classmate
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A2 noun /ˈklɑːsmeɪt/

classmate

同級生
Meaning
a person who is in the same class or course of study as another
Example
I met one of my old classmates at the university event.
大学のイベントで昔の同級生に会いました。
B1 noun ˈkraɪsɪs

crisis

危機
Meaning
A time of intense difficulty, trouble, or danger.
Example
The financial crisis affected global markets.
金融危機は世界の市場に影響を与えた。
B1 noun /tʃɪl/

Chill

寒さ; 恐れや不安の感情; リラックスする
Meaning
an unpleasant feeling of coldness; a feeling of fear or anxiety; to relax
Example
There was a chill in the air as autumn approached.
秋が近づくにつれて、空気の中に寒さを感じた。
B1 adjective /ˈkʌtɪŋ/

cutting

鋭い
Meaning
sharp or severe, often used to describe remarks or actions
Example
Her cutting remarks made everyone feel uncomfortable.
彼女の鋭いコメントはみんなを不快にさせた。
B1 noun /kluː/

clue

手がかり
Meaning
a piece of evidence or information used in the detection of a crime or solving a puzzle
Example
The detective found a clue near the window.
探偵は窓の近くで手がかりを見つけました。
B2 verb /ˈtʃɛrɪʃ/

cherish

大切にする
Meaning
To hold something dear, to love and protect, or to keep a hope or memory alive.
Example
She cherishes the memories of her childhood home.
彼女は子供の頃の家の思い出を大切にしています。
C2 verb /ˌkaʊntərˈveɪl/

countervail

相殺する
Meaning
to offset or counteract the effect of something
Example
The benefits of the new policy countervail its drawbacks.
新しい政策の利点はその欠点を相殺します。
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。
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。
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

隣接性
Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.
二国間の隣接性が貿易を促進します。
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.
C2 adjective /ˈkræbɪd/

crabbed

読みにくい、機嫌が悪い
Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
彼の手書きは読みにくく、ほとんど判読不能だった。
B1 verb /tʃuː/

chew

幸せ
Meaning
to bite food into smaller pieces with your teeth before swallowing it
Example
You should chew your food properly to help with digestion.
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。
B2 noun /kənˌtɪn.juˈeɪ.ʃən/

continuation

継続
Meaning
the action of carrying something on over time; extension
Example
The continuation of the series was announced after the finale.
シリーズの継続は最終回後に発表されました。
B1 noun ˈtʃɑː.dʒɪŋ

charging

充電
Meaning
The process of supplying electrical energy to recharge a battery or power source.
Example
Electric vehicle charging stations are increasing in cities.
電気自動車の充電ステーションは都市で増えています。
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。
B2 verb /koʊˈɔːrdɪˌneɪt/

coordinate

調整する
Meaning
to organize people or things so that they work together effectively
Example
We need to coordinate our efforts to finish the project on time.
私たちはプロジェクトを時間通りに終わらせるために努力を調整する必要があります。
A1 noun /ˈkʌl.ər/

Colour

色
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？
B2 verb /kənˈtæmɪneɪt/

contaminate

Meaning
To make something impure, dirty, or harmful by contact with a poisonous or polluting substance.
Example
The river was contaminated by industrial waste.
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。
B1 noun /kəˈnæl/

canal

運河
Meaning
an artificial waterway constructed for navigation, irrigation, or drainage
Example
The canal was built to help transport goods across the region.
運河は地域内で物資の輸送を助けるために建設されました。
B1 noun ˈkɒn.fər.əns

conference

会議
Meaning
A formal meeting of people with a shared interest, typically one that takes place over several days.
Example
The climate conference emphasized renewable energy.
気候会議では再生可能エネルギーが強調されました。
B2 adjective /ˈkɜːrtiəs/

courteous

礼儀正しい
Meaning
polite, respectful, or considerate in manner
Example
The staff at the hotel were very courteous to all guests.
ホテルのスタッフはすべてのゲストに非常に礼儀正しく接しました。
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。
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。
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。
C2 noun /ˈsɜːrtɪˌtjuːd/

certitude

確信
Meaning
Absolute certainty or conviction about something.
Example
She spoke with certitude about the outcome of the case.
彼女は事件の結果について確信を持って話しました。
B2 noun /ˈkɑːmpaʊnd/

compound

化合物 / 閉鎖されたエリア
Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
科学者はラボで化学化合物を研究しました。
C2 verb /ˈkɒdʒɪteɪt/

cogitate

熟考する
Meaning
to think deeply about something; to meditate or reflect
Example
He sat by the river to cogitate on his future plans.
彼は川のそばに座って、未来の計画について考えました。
C1 noun kənˈvɜː.dʒəns

