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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 /ˈkoʊkənʌt/

Coconut

Meaning
a large brown seed with hard shell containing white flesh and coconut water
Example
We drank coconut water directly from the coconut.
B2 noun /kənˈfɛkʃəneri/

confectionery

菓子類
Meaning
sweets, candies, and other food items made with sugar
Example
The shop sells a wide variety of confectionery.
その店はさまざまなお菓子を販売しています。
C2 verb /kənˈstrɪndʒ/

constringe

収縮する
Meaning
to cause to shrink or contract; to constrict
Example
The medicine helped constringe the swollen tissues.
その薬は腫れた組織を収縮させるのに役立ちました。
B1 adjective /ˈkæʒ.u.əl/

Casual

リラックスして無頓着; 偶然の; 非公式
Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
彼はパーティーにカジュアルな服を着て行った。
C1 noun /ˈkɑːrdəməm/

Cardamom

カルダモン
Meaning
aromatic seeds from a plant in the ginger family, used as a spice
Example
The recipe calls for a pinch of ground cardamom.
レシピにはひとつまみの粉末カルダモンが必要です。
C1 adjective /kənˈtɛmptʃuəs/

contemptuous

軽蔑的, 侮辱的
Meaning
showing or expressing contempt; scornful
Example
She gave him a contemptuous glance.
彼女は彼に軽蔑のまなざしを向けた。
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。
C2 verb /kənˈvɑːlv/

convolve

一緒に巻いたり、ねじったりする; 巻きつけたり、絡めたりする
Meaning
to roll or twist together; to coil or entwine
Example
The vines convolve around the tree trunk.
ツルは木の幹の周りを巻きつけます。
B2 noun /kaʊtʃ/

Couch

カウチ
Meaning
a long upholstered seat for more than one person, typically with a back and arms
Example
The family gathered on the couch to watch a movie.
家族はソファに集まり、映画を見ました。
B1 noun ˈkɒn.sɪ.kwəns

consequence

結果
Meaning
A result or effect of an action or condition.
Example
Every action has a consequence.
すべての行動には結果があります。
C2 noun /ˈkæl.əm.ni/

Calumny

中傷
Meaning
the making of false and defamatory statements about someone in order to damage their reputation
Example
The politician sued the newspaper for spreading calumny about his personal life.
その政治家は自分の私生活に関する中傷を広めた新聞に対して訴訟を起こした。
C1 adjective ˈkɒn.və.luː.tɪd

convoluted

複雑な
Meaning
Extremely complex and difficult to follow; twisted or intricate.
Example
His argument was so convoluted that no one understood it.
彼の議論は非常に複雑で、誰も理解できませんでした。
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。
C1 verb /ˈkɒnfɪskeɪt/

confiscate

Meaning
to take something away officially, often as a punishment
Example
The teacher confiscated the student's phone during class.
B1 noun /ˈkætl/

cattle

幸せ
Meaning
large domesticated animals such as cows and bulls that are kept on a farm for their milk, meat, or hides
Example
The farmer owns a herd of cattle that graze near the river.
彼女は賞を受け取ったとき、自分の幸せを隠せませんでした。
C2 noun /ˈkæm.fər/

Camphor

カンフル
Meaning
a white crystalline substance with a strong aromatic smell, used in medicine and religious ceremonies
Example
The temple was filled with the fragrant smoke of burning camphor.
寺院は燃えているカンフルの芳香煙で満たされていました。
C2 verb /kənˈtjuːz/

contuse

打撲する
Meaning
to bruise by striking or hitting
Example
He contused his arm when he fell off the bike.
彼は自転車から落ちて腕を打撲しました。
C2 noun /ˈkeɪsiːn/

