cluster
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
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。
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。
B1 noun /kəmˈpænjən/

companion

仲間
Meaning
a person or animal you spend time with or travel with
Example
He was my companion during the long journey.
彼は長い旅の間、私の仲間でした。
C2 noun /kəmˈpleɪsəns/

complacence

Meaning
a feeling of quiet pleasure or self-satisfaction, often without awareness of potential danger
Example
His complacence prevented him from noticing the risks.
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。
B2 verb/noun /ˈsɛnsər/

censor

検閲
Meaning
to suppress or remove parts of books, films, or information considered offensive or harmful; a person who does this
Example
The government tried to censor the controversial film.
政府はその物議を醸す映画を検閲しようとしました。
B1 adjective /ˈkeɪ.pə.bəl/

Capable

有能な; 能力のある
Meaning
having the ability, fitness, or quality necessary to do or achieve something; competent
Example
She is capable of handling complex problems.
彼女は複雑な問題を扱う能力があります。
A2 verb /kənˈtɪnjuː/

continue

続ける
Meaning
To keep happening, existing, or doing something without stopping.
Example
The rain will continue throughout the night.
雨は一晩中続きます。
C1 adjective /klaɪˈmæktɪk/

climactic

クライマティック
Meaning
Relating to the most exciting or important moment of something.
Example
The film ended with a climactic battle scene.
映画はクライマティックな戦闘シーンで終わった。
C2 noun /kənˈtɔːrʃən/

contortion

ねじれたまたは曲がった形; 通常の形から外れてねじる行為
Meaning
a twisted or bent shape; the act of twisting out of the normal shape
Example
The gymnast's contortion amazed the audience.
体操選手のコンターションは観客を驚かせました。
B1 noun /ˈkrɪtɪˌsɪzəm/

criticism

批判
Meaning
The expression of disapproval or judgment of the merits of something
Example
The new policy has faced a lot of criticism from the public.
新しい政策は、一般の人々から多くの批判を受けました。
B2 adverb /ˈkæʒ.u.ə.li/

Casually

カジュアルに; リラックスして非公式に
Meaning
in a relaxed and informal way; without much thought or preparation
Example
He casually mentioned that he was leaving.
彼はカジュアルに出発することを言った。
C2 noun /ˌkæv.əlˈkeɪd/

cavalcade

行列
Meaning
a formal procession of people riding on horses or in vehicles
Example
The king’s arrival was marked by a grand cavalcade.
王の到着は壮大な行列で印象付けられた。
C1 adjective ˈkʌm.bə.səm

cumbersome

重い、扱いにくい、運ぶのが難しい
Meaning
Heavy, unwieldy, difficult to handle or carry.
Example
The cumbersome luggage slowed him down.
重い荷物が彼を遅くした。
A2 noun /ˈkæs.əl/

Castle

城; 宮殿;
Meaning
a large fortified building or set of buildings; a fortress
Example
The medieval castle stood majestically on top of the hill.
中世の城は丘の頂上に堂々と立っていました。
C2 noun/verb /ˈkɜːrtsi/

curtsy

お辞儀
Meaning
a respectful bow made by women by bending the knees with one foot in front of the other
Example
She gave a quick curtsy before leaving the stage.
彼女はステージを去る前に素早いカートシーをしました。
C1 noun /ˈkɒl.ə.bəʊn/

Collar-bone

鎖骨
Meaning
either of the pair of bones joining the breastbone to the shoulder blades; clavicle
Example
He broke his collar-bone in the accident.
事故で鎖骨を骨折しました。
C1 noun /kənˈstɪtʃuənsi/

constituency

選挙区
Meaning
A geographical area whose residents elect a representative to a legislative body.
Example
She campaigned tirelessly across her constituency.
彼女は選挙区で疲れ知らずに選挙運動を行いました。
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。
B2 adjective /ˈkɑːmjənl/

communal

共同の
Meaning
Shared by all members of a community; for common use.
Example
The villagers worked together in the communal garden.
村人たちは共同の庭で一緒に働いた。
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 /kænt/