convergence

収束
Meaning
The process of coming together from different directions to meet at a common point; unification or integration.
Example
The convergence of technologies is revolutionizing industries.
技術の収束が産業を革命的に変革しています。
C1 verb /ˈkɒnsɪkreɪt/

consecrate

奉献する
Meaning
to make something sacred, usually through a religious ceremony
Example
The church was consecrated by the bishop.
教会は司教によって奉献されました。
A2 adjective /kjuːt/

cute

かわいい
Meaning
attractive in a pretty or endearing way
Example
That puppy is so cute!
その子犬はとてもかわいいです！
B1 noun ˈkɒnsept

concept

概念
Meaning
An abstract idea or general notion
Example
The concept of chasing two rabbits teaches focus.
二匹のウサギを追いかけるという概念は、集中力を教えます。
B2 noun /ˈkɒpə/

copper

銅
Meaning
a reddish-brown metal used for electrical wiring, coins, and more
Example
Copper is a good conductor of electricity.
銅は良い電気導体です。
C2 verb /ˈkævəl/

cavil

無駄な反論をする
Meaning
to make petty or unnecessary objections
Example
She caviled at every detail of the plan.
彼女は計画のすべての詳細について無駄な反論をしていた。
C1 verb /ˈkɒnfɪskeɪt/

confiscate

Meaning
to take something away officially, often as a punishment
Example
The teacher confiscated the student's phone during class.
B2 noun /ˈkæbɪnət/

Cabinet

キャビネット
Meaning
a piece of furniture with doors and shelves used for storage
Example
The kitchen cabinet is full of dishes and utensils.
キッチンキャビネットは皿と器具でいっぱいです。
C1 noun /saɪˈteɪʃən/

citation

引用
Meaning
a quotation from or reference to a book, paper, or author
Example
The research paper included a citation from Shakespeare.
研究論文にはシェイクスピアからの引用が含まれていました。
B2 noun /ˈkɒmjʊnɪst/

communist

Meaning
a person who supports or believes in the principles of communism
Example
The communist ideology aims for a classless society.
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。
C1 verb /ˈkɒŋɡrɪɡeɪt/

congregate

集まる, 集結する
Meaning
to gather together in a group; to assemble
Example
People congregate in the town square every evening.
人々は毎晩町の広場に集まります。
C1 noun /ˈkʌˈs.tə.di/

Custody

監護; 拘留; 保護
Meaning
the protective care or guardianship of someone or something; imprisonment or detention
Example
After the divorce, they shared custody of their children equally.
離婚後、彼らは子供たちの監護権を平等に分けました。
B1 noun /ˈkæmpəs/

campus

キャンパス
Meaning
The grounds and buildings of a university, college, or school.
Example
The university campus is filled with students during the fall semester.
大学のキャンパスは秋学期中に学生でいっぱいです。
A2 noun /kənˌɡrætʃ.əˈleɪ.ʃənz/

Congratulations

おめでとう
Meaning
words expressing praise for an achievement or good wishes on a special occasion
Example
Congratulations on your promotion! You really deserved this success.
昇進おめでとう！本当にこの成功に値するよ。
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。
B2 verb /ˈklærɪfaɪ/

clarify

明確にする
Meaning
to make clear; to explain more clearly
Example
The teacher clarifies the difficult concept.
先生は難しい概念を明確にします。
B2 noun /ˈkaʊntərˌpɑːrt/

counterpart

対等者
Meaning
a person or thing that corresponds to or has the same function as another
Example
The CEO met with his counterpart in the partner company.
CEOはパートナー企業の対等者と会いました。
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

地球を一周する
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
マゼランは最初に地球を一周した人物です。
B2 noun /kənˈkʌʃən/

concussion

脳震盪
Meaning
A temporary unconsciousness or shock caused by a blow to the head.
Example
He suffered a concussion after falling from the bike.
彼は自転車から落ちた後、脳震盪を受けました。
A2 adjective /ˈkɒm.ən/

common

共通
Meaning
occurring frequently or widely; shared by all
Example
It is common to see traffic in the city during rush hour.
ラッシュアワー中に都市で交通渋滞を見るのは一般的です。
B2 adjective /kəmˈpækt/

Compact

コンパクト; 小さくて効率的にデザインされた
Meaning
closely and neatly packed together; small and efficiently designed
Example
She bought a compact car that fits easily in small parking spaces.
彼女は小さな駐車スペースにも簡単に収まるコンパクトカーを買った。
B2 adjective /ˈkeər.friː/