Casein

カゼイン
Meaning
the main protein found in milk and cheese, used in food production and supplements
Example
Casein protein powder is popular among athletes for muscle recovery.
カゼインプロテインパウダーは、アスリートにとって筋肉の回復に人気があります。
B2 noun /kənˈvɛn.ʃən.əl ˈfɑːr.mɪŋ/

conventional farming

従来型農業
Meaning
Traditional farming method using synthetic fertilizers, pesticides, and modern technology.
Example
Conventional farming increases crop production using fertilizers.
従来型農業は肥料を使って作物の生産を増加させる。
C1 noun ˈkɔː.pəs

corpus

言語分析と研究に使用される大規模な言語データの集まり
Meaning
A large collection of linguistic data used for language analysis and research.
Example
Linguists use a corpus to analyze language patterns.
言語学者は言語パターンを分析するためにコーパスを使用します。
C1 adjective /ˌkætəˈɡɒrɪkəl/

categorical

カテゴリー的
Meaning
Absolute and without exception; expressed clearly and directly.
Example
She gave a categorical denial of the allegations.
彼女はその告発に対してカテゴリー的な否定をした。
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 /kənˈstruː/

construe

解釈する
Meaning
to interpret or understand the meaning of something in a particular way
Example
His words could be construed as a threat.
彼の言葉は脅威として解釈されるかもしれません。
B2 noun /kraɪˈtɪəriə/

criteria

基準
Meaning
Standards or principles by which something is judged or decided.
Example
The candidates were evaluated based on strict criteria.
候補者は厳格な基準に基づいて評価されました。
B1 noun /kəmˈpleɪnt/

complaint

苦情
Meaning
a statement that something is wrong or not satisfactory
Example
The manager received a complaint from a customer about poor service.
マネージャーは、顧客からのサービスが悪いという苦情を受け取りました。
C1 noun /ˈkaʊntərˌpɔɪnt/

counterpoint

対比点
Meaning
an argument, idea, or theme contrasting with another; also a musical term for independent melody
Example
Her calm attitude was a counterpoint to his anger.
彼女の落ち着いた態度は彼の怒りの対比点だった。
C1 noun /ˈkɒnfɪdænt/

confidant

信頼できる友人
Meaning
A person with whom one shares a secret or private matter, trusting them not to repeat it.
Example
She found a true confidant in her childhood friend.
彼女は子供時代の友人の中に本当の信頼できる友人を見つけました。
B2 noun /kəˈrʌp.ʃən/

Corruption

腐敗
Meaning
dishonest or fraudulent conduct by those in power; the process of decay or decomposition
Example
The government launched a campaign to fight corruption in public offices.
政府は公共のオフィスでの腐敗と戦うためのキャンペーンを開始しました。
B2 noun /ˈkæt fɪʃ/

Cat fish

ナマズ
Meaning
a freshwater fish with whisker-like barbels around the mouth, commonly found in ponds and rivers
Example
Catfish is often fried and served with rice in Bengali cuisine.
ナマズはしばしば揚げられ、ベンガル料理ではご飯と一緒に出されます。
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。
C2 adjective /kənˈvɪviəl/

convivial

友好的で生き生きとした、楽しい; 社交的
Meaning
friendly, lively, and enjoyable; sociable
Example
The party had a convivial atmosphere with music and laughter.
パーティーは音楽と笑いに満ちたコンヴィヴィアルな雰囲気でした。
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 /kənˈtɪnjuəm/

continuum

連続体
Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
生と死はしばしば同じ連続体の一部と見なされます。
A2 noun /ˈkʌm.pə.ni/

company

会社
Meaning
a business organization; the presence of other people
Example
She started her own company to sell handmade products.
彼女は手作りの製品を販売するために自分の会社を始めました。
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。
C1 noun sɪˈmɛntɪd ɡreɪv

cemented grave

セメントで作られた墓
Meaning
A grave that is constructed with cement for permanence.
Example
The cemented grave of the martyrs was seen near the river.
殉教者のセメントで作られた墓が川の近くで見られました。
B1 noun ˈklaɪ.mət tʃeɪndʒ

climate change

気候変動
Meaning
A change in global or regional climate patterns, attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
Example
Climate change is causing more natural disasters.
気候変動は、より多くの自然災害を引き起こしています。
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。
B2 noun /ˈkɒnsənənt/

consonant

子音
Meaning
A speech sound produced by blocking air flow, or a letter representing such a sound.
Example
The word 'cat' has two consonants and one vowel.
‘猫’という単語には、2つの子音と1つの母音があります。
C1 noun /ʃəˈmiːz/