cant

偽善的な言葉
Meaning
Hypocritical and insincere talk, especially about moral or religious principles.
Example
The politician's speech was filled with cant about honesty and integrity.
その政治家の演説は、誠実さと誠実性についての偽善的な言葉で満ちていた。
C1 adjective/noun /ˈkɜːrsɪv/

cursive

カースィブ書き
Meaning
Written with characters joined together in a flowing manner.
Example
The teacher asked students to write the essay in cursive handwriting.
先生は生徒にカースィブ書きでエッセイを書くように言いました。
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 adjective kəˈmɜː.ʃəl

commercial

商業的
Meaning
Concerned with or engaged in commerce; having profit as a primary aim rather than artistic or other value.
Example
Commercial hubs attract investments.
商業の中心は投資を引き付けます。
C1 adjective ˌkɑːr.sɪ.nəˈdʒen.ɪk

carcinogenic

発癌性の
Meaning
Having the potential to cause cancer in living tissue.
Example
Processed meat contains carcinogenic compounds.
加工肉には発癌性の化合物が含まれています。
B1 verb /kənˈsɪst/

consist

構成する
Meaning
to be made up or composed of certain parts or elements
Example
The committee consists of five members.
委員会は五人のメンバーで構成されています。
C1 adjective /kənˈɡrɛʃənl/

congressional

議会の
Meaning
relating to a congress, especially the US Congress
Example
The bill received strong congressional support.
その法案は強力な議会の支持を得た。
B2 verb /kɑːrv/

carve

Meaning
To cut or shape something, especially wood or stone, into a desired form.
Example
The artist carved a beautiful statue out of marble.
C1 adjective /kənˈtɛmptəbl/

contemptible

軽蔑すべき, 嫌悪すべき
Meaning
deserving of contempt; despicable
Example
His deceitful actions were truly contemptible.
彼の欺瞞的な行動は本当に軽蔑すべきものでした。
B2 verb /kəˈmɛnd/

commend

称賛する
Meaning
to praise formally or officially
Example
The teacher commended the students for their hard work.
先生は生徒たちの努力を称賛しました。
C1 verb /tʃɑːr/

char

焦げる
Meaning
To burn or scorch something so that it becomes blackened.
Example
The cook accidentally charred the steak.
シェフはステーキを焼きすぎてしまった。
B1 noun /ˈsiːlɪŋ/

ceiling

天井
Meaning
the upper interior surface of a room
Example
The ceiling of the hall was painted beautifully.
ホールの天井は美しく塗られていました。
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 verb /kənˈdʒɛst/

congest

混雑
Meaning
To block or overcrowd a space, making movement or flow difficult.
Example
Heavy traffic can congest the city streets during rush hour.
渋滞はラッシュアワーに都市の通りを混雑させることができます。
C1 noun /ˈkrɒkəri/

crockery

食器
Meaning
Dishes, plates, cups, and other items made of earthenware or china.
Example
The hotel provided clean crockery for the guests.
ホテルはゲストに清潔な食器を提供しました。
B2 adjective /ˌkɒn.fɪˈden.ʃəl/

Confidential

機密; 私的; 秘密として保持することを意図する
Meaning
secret; private; intended to be kept secret
Example
Please keep this information confidential.
この情報は機密として取り扱ってください。
B2 noun /ˈkɒl.ər/

Collar

カラー
Meaning
a band of material around the neck; in jewelry context, a close-fitting necklace
Example
She wore an elegant pearl collar to the formal dinner.
彼女は正式なディナーでエレガントな真珠のカラーを着けていた。
C1 noun /ˈkɒb.lər/

Cobbler

靴屋
Meaning
a person who repairs shoes and other leather goods
Example
The cobbler fixed my broken shoes perfectly.
靴屋は私の壊れた靴を完璧に修理しました。
B1 noun /kənˈviː.ni.əns/

Convenience

便利
Meaning
the state of being able to proceed with something without difficulty; a thing that contributes to an easy way of life
Example
The convenience of online shopping has changed how people buy products.
オンラインショッピングの便利さは、製品を購入する方法を変えました。
B1 noun /ˈtʃæptər/

chapter

章
Meaning
A main division of a book or a period in someone's life.
Example
I just finished the first chapter of the novel.
私は小説の最初の章を終えたばかりです。
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

