at the funny clown's silly antics.
子供たちは面白いクラウンの愚かな仕草に大笑いしました。
C2 adjective /ˈsɜːrkəmskraɪbd/

circumscribed

制限された
Meaning
restricted or limited in scope or freedom
Example
Her freedom of choice was circumscribed by social rules.
彼女の選択の自由は社会的なルールによって制限されていた。
B2 verb kəˈlæbəreɪt

collaborate

協力する
Meaning
To work jointly with others, especially in an intellectual endeavor; cooperate.
Example
Volunteers often collaborate with local organizations.
ボランティアは地元の組織とよく協力しています。
C1 noun /ˈklaɪəntɛl/

clientele

顧客層
Meaning
The clients or customers of a professional person or business.
Example
The salon's clientele includes many high-profile individuals.
そのサロンの顧客層には多くの高いプロフィールを持つ人物が含まれています。
C2 noun /ˈkærɪt/

caret

キャレット (^)
Meaning
A proofreading symbol (^) used to indicate where something should be inserted.
Example
The editor placed a caret to show where the missing word should go.
編集者は、欠落している単語を挿入する場所を示すためにキャレットを配置しました。
C1 noun, verb /klɒt/

clot

血栓
Meaning
a thick mass of coagulated liquid, especially blood; to form such a mass.
Example
The doctor removed a blood clot from the patient.
医者は患者から血栓を取り除きました。
B1 noun /tʃest/

Chest

胸部; 箱
Meaning
the front surface of a person's or animal's body between the neck and abdomen; a large strong box
Example
The doctor listened to his chest with a stethoscope.
医者は聴診器で彼の胸部を聞いた。
B1 noun /ˈkɑn.fɪ.dəns/

Confidence

自信
Meaning
the feeling or belief that one can rely on someone or something; firm trust; self-assurance
Example
She spoke with great confidence during the job interview.
彼女は面接で大きな自信を持って話しました。
C1 adjective kəʊˈhiː.sɪv

cohesive

結束力のある
Meaning
Characterized by or causing cohesion; forming a united whole.
Example
The team displayed a cohesive strategy.
チームは一体感のある戦略を示しました。
B2 verb /ˈkɒnvɪkt/

convict

有罪判決を下す
Meaning
to find someone guilty of a crime in a court of law
Example
The court convicted him of theft.
裁判所は彼を窃盗罪で有罪とした。
C1 adjective /ˈkɒz.mɪk/

cosmic

宇宙的, 広大な
Meaning
relating to the universe or cosmos; vast
Example
Astronomers study cosmic phenomena to understand the universe.
天文学者たちは宇宙を理解するためにコズミック現象を研究しています。
B2 noun /kənˈdenst mɪlk/

Condensed milk

練乳
Meaning
milk from which water has been removed and sugar added, creating a thick, sweet product
Example
The recipe calls for a can of condensed milk to make the dessert extra creamy.
レシピにはデザートをよりクリーミーにするためにコンデンスミルク缶が必要です。
C2 noun /ˈklaɪ.mɪŋ læŋ læŋ/

Climbing lang lang

ランランのつる植物
Meaning
a climbing plant with fragrant flowers native to tropical regions
Example
The climbing lang lang vine produces beautiful fragrant flowers.
ランランのつる植物は美しい芳香の花を生産します。
C2 noun /kənˈtɔːrʃənz/

contortions

捻じれの複数形; いくつかのねじれたまたは曲がった形
Meaning
plural form of contortion; multiple twisted or bent shapes
Example
The magician's contortions left the crowd in awe.
魔術師のコンタ―ションは観客を驚かせた。
C1 adjective /ˈkrɪm.zən/

Crimson

深紅
Meaning
a deep purplish-red color
Example
The crimson sunset painted the sky with beautiful shades.
深紅の夕日が美しい色合いで空を染めました。
C1 noun /krəˈʃɛndoʊ/

crescendo

音量の段階的増加
Meaning
a gradual increase in loudness or intensity, especially in music
Example
The orchestra built to a powerful crescendo before the finale.
オーケストラはフィナーレの前に強力なクレッシェンドを築いた。
B2 verb /saɪt/

cite

引用する
Meaning
to quote; to mention as an example or proof
Example
The lawyer cites relevant case law.
弁護士は関連する判例法を引用します。
C1 verb /ˈkɒr.ə.leɪt/