Chemise

シェミーズ
Meaning
a woman's loose-fitting undergarment or dress hanging straight from the shoulders
Example
The vintage chemise was made of delicate lace and silk.
ヴィンテージのシェミーズは、繊細なレースとシルクで作られていました。
B2 noun kənˈsen.səs

consensus

コンセンサス
Meaning
A general agreement among all members of a group.
Example
Consensus was reached after long deliberation.
長い議論の後、コンセンサスが得られました。
C1 noun /kəˈpɪl.ər.iz/

capillaries

毛細血管
Meaning
Any of the fine branching blood vessels that form a network between the arterioles and venules.
Example
Broken capillaries cause dark circles.
壊れた毛細血管は暗い輪を引き起こす。
B2 verb /ˈkærəktəraɪz/

characterize

Meaning
to describe or portray the distinctive features or qualities of someone or something
Example
The author characterizes the hero as brave and selfless.
B2 adjective /kənˈdʒɛstɪd/

congested

渋滞
Meaning
Blocked up with too much traffic or crowding.
Example
The road was congested during rush hour.
ラッシュアワー中、道路は渋滞していました。
C1 verb /kənˈsaɪn/

consign

委託する
Meaning
to deliver something to a person or place, often for selling or safekeeping
Example
He consigned the package to the shipping company.
彼は荷物を配送会社に委託しました。
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。
C2 noun /kɔˈrɪkə soˈbɔrnə/

Corica soborna

カチキの魚
Meaning
a small silvery fish species found in South Asian rivers, commonly used in local cuisine
Example
Corica soborna is a popular ingredient in traditional Bengali fish curry.
コリカ ソボルナは伝統的なベンガル魚カレーの人気の材料です。
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。
B1 noun /ˈkɒntɪnənt/

continent

大陸
Meaning
one of the large landmasses on Earth such as Asia, Africa, or Europe
Example
Asia is the largest continent in the world.
アジアは世界で最も大きな大陸です。
B2 verb /kənˈfaɪd/

confide

Meaning
To tell someone about a secret or private matter while trusting them not to repeat it.
Example
He confided his worries to his best friend.
C1 verb কনডেন্স

condense

凝縮する
Meaning
To change from gas to liquid form; to become denser.
Example
Water vapor condenses into raindrops.
水蒸気は雨滴に凝縮します。
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

反訴
Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
弁護士は告発者に対して反訴を提起しました。
B1 adjective ˈkrɪtɪkəl

critical

重大な
Meaning
Extremely important; at a point of crisis or urgency.
Example
Addressing critical issues in education is imperative.
教育の重大な問題に対処することは不可欠です。
B2 noun /kənˈtroʊlər/

controller

コントローラー
Meaning
a person or device that manages, directs, or regulates something
Example
The game controller made it easy to play the video game.
ゲームコントローラーはビデオゲームを簡単にプレイできるようにしました。
A2 adverb /kəˈrɛktli/

correctly

正しく
Meaning
in a way that is true, accurate, or without mistakes
Example
She answered all the questions correctly.
彼女はすべての質問に正しく答えました。
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。
C1 verb /kəmˈpjuːt/

compute

計算する
Meaning
To calculate or determine by using a computer or mathematical methods.
Example
The software can compute the total cost in seconds.
そのソフトウェアは数秒で総コストを計算できます。
C1 noun /ˈkæn.ə.pi/

canopy

森の上層部、木々の冠によって形成される; 上部の覆い
Meaning
The upper layer of a forest formed by the crowns of trees; overhead cover.
Example
The rainforest canopy provides shelter to many birds and insects.
熱帯雨林のキャノピーは多くの鳥や昆虫に避難場所を提供します。
B1 noun /kraʊn/