サーカディアンリズム
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
自然光への暴露はサーカディアンリズムを調整します。
B2 adjective /ˈtʃaɪld.laɪk/

Childlike

子供のような; 無邪気で信頼しやすい; 純粋でシンプル
Meaning
innocent and trusting like a child; having the good qualities of a child; pure and simple
Example
She maintained a childlike wonder about the world around her.
彼女は周りの世界について子供のような驚きを保っていました。
B2 adjective /ˈtʃær.ɪ.tə.bəl/

Charitable

慈善的; 寛大; 優しい
Meaning
generous in giving to those in need; showing kindness
Example
She is known for her charitable work in the community.
彼女は地域社会での慈善活動で知られています。
A1 verb /kɔːl/

call

呼び出す
Meaning
to say something loudly; to telephone someone; to name
Example
Please call me when you arrive home.
家に着いたら、私に電話してください。
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。
C2 verb /kəˈdʒoʊl/

cajole

おだてる
Meaning
To persuade someone to do something by flattery or gentle urging.
Example
She managed to cajole her friend into joining the trip.
彼女は友達を旅行に参加させることに成功した。
C2 noun /kəˈlɒsəti/

callosity

硬い皮膚
Meaning
A thickened or hardened area of skin; insensitivity or hardness of character.
Example
Years of manual labor left callosity on his hands.
何年もの肉体労働が彼の手に硬い皮膚を残した。
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。
C2 noun /ˈkriːməri/

creamery

クリーム製造所
Meaning
a place where milk and cream are processed and dairy products are made
Example
The local creamery produces fresh butter and cheese daily.
地元のクリーム製造所は毎日新鮮なバターとチーズを作っています。
C1 adjective /kənˈtraɪvd/

contrived

人工的または強制的; 自然でないまたは自発的でない
Meaning
artificial or forced; not natural or spontaneous
Example
The ending of the movie felt contrived and unrealistic.
映画の結末は作り物で非現実的に感じました。
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。
C2 adjective /kəmˈpleɪzənt/

complaisant

過度に従順
Meaning
willing to please others or to accept what they do or say without protest
Example
He was too complaisant to refuse their demands.
彼は彼らの要求を断るにはあまりにも従順すぎた。
C2 adjective /ˈkɒr.ə.ɡeɪ.tɪd/

corrugated

波形または折りたたまれた
Meaning
shaped into ridges and grooves; wrinkled or folded
Example
The roof was made of corrugated metal sheets.
屋根は波形の金属板で作られていました。
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。
C1 adjective /kəˈlæpsəbl̩/

collapsible

折りたたみ式
Meaning
able to be folded down or reduced in size
Example
She bought a collapsible chair for camping.
彼女はキャンプ用に折りたたみ式の椅子を買いました。
C1 verb /kəˈmɛmɔˌreɪt/

commemorate

記念する
Meaning
To honor and remember someone or something through a ceremony or action.
Example
The statue was built to commemorate the fallen heroes.
その像は、倒れた英雄たちを記念して作られました。
B2 adjective /ˈkɒmɪkəl/

comical

滑稽な
Meaning
Funny in a strange or silly way; amusing.
Example
His comical expressions made everyone laugh.
彼の滑稽な表情は皆を笑わせました。
C1 noun ˌkæp.ɪ.təl.aɪˈzeɪ.ʃən

capitalization

資本化
Meaning
The total market value of a company's shares or the provision of capital for a company or activity.
Example
The company's capitalization reached $1 billion in market value.
その会社の資本化は市場価値で10億ドルに達しました。
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。
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。
B2 adverb /ˈkɒnsɪkwəntli/

consequently

その結果
Meaning
as a result; therefore
Example
He didn’t study, and consequently he failed the exam.
彼は勉強しなかったので、その結果試験に落ちた。
B1 noun /koʊm/