Carefree

心配のない; のんきな;
Meaning
free from anxiety or responsibility; lighthearted; worry-free
Example
She lived a carefree life, traveling the world without any worries.
彼女は心配事のない生活を送り、世界を心配なく旅していた。
C1 noun /ˈkæmi.oʊ/

cameo

カメオ
Meaning
a small but significant role in a play, film, or show, often performed by a well-known person
Example
The actor made a surprise cameo in the movie.
その俳優は映画でサプライズのカメオを果たした。
C1 adjective /ˈkrɛdɪtəbl/

creditable

称賛に値する
Meaning
Deserving praise or acknowledgment, though not necessarily outstanding.
Example
She made a creditable effort in completing the project on time.
彼女は時間通りにプロジェクトを完了するために称賛に値する努力をしました。
A1 verb /kliːn/

clean

掃除する
Meaning
To make something free from dirt, marks, or mess.
Example
She cleaned the kitchen before the guests arrived.
彼女はゲストが到着する前にキッチンを掃除しました。
B2 noun /ˈkʌm.pəs/

Compass

コンパス
Meaning
an instrument for finding direction with a magnetic needle pointing to magnetic north
Example
The hiker used a compass to find the right direction.
ハイカーは正しい方向を見つけるためにコンパスを使った。
C2 noun /ˈsɜːrklət/

circlet

Meaning
A small circular band, typically worn as an ornament on the head.
Example
The princess wore a golden circlet on her forehead.
A2 noun /ˈkændl/

candle

ろうそく
Meaning
a stick of wax with a wick that burns to give light
Example
She lit a candle during the power cut.
停電中に彼女はろうそくを灯しました。
B1 noun /kənˌɡrætʃəˈleɪʃən/

congratulation

祝賀
Meaning
an expression of praise or joy for someone’s achievement or good fortune
Example
She sent a congratulation to her friend on winning the award.
彼女は受賞した友人に祝賀を送った。
B2 noun /ˌkɑː.bəʊˈhaɪ.dreɪts/

carbohydrates

炭水化物
Meaning
Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a primary source of energy for the body.
Example
Whole grains are a great source of healthy carbohydrates.
全粒穀物は健康的なカーボハイドレートの素晴らしい源です。
C1 noun /kənˈsiːt/

conceit

虚栄心
Meaning
excessive pride in oneself; vanity
Example
His conceit made him unpopular among his colleagues.
彼の虚栄心は彼を同僚の中で不人気にした。
C1 noun /ˈkɒləmnɪst/

columnist

コラムニスト
Meaning
a journalist who regularly writes articles or opinions for a newspaper or magazine
Example
The columnist wrote an article about climate change.
コラムニストは気候変動に関する記事を書きました。
A2 noun /ˈsɪnəmə/

cinema

映画館
Meaning
a place where films are shown to the public; the art or industry of making and showing films
Example
We went to the cinema to watch a new movie.
私たちは新しい映画を見るために映画館へ行った。
C1 noun ˈkeɪ.dəns

cadence

話し言葉のリズムとトーンの上下動
Meaning
The rhythm and flow of speech with rise and fall in tone.
Example
His speech had a natural cadence that captivated the audience.
彼のスピーチには自然なケイデンスがあり、観客を魅了しました。
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。
C1 noun /kəˈres/

Caress

愛撫
Meaning
a gentle or loving touch
Example
The mother's gentle caress calmed the crying baby.
母親の優しい愛撫が泣いている赤ちゃんを落ち着かせた。
C1 noun /kənˈsɜːvəˌtɔːri/

conservatory

温室 / 音楽と芸術の学校
Meaning
A greenhouse for growing plants or a school for music and the arts.
Example
They grew exotic plants in the conservatory.
彼らは温室でエキゾチックな植物を育てていました。
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。
A2 adjective, noun /tʃaɪˈniːz/

chinese

中国の
Meaning
relating to China, its people, or its language
Example
We went to a Chinese restaurant last night.
昨晩、私たちは中国のレストランに行きました。
C1 adjective sɪˈlɛstʃəl

celestial

天体
Meaning
Positioned in or relating to the sky, or outer space as observed in astronomy.
Example
The celestial bodies in the sky were clearly visible last night.
空にある天体は昨夜はっきりと見えました。
B2 adjective /kənˈvɪnsɪŋ/