Crown

王冠
Meaning
a circular ornamental headdress worn by a monarch as a symbol of authority
Example
The queen wore a magnificent crown during the coronation ceremony.
女王は戴冠式の際に素晴らしい王冠をかぶっていました。
C2 noun /ˈsɪniæst/

cineast

映画愛好家
Meaning
A film enthusiast or filmmaker; a person deeply interested in cinema.
Example
As a true cineast, she spends most weekends watching classic films.
真のシネアストとして、彼女はほとんどの週末をクラシック映画を観ることに費やします。
B1 noun /ˈsɜːrkəmstæns/

circumstance

状況
Meaning
a fact or condition connected with an event or action
Example
She handled the difficult circumstances bravely.
彼女は困難な状況に勇敢に対処しました。
B2 noun kəˌlæbəˈreɪʃən

collaboration

協力
Meaning
The action of working with someone to produce or create something
Example
International collaboration is necessary to fight pollution.
国際的な協力は汚染と戦うために必要です。
B2 noun /ˈkɑn.trəˌvɜr.si/

Controversy

論争; 意見の対立
Meaning
prolonged public disagreement or heated discussion; a dispute or argument involving opposing viewpoints
Example
The new policy sparked a major controversy among the citizens.
新しい政策は市民の間で大きな論争を引き起こしました。
C1 noun /kənˈtɛnʃən/

contention

争い, 意見の相違
Meaning
heated disagreement or argument; a point asserted in debate
Example
The main contention between the two parties was over tax reform.
二つの党派間での主要な争いは税制改革に関するものでした。
C1 noun /kəmˈpəʊ.ʒər/

composure

冷静と自己管理の状態
Meaning
The state or feeling of being calm and in control of oneself.
Example
She maintained her composure during the interview.
彼女はインタビュー中に冷静さを保ちました。
C1 adjective /kənˈtɪn.ju.əl/

Continual

継続的な; 絶え間ない
Meaning
happening repeatedly over a long period of time; constant and uninterrupted
Example
The continual noise from the construction site was very annoying.
建設現場からの継続的な音は非常に迷惑でした。
A2 noun /ˈkær.ɪk.tər/

Character

キャラクター; 性格; 特徴;
Meaning
the mental and moral qualities distinctive to an individual; a person in a novel, play, or film
Example
She showed great character by helping others during the crisis.
彼女は危機の間に他の人々を助けることで偉大なキャラクターを示しました。
B1 verb /krɔːl/

crawl

這う
Meaning
to move slowly on hands and knees; to move very slowly
Example
The baby crawled across the floor to reach the toy.
赤ちゃんはおもちゃを取るために床をハイハイしていました。
C1 verb /kraʊtʃ/

crouch

Meaning
to bend your knees and lower your body close to the ground
Example
The cat crouched before leaping at its prey.
B1 noun/verb /ˈkɒmplɪmənt/

compliment

賛辞
Meaning
a polite expression of praise or admiration; to politely praise someone
Example
She complimented him on his excellent presentation.
彼女は彼の素晴らしいプレゼンテーションを褒めました。
A2 noun /ˈkrɪk.ɪt/