Comb

櫛
Meaning
a toothed device for arranging or cleaning the hair
Example
She used a comb to style her hair before the party.
彼女はパーティーの前に髪を整えるために櫛を使いました。
B1 noun /ˌsiːiːˈoʊ/

ceo

最高経営責任者
Meaning
The highest-ranking person in a company, responsible for overall management.
Example
The CEO announced a new strategy for the company.
CEOは会社の新しい戦略を発表しました。
B1 adjective /kənˈsɪdərəbl/

considerable

かなりの
Meaning
large in amount, size, or importance
Example
The project required a considerable amount of time and money.
そのプロジェクトはかなりの時間とお金を必要としました。
B1 noun /krɒp/

crop

作物
Meaning
plants that are grown and harvested for food or other use
Example
The farmers harvested their rice crop in autumn.
農家は秋に稲作の作物を収穫しました。
A2 noun, adjective /ˈkrɪstʃən/

christian

クリスチャン
Meaning
a person who follows the religion based on the teachings of Jesus Christ
Example
She is a devoted Christian who attends church every Sunday.
彼女は毎週日曜日に教会に行く献身的なクリスチャンです。
C1 noun /ˌklɔːstrəˈfəʊbiə/

claustrophobia

Meaning
an extreme or irrational fear of being in confined spaces
Example
He avoids elevators because of his claustrophobia.
C2 noun /ˈkætɪtʃuː/

Catechu

カテチュー
Meaning
an extract from a tropical Asian plant, used in tanning and dyeing
Example
Catechu extract is commonly used in traditional medicine.
カテチュー抽出物は伝統医学で一般的に使用されます。
B2 verb /kənˈsoʊl/

console

慰める
Meaning
to comfort someone who is sad or disappointed; to provide solace
Example
She tried to console her friend after the loss.
彼女は失った後、友達を慰めようとしました。
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。
B2 verb /ˈsɜːrkjəˌleɪt/

circulate

循環する, 動く
Meaning
to move continuously or freely through a closed system or area
Example
Air circulated freely in the open hall.
空気は開かれたホールで自由に循環していました。
C1 noun /ˈʃæsi/

chassis

車両のシャーシ
Meaning
the base frame of a vehicle or other wheeled machine
Example
The mechanic examined the car's chassis for damage.
整備士は車のシャーシに損傷がないか確認しました。
B2 noun /kəˈmɒ.dɪ.tiz/

commodities

商品
Meaning
Raw materials or primary agricultural products that can be bought and sold.
Example
The prices of commodities like oil and gold fluctuate frequently.
石油や金のような商品価格は頻繁に変動します。
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。
C2 noun /ˈsɛʃən/

cession

権利や財産の譲渡
Meaning
The formal giving up of rights, property, or territory, especially by a state.
Example
The treaty resulted in the cession of land to the neighboring country.
条約の結果、土地は隣国に譲渡されました。
B2 noun ˌkɒm.prɪˈhɛn.ʃən

comprehension

理解
Meaning
The ability to understand something; understanding or grasp of knowledge.
Example
Reading improves vocabulary and comprehension skills.
読書は語彙力と理解力を向上させます。
A1 noun /ker/

Care

ケア; 保護; 配慮
Meaning
the provision of what is necessary for health, welfare, or protection
Example
The nurse provided excellent care for the elderly patients.
看護師は高齢の患者に優れたケアを提供しました。
C2 noun /ˈkɒn.tjʊ.mə.li/

contumely

侮辱, 軽蔑
Meaning
insulting or humiliating treatment
Example
He endured the contumely of his colleagues with patience.
彼は同僚の軽蔑を忍耐強く耐えました。
B1 noun /ˈkɒnflɪkt/

conflict

対立
Meaning
A serious disagreement or argument, often a prolonged one.
Example
The two countries are trying to resolve the conflict through negotiations.
二国は交渉を通じて対立を解決しようとしています。
A2 noun /ˈkɒmədi/

comedy

コメディ
Meaning
A type of entertainment that is intended to make people laugh.
Example
We watched a hilarious comedy at the theater.
私たちは劇場で面白いコメディを見ました。
A1 verb, noun /tʃɛk/