correlate

関連付ける
Meaning
To have a mutual relationship or connection; to establish a relationship between two or more things.
Example
Researchers found that diet and mental health correlate strongly.
研究者たちは、食事とメンタルヘルスが強く関連していることを発見しました。
C2 adjective /ˈkrɒtʃ.ə.ti/

crotchety

不機嫌
Meaning
bad-tempered, easily annoyed, and often complaining
Example
The crotchety old man yelled at the children for playing near his house.
不機嫌な老人は、自分の家の近くで遊んでいる子供たちに叫んだ。
B1 noun /ˈklaɪənt/

client

クライアント
Meaning
A person or organization using the services of a professional or company.
Example
The lawyer met with her client to discuss the case.
弁護士はクライアントと会ってケースを話し合った
C1 verb /ˈkælɪˌbreɪt/

calibrate

Meaning
To adjust or mark something so it can be used accurately; to standardize.
Example
The technician calibrated the machine before starting the experiment.
B1 noun /kəˌmjunɪˈkeɪʃən/

communication

コミュニケーション
Meaning
The act or process of using words, sounds, signs, or behaviors to express or exchange information or to express your ideas, thoughts, feelings, etc.
Example
Effective communication is crucial for any successful project.
効果的なコミュニケーションは、どんな成功したプロジェクトにも不可欠です。
C2 noun /ˈkɔːrsər/

courser

速い馬または狩猟馬
Meaning
a swift horse or a hunting horse
Example
The knight rode a fast courser into battle.
騎士は速いコーサーに乗って戦いに向かった。
B1 noun /klɪf/

cliff

Meaning
a high, steep face of rock or earth
Example
The waves crashed against the bottom of the cliff.
波は崖の底にぶつかりました。
C1 noun /ˈkoʊhɔːrt/

cohort

コホート
Meaning
A group of people with a shared characteristic, usually of the same age or with a common experience.
Example
The study tracked a cohort of students over ten years.
その研究は10年にわたり学生のコホートを追跡しました。
B2 noun /kənˈdʌktər/

conductor

指揮者 / 導体
Meaning
a person who directs a performance or someone who collects fares on public transport; or a material that conducts electricity
Example
The conductor waved his baton to start the orchestra.
指揮者はオーケストラを始めるためにバトンを振りました。
A2 verb /kəˈlɛkt/

collect

集める
Meaning
to gather together; to accumulate items
Example
I collect stamps as a hobby.
私は趣味で切手を集めます。
B2 adverb /ˈkrɪtɪkli/

critically

重大に
Meaning
in a way that expresses disapproval or a very serious, important way
Example
He was critically injured in the accident.
彼は事故で重傷を負った。
B1 adjective /kəmˈbaɪnd/

combined

結合された
Meaning
formed by bringing together separate parts or elements
Example
The combined effort of the team led to success.
チームの共同の努力は成功をもたらしました。
C1 noun /ˈtʃæplɪn/

chaplain

チャプレン
Meaning
A member of the clergy attached to a private chapel, institution, hospital, or military unit.
Example
The army chaplain offered prayers before the battle.
軍のチャプレンは戦闘前に祈りを捧げました。
C1 noun /ˈsɪ.nɪk/

Cynic

皮肉屋; 疑い深い人
Meaning
a person who believes that people are motivated purely by self-interest; someone who is skeptical about human nature
Example
The old cynic believed that politicians only cared about getting votes.
その古い皮肉屋は政治家がただ票を得ることにしか関心がないと信じていた。
B1 noun /ˈkɒtən/

cotton

幸せ
Meaning
A soft white fibrous substance used to make cloth and thread.
Example
This shirt is made of pure cotton.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
A1 noun /ˈkrɪsməs/

christmas

クリスマス
Meaning
an annual festival celebrating the birth of Jesus Christ, observed on December 25
Example
Families gather to celebrate Christmas with joy and love.
家族は喜びと愛を持ってクリスマスを祝うために集まります。
C1 noun /ˈtʃʌk.əl/