Cricket

コオロギ
Meaning
a jumping insect that makes a chirping sound by rubbing its wings together
Example
We could hear crickets chirping in the evening.
私たちは夕方にコオロギの鳴き声を聞くことができました。
C2 verb /koʊˈæɡjəˌleɪt/

coagulate

凝固
Meaning
to cause a liquid, especially blood, to change into a solid or semi-solid state
Example
The blood quickly coagulated after the cut.
切り傷の後、血液はすぐに凝固しました。
B1 noun /ˈsɪtɪzənʃɪp/

citizenship

市民権
Meaning
the status of being a recognized member of a state or country, with rights and duties
Example
He applied for American citizenship after living there for ten years.
彼はアメリカに10年間住んだ後、アメリカ市民権を申請しました。
B2 verb /kənˈtɛnd/

contend

争う、主張する
Meaning
to strive or compete for something; to assert earnestly
Example
Athletes from around the world contend for the championship.
世界中のアスリートがチャンピオンシップを争っています。
C2 adjective /ˈkɒŋɡruənt/

congruent

合同
Meaning
in agreement or harmony; having the same shape and size in geometry
Example
Their values are congruent with the goals of the organization.
彼らの価値観は組織の目標と一致しています。
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 noun /sɛl/

cell

細胞 / セル
Meaning
a small basic unit of life; or a small enclosed space like a prison room
Example
The prisoner was locked in a small cell.
囚人は小さなセルに閉じ込められた。
C1 noun /ˌkɒŋɡrɪˈɡeɪʃən/

congregation

集会
Meaning
a group of people assembled for religious worship or a common purpose
Example
The congregation gathered to hear the sermon.
集会は説教を聞くために集まりました。
C1 adjective /kənˈkluː.sɪv/

Conclusive

決定的な; 最終的な; 問題を完全に解決する
Meaning
final; decisive; settling a matter completely
Example
The evidence was conclusive and left no room for doubt.
その証拠は決定的であり、疑う余地を残さなかった。
C2 adjective /tʃəˈruːbɪk/

cherubic

天使のような
Meaning
Innocent, sweet, and angelic, like a cherub.
Example
The baby had a cherubic smile that melted everyone’s heart.
その赤ちゃんは、みんなの心を溶かす天使のような笑顔をしていた。
B1 verb /ˈkɒnsəntreɪt/

concentrate

集中する
Meaning
to focus all one's attention or mental effort on a particular object or activity
Example
She tried to concentrate on her studies despite the noise.
騒音にもかかわらず、彼女は勉強に集中しようとした。
A2 verb /ˈtʃeɪndʒɪŋ/

changing

変化
Meaning
The act of becoming different; ongoing process of change.
Example
The weather is changing rapidly.
天気は急速に変化しています。
C2 adjective /kəmˈbʌstɪbəl/

combustible

可燃性の
Meaning
Capable of catching fire and burning easily.
Example
Dry leaves are highly combustible.
乾燥した葉は非常に可燃性があります。
B2 adjective /ˈkʌltʃəd/

cultured

教養のある
Meaning
characterized by refined taste, manners, and education
Example
She is a cultured woman who loves art and literature.
彼女は芸術と文学を愛する教養のある女性です。
C1 noun /krɪˈden.ʃəl/

credential

資格証明書
Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
彼女は新しい仕事を始める前に資格証明書を提示しました。
C1 noun /krʌtʃ/

crutch

松葉杖, 支え
Meaning
a support used by someone injured to walk; also something relied upon for support or help
Example
He had to use crutches after breaking his leg.
彼は足を骨折した後、松葉杖を使わなければならなかった。
C2 adjective /ˌkrɪp.təˈɡræf.ɪk/

cryptographic

暗号学的
Meaning
Relating to cryptography; involving or using secret codes or ciphers for security.
Example
Banks use cryptographic technology to protect transactions.
銀行は取引を保護するために暗号技術を使用します。
B1 adverb /ˈkɑːm.li/