check

チェック
Meaning
To examine, inspect, or verify something; also a written order to a bank to pay money.
Example
Please check the report before submitting it.
レポートを提出する前にチェックしてください。
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。
B1 noun, verb /ˈkrɛdɪt/

credit

Meaning
As a noun: the ability to obtain goods or services before payment; recognition for an achievement. As a verb: to publicly acknowledge someone's contribution.
Example
She received credit for her contribution to the project.
A2 adjective, noun /ˈkloʊsər/

closer

もっと近く, 終了者
Meaning
more near in distance or relationship; someone or something that concludes an activity
Example
She moved closer to the window.
彼女は窓にもっと近づきました。
C2 noun /ˈkæθoʊd/

cathode

陰極
Meaning
The negative electrode in a device such as a battery or tube, where electrons enter.
Example
The cathode emits electrons in the tube.
カソードはチューブ内で電子を放出します。
C2 noun /ˈkɒn.tjʊ.mə.si/

contumacy

反抗, 頑固
Meaning
stubborn refusal to obey authority
Example
His contumacy led to his suspension from the council.
彼の反抗は、彼が評議会から停職された原因となった。
C1 noun /ˈkæzəm/

chasm

裂け目 / 大きな違い
Meaning
a deep fissure in the earth's surface or a wide difference between people or ideas
Example
There was a great chasm between the two political parties.
二つの政治的党派の間には大きな裂け目がありました。
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 /kloʊðz ˈaɪərn/

Clothes iron

アイロン
Meaning
An electric appliance used to remove wrinkles from clothes by applying heat and pressure
Example
I need to use the clothes iron to make my shirt look neat for the meeting.
私は会議のためにシャツをきれいに見せるためにアイロンを使う必要があります。
A1 modal verb /kʊd/

could

できた
Meaning
Used to indicate possibility, ability, or permission in the past or as a polite suggestion.
Example
He could swim when he was a child.
彼は子供の頃泳げた。
C1 adverb kəmˈpæktli

compactly

コンパクトに
Meaning
In a closely packed or dense manner.
Example
Protons and neutrons are compactly arranged.
陽子と中性子はコンパクトに配置されています。
B2 noun /ˈkloʊʒər/

closure

閉鎖
Meaning
the action or process of closing something, or the sense of finality or resolution.
Example
The closure of the company left many employees without jobs.
会社の閉鎖により、多くの従業員が職を失いました。
C2 noun /kəˈdɛnzə/

cadenza

精緻なソロパッセージ
Meaning
An elaborate solo passage in a piece of music, usually near the end.
Example
The pianist performed a brilliant cadenza before the final movement.
ピアニストは最後の楽章の前に素晴らしいカデンツァを演奏しました。
C2 noun /ˈkeɪ.nə.naɪt/

canaanite

カナン人
Meaning
a member of a people who lived in the ancient land of Canaan in the Middle East
Example
The Canaanites were known for their advanced trade networks.
カナアン人は先進的な貿易ネットワークで知られていました。
C2 noun /kəˈdʒoʊləri/

cajolery

お世辞
Meaning
Flattering or coaxing talk intended to persuade someone.
Example
Through cajolery, he convinced his boss to grant him a raise.
お世辞を使って、彼は上司を説得して昇給を勝ち取った。
B1 noun /kəˈnuː/

Canoe

カヌー
Meaning
a narrow boat pointed at both ends and moved with a paddle
Example
They paddled their canoe down the peaceful stream.
彼らは穏やかな小川をカヌーで漕いだ。
A1 noun /koʊld drɪŋk/

Cold drink

冷たい飲み物
Meaning
A chilled beverage; a refreshing drink served cold
Example
I ordered a cold drink to beat the summer heat.
夏の暑さを乗り切るために冷たい飲み物を注文しました。
C2 adjective /tʃeɪst/