Chuckle

軽い笑い
Meaning
a quiet or suppressed laugh; to laugh quietly or with amusement
Example
He gave a soft chuckle when he heard the funny joke.
彼は面白いジョークを聞いて軽くクスクス笑った。
C1 noun /ˈsɪtəˌdɛl/

citadel

要塞
Meaning
A fortress protecting or dominating a city.
Example
The ancient citadel stood guard over the town for centuries.
古代の要塞は何世代にもわたり町を守っていた。
C1 adjective /kræs/

crass

無神経な、感受性や洗練さが欠けている
Meaning
lacking sensitivity, refinement, or intelligence
Example
His crass remarks offended everyone at the meeting.
彼の無神経な発言は会議で全員を怒らせました。
B2 verb /kənˈstreɪn/

constrain

制限する
Meaning
to limit or restrict someone or something; to force or compel
Example
The new regulations constrain businesses from polluting the environment.
新しい規制は企業が環境を汚染するのを制限しています。
C2 noun /kænˈtɑː.tə/

cantata

カンタータ
Meaning
A vocal composition with instrumental accompaniment, typically in several movements, often involving a choir.
Example
The choir performed a beautiful cantata during the festival.
合唱団は祭りの間に美しいカンタータを演奏しました。
B2 noun /kənˈstreɪnt/

constraint

制約
Meaning
a limitation or restriction
Example
Time is the biggest constraint in completing the project.
プロジェクトを完了するための最大の制約は時間です。
C2 noun /kəmˈpɛndiəm/

compendium

コンペンディウム
Meaning
A collection of concise but detailed information about a subject.
Example
The book is a compendium of ancient myths and legends.
その本は古代の神話と伝説のコンペンディウムです。
A2 adjective /ˈkʌlərfəl/

colorful

カラフル
Meaning
having bright colors; full of variety or interest
Example
The festival was full of colorful decorations.
その祭りはカラフルな装飾でいっぱいでした。
C1 noun /ˈkælkjʊləs/

calculus

微積分
Meaning
A branch of mathematics concerned with rates of change and accumulation; also a hard mineral deposit in the body such as on teeth.
Example
Calculus is essential for advanced studies in physics and engineering.
微積分は物理学と工学の高度な研究に不可欠です。
B2 noun /kəˈlɛstərɒl/

cholesterol

コレステロール
Meaning
a fatty substance found in the blood, high levels of which can cause health problems
Example
High cholesterol can increase the risk of heart disease.
高コレステロールは心臓病のリスクを高める可能性があります。
B1 adjective ˈkɒmplɛks

complex

複雑
Meaning
Having many interrelated parts or factors; complicated.
Example
The relationship between poverty and education is complex.
貧困と教育の関係は複雑です。
B1 noun /kənˌfɜːˈmeɪʃən/

confirmation

確認
Meaning
the action of confirming something or the state of being confirmed
Example
She received a confirmation email for her appointment.
彼女は彼女の予約の確認メールを受け取りました。
A2 noun /kɔɪnz/

coins

コイン
Meaning
Flat, typically round pieces of metal issued by a government as money.
Example
He collected old coins from different countries.
彼はさまざまな国から古いコインを集めました。
B2 noun /kʌlt/

cult

カルト
Meaning
a system of religious veneration and devotion directed toward a particular figure or object
Example
The cult followed their leader with great devotion.
カルトは彼らの指導者に大きな献身をもって従った。
B1 noun /ˈtʃɛərmən/

chairman

幸福
Meaning
the leader or head of a meeting, committee, or organization
Example
The chairman opened the meeting with a short speech.
彼女は賞を受け取ったとき、喜びを隠せなかった。
C2 noun /kəˈnɑːrd/

canard

Meaning
a false or unfounded story or rumor
Example
The article turned out to be nothing more than a canard.
C1 noun /ˈkɑːmənˌwɛlθ/

commonwealth

コモンウェルス
Meaning
an independent community or state, especially one founded for the common good; also an association of nations
Example
Australia is a member of the Commonwealth of Nations.
オーストラリアはコモンウェルス加盟国です。
B2 noun /ˈkɜːr.tə.si/

Courtesy

礼儀; 優雅;
Meaning
the showing of politeness in one's attitude and behavior toward others; a polite gesture or remark
Example
He showed great courtesy by holding the door open for elderly people.
彼は高齢者のためにドアを開けたまま、非常に礼儀正しさを示しました。
B1 noun /kəˈsiːnoʊ/

casino

カジノ
Meaning
a place where people gamble and play games of chance
Example
They spent the evening playing cards at the casino.
彼らはカジノでカードをして夜を過ごしました。
B2 adjective /ˈsɛntɪɡreɪd/

centigrade

摂氏度 (センチグレード)
Meaning
Relating to the Celsius temperature scale, where water freezes at 0° and boils at 100°.
Example
The weather forecast predicted 30 degrees centigrade.
天気予報では30度セントグレードと予測されました。
C2 noun /ˌkɑːnfɔːrˈmeɪʃən/