Calmly

落ち着いて
Meaning
in a peaceful way without showing strong emotions; quietly and without excitement
Example
She spoke calmly despite being angry.
彼女は怒っているにもかかわらず落ち着いて話しました。
B2 noun /ˈkʌmbæk/

comeback

カムバック
Meaning
A return to a former status or success after a period of decline.
Example
The singer made a remarkable comeback after years of silence.
歌手は何年もの沈黙の後、見事なカムバックを果たした。
B2 verb /tʃænt/

chant

唱える
Meaning
to sing or recite in a rhythmic way
Example
The monks chant prayers in the temple.
僧侶たちは寺で祈りを唱える。
B2 preposition /kənˈsɜːnɪŋ/

concerning

関する
Meaning
about or relating to something; causing worry or anxiety
Example
There are some reports concerning the new project.
新しいプロジェクトに関する報告があります。
C1 noun ˌkɒn.ʃiˈen.ʃəs.nəs

conscientiousness

誠実さ
Meaning
The quality of wishing to do one's work or duty well and thoroughly; diligence.
Example
Her conscientiousness in work led to a well-organized project.
彼女の誠実さが仕事を整理されたプロジェクトへと導いた。
B2 noun /kɔːrd/

cord

ひも
Meaning
a long, thin, flexible string or rope
Example
He tied the package with a strong cord.
彼は強いひもで荷物を結びました。
B2 noun /ˈklʌstər/

cluster

クラスター
Meaning
a group of similar things or people positioned close together
Example
The grapes grew in a tight cluster.
ぶどうは密なクラスターで成長した。
B1 adjective /ˈklæsɪk/

classic

クラシック, 優れた
Meaning
Judged over a period of time to be of the highest quality and outstanding of its kind.
Example
That movie is a classic example of 90s comedy.
その映画は90年代のコメディのクラシックな例です。
C1 noun kəˈmjuːnɪti ˈsɜːrvɪs aɪˈdiːəlz

community service ideals

コミュニティサービスの理想
Meaning
Principles and standards of serving the community for social good.
Example
Community service ideals must be taught in schools.
コミュニティサービスの理想は学校で教えられるべきです。
B2 adverb /ˈtʃiːfli/

chiefly

主に
Meaning
mainly; primarily
Example
The festival is celebrated chiefly by young people.
その祭りは主に若者たちによって祝われます。
C1 noun /ˈkoʊhɔːrts/

cohorts

コホート
Meaning
Groups of people who share a common feature or experience.
Example
Researchers compared the health outcomes of different cohorts.
研究者たちは異なるコホートの健康結果を比較しました。
C1 adjective /kənˈsɛntrɪk/

concentric

同心円の
Meaning
having a common center, as in circles or spheres
Example
The artist drew concentric circles on the canvas.
アーティストはキャンバスに同心円を描きました。
C1 noun kəˈrəʊ.ʒən

corrosion

腐食
Meaning
The gradual destruction of materials by chemical or electrochemical reaction, especially of metals by oxidation.
Example
Corrosion in pipes leads to leakage.
パイプ内の腐食は漏れの原因となります。
C2 noun /ˌkælɪsˈθɛnɪks/

calisthenics

自重トレーニング
Meaning
exercises that use body weight for strength and flexibility
Example
She practices calisthenics every morning in the park.
彼女は毎朝公園でカリステニクスを練習しています。
B1 noun /ˌkæl.kjəˈleɪ.ʃən/

Calculation

計算
Meaning
a mathematical determination of the size or number of something
Example
His calculation of the total cost was accurate to the penny.
彼の総費用の計算はペニー単位まで正確でした。
C1 verb ˌkəʊ.əˈles

coalesce

統合する
Meaning
Come together and form one mass or whole; unite to form one organization or group.
Example
The different theories coalesced into one unified idea.
異なる理論が一つの統一されたアイデアに統合されました。
B2 verb /kəmˈpoʊz/

compose

作曲する
Meaning
to create music or writing; to make up; to calm oneself
Example
She composes beautiful songs.
彼女は美しい歌を作曲します。
B2 noun /kəmˈplek.ʃən/