Chaste

清純; 徳
Meaning
pure and morally good; abstaining from sexual activity
Example
She lived a chaste and virtuous life.
彼女は清純で徳のある生活をしました。
A2 noun /kɑːrˈtuːn/

cartoon

アニメーション
Meaning
a humorous or animated drawing, especially one in newspapers or television
Example
Children love watching cartoons on TV.
子供たちはテレビでアニメを見るのが大好きです。
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。
B1 noun /ˌkjʊr.iˈɑs.ɪ.ti/

Curiosity

好奇心; 異常または興味深い物事
Meaning
a strong desire to know or learn something; an unusual or interesting object or fact
Example
Her curiosity about different cultures led her to travel around the world.
彼女の異文化への好奇心は、彼女を世界中に旅行させました。
C2 noun /ˈkærɪlɒn/

carillon

カリヨン
Meaning
A set of bells played using a keyboard, usually in a tower.
Example
The carillon bells rang across the town square.
カリヨンの鐘の音が町の広場に響き渡った。
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。
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。
B2 noun /ˈsaɪkloʊn/

cyclone

サイクロン
Meaning
a large-scale air mass that rotates around a strong center of low atmospheric pressure; a violent tropical storm
Example
The cyclone caused severe flooding along the coast.
サイクロンは沿岸地域に深刻な洪水を引き起こした。
A2 verb /tʃɑːrdʒ/

charge

請求する/告発する
Meaning
to demand payment; to formally accuse; to rush forward aggressively
Example
The store charges extra for home delivery.
その店はホームデリバリーに追加料金を課します。
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 /kʌˈstoʊ.di.ən/

Custodian

守衛; 管理人; 監督者
Meaning
a person who has responsibility for or looks after something; a caretaker or guardian
Example
The school custodian ensures that all buildings are clean and secure.
学校の管理人はすべての建物が清潔で安全であることを確認します。
A1 noun /tʃeər/

Chair

椅子
Meaning
a separate seat for one person, typically with a back and four legs
Example
Please sit on the chair.
椅子に座ってください。
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。
A2 noun /ˈsɛlˌfoʊn/

cellphone

携帯電話
Meaning
a portable telephone that uses a cellular network for wireless communication
Example
She forgot her cellphone at home and couldn’t call anyone.
彼女は家に携帯電話を忘れて、誰にも電話できなかった。
C1 adjective /ˈkoʊpiəs/

copious

豊富
Meaning
abundant in supply or quantity
Example
She took copious notes during the lecture.
彼女は講義中に豊富なノートを取った。
C2 noun /ˈkæriən/

carrion

死骸
Meaning
the decaying flesh of dead animals
Example
Vultures feed on carrion left in the fields.
ハゲワシは野原に残された死骸を食べる。
C2 noun /kæd/

Cad

悪党; 粗野な
Meaning
a man who behaves dishonorably, especially toward women
Example
Everyone at the party avoided him because he was known to be a cad.
パーティーの皆は彼を避けました、なぜなら彼が悪党として知られていたからです。
A2 noun /ˈkʌm.fərt/

Comfort

快適さ; 便利さ
Meaning
a state of physical ease and freedom from pain or constraint; relief from distress or anxiety
Example
The soft sofa provided great comfort after a long day at work.
ソフトなソファは長い一日の仕事後に大きな快適さを提供しました。
B2 noun /ˈkɒmpoʊst/

compost

堆肥
Meaning
decayed organic matter used as fertilizer
Example
The gardener added compost to enrich the soil.
庭師は土壌を豊かにするために堆肥を追加しました。
B2 verb /kəmˈpɛl/

compel

強制する
Meaning
To force or drive someone to do something.
Example
The law compels citizens to pay taxes.
法律は市民に税金を支払うことを強制します。
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。
B1 noun /kræb/

Crab

カニ
Meaning
a crustacean with a broad carapace, stalked eyes, and five pairs of legs, the first pair of which are modified as pincers
Example
The crab scuttled sideways across the sand.
カニは砂の上を横向きに這って行った。
C1 noun /ˈkleɪmənt/

claimant

請求者
Meaning
a person who makes a claim, especially in a legal or financial context
Example
The claimant filed for compensation after the accident.
事故後、請求者は補償を申し立てました。