conformation

形態
Meaning
The shape, structure, or arrangement of something.
Example
The scientist studied the molecular conformation of the protein.
科学者はタンパク質の分子構造を研究した。
A2 noun /koʊtʃ/

coach

コーチ
Meaning
A person who helps improve others' skills or knowledge.
Example
The football coach motivated his team before the match.
サッカーのコーチは試合前にチームを励ました。
A2 verb /kəˈnɛkt/

connect

接続する
Meaning
To join or fasten together; to establish a link or relationship.
Example
Social media helps us connect with others.
ソーシャルメディアは私たちが他の人と接続するのを助けます。
B2 noun, verb /kloʊk/

cloak

クローク
Meaning
a loose outer garment; to cover, hide, or disguise
Example
The spy cloaked his identity with a false name.
スパイは偽名で自分の身元を隠した。
C2 noun /klaɪm/

clime

気候帯
Meaning
A region defined by its climate.
Example
He traveled to warmer climes during the winter.
彼は冬の間、暖かい気候帯を旅行していた。
C2 noun/adjective /ˈsaɪklɔɪd/

cycloid

サイクロイド曲線
Meaning
a curve traced by a point on the rim of a circle as it rolls along a straight line
Example
The cycloid is often studied in mathematics and physics.
サイクロイド曲線は数学と物理学でよく研究されます。
B1 adjective /ˈkɔːʃəs/

cautious

慎重
Meaning
careful to avoid potential problems or dangers
Example
She was cautious about trusting strangers.
彼女は見知らぬ人を信頼することに慎重だった。
B1 adjective ˈkʌltʃərəl

cultural

文化的
Meaning
Relating to the arts and to intellectual achievements.
Example
Schools organize cultural programs to honor Victory Day.
学校は勝利の日を記念して文化的なプログラムを開催します。
B2 noun /ˈklɪərəns/

clearance

許可 / 承認
Meaning
official permission or authorization; the removal of something unwanted; the distance between two objects
Example
The pilot received clearance to land the plane.
パイロットは着陸許可を受けました。
B1 adjective /kəˈmɪtɪd/

committed

コミットされた
Meaning
Dedicated and loyal to a cause, activity, or relationship.
Example
She is a committed teacher who cares deeply for her students.
彼女は学生たちを深く気にかける、コミットされた教師です。
B1 noun /tʃiːf/

chief

首長
Meaning
a leader or person in charge of a group or organization
Example
The chief of the village made an important decision.
村の首長は重要な決定を下しました。
A2 noun /ˈkælɪndər/

calendar

カレンダー
Meaning
a system for organizing days, months, and years; a chart showing days of the year
Example
She marked her birthday on the calendar.
彼女はカレンダーに誕生日をマークしました。
A1 noun /klɑːs/

class

クラス
Meaning
a group of students taught together or a category of people or things with shared characteristics
Example
Our class meets every morning at nine.
私たちのクラスは毎朝9時に会います。
C1 noun kənˌsɒl.ɪˈdeɪ.ʃən

Consolidation

記憶の定着
Meaning
The process of converting newly learned information into long-term memory
Example
Sleep plays a key role in memory consolidation.
睡眠は記憶の定着において重要な役割を果たします。
B2 noun /ˈkæp.tɪv/

Captive

捕虜
Meaning
a person who has been taken prisoner or an animal that has been confined
Example
The captive was held in a small cell for several months.
捕虜は数ヶ月間小さな部屋に閉じ込められていた。
B2 adjective /kəʊˈhɪə.rənt/

coherent

一貫性のある
Meaning
Logical and consistent; forming a unified whole; clear and easy to understand.
Example
His speech was clear and coherent.
彼のスピーチは明確で一貫していました。
B1 noun /ˈsɛrəˌmoʊni/

ceremony

Meaning
A formal event or occasion, often with rituals and traditions.
Example
The graduation ceremony was held in the university hall.
B2 adverb /kənˈsɪstəntli/

consistently

一貫して
Meaning
in a way that does not vary; regularly and dependably
Example
She has been performing consistently well in her studies.
彼女は学業で一貫して良い成績を収めています。
A2 noun,verb /kɔːrt/

court

裁判所または注目や好意を求める場所
Meaning
a place where legal cases are heard or to seek favor or attention
Example
He courted the judge with respect.
彼は裁判官に敬意を示して求婚した。