Convincing

説得力のある; 信頼できる; 説得力のある; 誰かに何かを信じさせることができる
Meaning
believable; credible; persuasive; able to make someone believe something
Example
His convincing argument won over the entire jury.
彼の説得力のある議論は全陪審員を納得させました。
B2 noun /kənˌfɪɡəˈreɪʃən/

configuration

コンフィギュレーション
Meaning
an arrangement of parts or elements in a particular form or structure
Example
The configuration of the system needs to be adjusted for better performance.
システムのコンフィギュレーションは、パフォーマンス向上のために調整する必要があります。
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.
C1 noun /ˈkɜːrfjuː/

curfew

外出禁止令
Meaning
a rule requiring people to stay indoors after a certain time, usually at night
Example
The city imposed a curfew during the unrest.
都市は騒動の間に外出禁止令を課しました。
C1 adjective /ˈkjuːmjələtɪv/

cumulative

累積的な
Meaning
Increasing gradually by addition; growing in quantity, force, or effect.
Example
The cumulative effect of stress can harm your health.
ストレスの累積的な影響は健康に害を与える可能性があります。
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。
B1 verb /kræk/

crack

幸せ
Meaning
To break or cause to break without complete separation; to make a sharp sound.
Example
The glass cracked when it was dropped on the floor.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
A2 adjective /ˈklɛvər/

clever

賢い, すばらしい
Meaning
Quick to understand, learn, and devise ideas or solutions; intelligent.
Example
She is clever enough to solve the puzzle quickly.
彼女はそのパズルを素早く解くのに十分賢いです。
A2 noun/verb /kənˈsɜːrn/

concern

Meaning
to relate to or affect; a matter of worry or interest
Example
Environmental issues concern all of us.
C2 noun /kəˈpriːs/

caprice

気まぐれ
Meaning
a sudden, unpredictable change of mood or behavior
Example
She bought the expensive dress on a caprice.
彼女は気まぐれで高価なドレスを買った。
C1 noun /ˈkærət/

carat

宝石の重さの単位
Meaning
a unit of weight for precious stones, equal to 200 milligrams
Example
She received a two-carat diamond ring for her engagement.
彼女は婚約のために2カラットのダイヤモンドリングをもらいました。
C2 noun /ˈkæʒuɪstri/

casuistry

詭弁
Meaning
The use of clever but false reasoning, especially in relation to moral questions.
Example
The lawyer’s argument was dismissed as mere casuistry.
弁護士の主張は単なる詭弁として退けられました。
C2 verb /kəˈraʊz/

carouse

騒いで飲む
Meaning
to drink and enjoy oneself noisily, often with others
Example
They stayed up all night to carouse after the victory.
彼らは勝利の後、一晩中騒いで飲んでいた。
B2 noun /ˌkoʊəˈlɪʃən/

coalition

連立
Meaning
a temporary alliance of distinct parties, persons, or states for joint action
Example
Several parties formed a coalition to pass the new law.
いくつかの政党が新しい法律を通すために連立を組んだ。
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。
B2 adjective /kəmˈpʌlsəri/

compulsory

義務的
Meaning
Required by law or a rule; obligatory.
Example
Wearing seat belts is compulsory in most countries.
ほとんどの国でシートベルトを着用することは義務的です。
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。
B2 adjective kəˈlɛktɪv

collective

集団的
Meaning
Done by people acting as a group; shared by all members of a group.
Example
Victory Day represents our collective pride.
勝利の日は私たちの集団的誇りを象徴しています。
C1 noun /ˌkɒnfɪˈdɑːnt/

confidante

信頼できる友人
Meaning
A woman with whom one shares a secret or private matter, trusting her not to repeat it.
Example
The queen’s maid became her most trusted confidante.
女王の侍女は最も信頼された友人になった。
C2 noun /ˈklɔɪstər/

cloister

回廊
Meaning
a covered walk in a convent, monastery, or cathedral, typically with a wall on one side and a colonnade open to a quadrangle on the other.
Example
The monks walked silently through the cloister.
修道士たちは静かに回廊を歩いていた。
B1 noun /klɪf/

cliff

崖
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。
B1 noun /ˈkɑːr.pən.tər/

Carpenter

大工
Meaning
a person who makes and repairs wooden objects and structures
Example
The carpenter built a beautiful wooden cabinet for the kitchen.
The carpenter built a beautiful wooden cabinet for the kitchen.
A1 verb /kɔːst/

cost

費用
Meaning
to have a price of; to require payment; to cause loss
Example
This book will cost twenty dollars.
この本は二十ドルかかります。
B2 noun ˈkrɪt.ɪ.kəl ˈθɪŋ.kɪŋ

critical thinking

批判的思考
Meaning
The objective analysis and evaluation of an issue in order to form a judgment.
Example
Critical thinking helps in making informed decisions.
批判的思考は情報に基づいた意思決定に役立ちます。
C2 adjective /ˈkoʊltɪʃ/