Complexion

肌の色
Meaning
the natural color, texture, and appearance of a person's skin, especially on the face
Example
Her fair complexion glowed beautifully in the morning sunlight.
彼女の明るい肌は朝の光の中で美しく輝いていました。
B2 noun, verb /kjuːb/

cube

立方体
Meaning
As a noun: a solid object with six equal square faces. As a verb: to cut food into small square pieces.
Example
She put a sugar cube in her tea.
彼女はお茶に砂糖のキューブを入れました。
B2 noun /klɔː/

Claw

Meaning
sharp curved nail on the foot of an animal or bird
Example
The cat extended its sharp claws to climb the tree.
猫は木に登るために鋭い爪を伸ばした。
B2 verb /kloʊð/

clothe

服を着せる
Meaning
to put clothes on; to dress; to provide with clothing
Example
She clothed the baby in warm garments.
彼女は赤ちゃんを暖かい服で着せました。
C1 noun ˈklaɪmət ˌrɛɡjʊˈleɪʃən

climate regulation

気候調整
Meaning
The moderation of climate conditions through natural or artificial processes.
Example
Forests help in climate regulation by stabilizing local temperatures.
森林は地域の温度を安定させることで気候調整に役立ちます。
C2 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

キューベブペッパー
Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
キューベブペッパーは伝統的なインドネシア料理に使用されます。
C2 verb /ˈkɒndʒʊɡeɪt/

conjugate

活用する
Meaning
to list the different forms of a verb according to tense, person, and number
Example
Students are asked to conjugate the verb 'to be'.
学生は「to be」動詞を活用するよう求められます。
B1 verb kleɪmz

claims

命を奪う
Meaning
To take someone's life, to cause death
Example
Workplace pollution claims thousands of lives annually.
職場の汚染は毎年何千もの命を奪います。
B1 noun /ˈkʌntrisaɪd/

countryside

田舎
Meaning
land outside cities and towns; rural areas with farms, fields, and villages
Example
She enjoys the peace and beauty of the countryside.
彼女は田舎の静けさと美しさを楽しんでいる。
C2 verb /kruːn/

croon

優しく低く穏やかな声で歌うまたは歌うこと
Meaning
to sing or hum in a soft, low, and gentle voice
Example
She crooned a lullaby to help the baby fall asleep.
彼女は赤ちゃんを寝かしつけるために子守唄を歌った。
C2 verb /kənˈvʌls/

convulse

激しく震える; 突然の不随意な収縮に苦しむ
Meaning
to shake violently; to suffer sudden involuntary contractions
Example
The patient convulsed during the seizure.
患者は発作中に震えました。
B2 noun /kəˈroʊnə/

corona

王冠または王冠のような構造; また、太陽の外層大気を指すこともあります
Meaning
a crown or crown-like structure; also refers to the outer atmosphere of the sun
Example
The sun's corona was visible during the total solar eclipse.
太陽のコロナは皆既日食中に見ることができました。
A1 noun /tʃiːz/

Cheese

チーズ
Meaning
a food made from the pressed curds of milk; used for photography to make people smile
Example
She added grated cheese to the pasta for extra flavor.
彼女はパスタに追加の風味を加えるために細かくおろしたチーズを加えました。
B1 adjective /kənˈviː.ni.ənt/

Convenient

便利な;使いやすい;実用的な;
Meaning
fitting in well with a person's needs, activities, and plans; suitable and practical
Example
The new shopping mall is very convenient for our family.
新しいショッピングモールは私たちの家族にとってとても便利です。
A2 noun /ˈkær.ət/

Carrot

ニンジン
Meaning
a long pointed orange root vegetable that grows underground
Example
Carrots are rich in vitamin A.
ニンジンはビタミンAが豊富です。
B2 noun /ˈkʊriər/

courier

宅配便
Meaning
a person or company that delivers messages, packages, or mail
Example
The courier delivered the documents on time.
クーリエは時間通りに書類を配達しました。