coltish

Meaning
Playful, energetic, and not fully mature or disciplined.
Example
The coltish boy ran around the field without a care.
B2 noun ˌkɒn.fɪ.den.ʃiˈæl.ɪ.ti

confidentiality

機密性
Meaning
The state of keeping or being kept secret or private
Example
Confidentiality is crucial in data security.
機密性はデータセキュリティにおいて重要です。
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。
B2 noun /ˈkʌvərɪdʒ/

coverage

報道
Meaning
The extent or scope of something, such as insurance protection or media reporting.
Example
The news channel provided extensive coverage of the event.
ニュースチャンネルはそのイベントを広範囲に報道しました。
C1 adjective /kənˈstreɪnd/

constrained

制約された、無理に作られた
Meaning
appearing forced, unnatural, or restricted
Example
He gave a constrained smile during the awkward meeting.
彼は気まずい会議で強制的な笑顔を見せた。
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。
C1 noun /ˈkæn.ɪ.bəl/

Cannibal

人食い
Meaning
a person who eats the flesh of other human beings
Example
The explorer's journal described rumors of cannibals living on the remote island.
探検家の日記には、遠くの島で人食いが生きているという噂が書かれていました。
B2 noun /kəˈmɪʃənər/

commissioner

コミッショナー
Meaning
an official in charge of a particular department or area
Example
The police commissioner addressed the media about the incident.
警察のコミッショナーは、事件についてメディアに話しました。
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。
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。
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。
C2 adjective /ˈsɪlieɪtɪd/

ciliated

繊毛を持つ
Meaning
Having minute hairlike projections (cilia) on the surface of cells or organisms.
Example
The ciliated cells in the respiratory tract help move mucus out of the lungs.
呼吸器官の繊毛細胞は粘液を肺から外に出すのを助けます。
B1 adjective /ˈtʃaɪl.dɪʃ/

Childish

子供っぽい; 子供のような振る舞いだが大人には不適切
Meaning
immature and silly; behaving in a way that is typical of a child but inappropriate for an adult
Example
His childish behavior during the meeting was quite embarrassing.
会議中の彼の子供っぽい行動はかなり恥ずかしいものでした。
B1 verb /kənˈvɪns/

convince

納得させる
Meaning
to make someone believe or feel certain about something
Example
She convinced him to attend the meeting.
彼女は彼に会議に参加するように納得させた。
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。
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。
B2 noun /kənˈtɛmpt/

contempt

Meaning
a strong feeling of dislike and lack of respect towards someone or something
Example
He spoke with contempt about the corrupt officials.
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。
C1 adjective /ˌkætəˈklɪzmɪk/

cataclysmic

壊滅的
Meaning
Relating to or denoting a violent natural event or upheaval.
Example
The war had cataclysmic effects on the nation's economy.
戦争は国の経済に壊滅的な影響を与えた。
C1 adjective /ˈkæn.dɪd/

Candid

率直な; 正直な; 直言
Meaning
truthful and straightforward; frank and honest in expression
Example
I appreciate your candid opinion about the project.
プロジェクトに関するあなたの率直な意見に感謝します。
C1 noun ˈkætəlɪst

catalyst

触媒
Meaning
A person or thing that precipitates an event or change.
Example
His speech acted as a catalyst for change in the community.
彼のスピーチはコミュニティの変化の触媒となった。
C1 noun /sɛˈseɪʃən/

cessation

停止
Meaning
The fact or process of ending or being brought to an end.
Example
There was a temporary cessation of hostilities.
敵対行為は一時的に停止しました。
B2 noun /ˌsɜː.kjʊˈleɪ.ʃən/

circulation

ja_translation
Meaning
The movement of blood through the body, or the movement of any fluid through a closed system.
Example
Proper circulation ensures that oxygen and nutrients reach every cell.
ja_example_sentence_translation
B2 verb /kənˈfɔːrm/

conform

従う
Meaning
To comply with rules, standards, or laws.
Example
Students must conform to the school regulations.
学生は学校の規則に従わなければならない。
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。
B2 noun /kɜːrv/

Curve

曲線; カーブ
Meaning
a line or outline that gradually deviates from being straight; a bend or turn in a road or path
Example
The driver slowed down as he approached the sharp curve in the mountain road.
運転手は山道の急なカーブに近づくとスピードを落としました。
B2 noun /ˈkɒm.ɪt/

Comet

彗星
Meaning
a celestial object consisting of ice and dust that develops a tail when approaching the sun
Example
Halley's Comet appears in the sky every 76 years.
ハレー彗星は76年ごとに空に現れます。