epoch
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C1 noun ˈiː.pɒk

epoch

時代
Meaning
A period of time in history or a person's life, typically one marked by notable events or particular characteristics.
Example
The invention of the internet marked a new epoch in human history.
インターネットの発明は人類の歴史に新しい時代を刻みました。
C1 noun /ɪkˌsperɪˈmɛnteɪʃən/

experimentation

実験
Meaning
The process of performing a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
Example
Experimentation leads to groundbreaking products.
実験は革新的な製品を生み出します。
C1 verb /ɪˈlɪsɪt/

elicit

引き出す
Meaning
To draw out a response, answer, or reaction from someone.
Example
The teacher’s question elicited thoughtful answers from the students.
先生の質問は生徒たちから思慮深い回答を引き出しました。
C1 adjective /ɪmˈfæt.ɪk/

Emphatic

強調された; 強い; 力強く表現された
Meaning
forceful; strong; showing emphasis; expressed with force and conviction
Example
She gave an emphatic 'no' to the proposal.
彼女は提案に対して強調された'ノー'を言いました。
C1 adjective /ˈɜːr.nɪst/

Earnest

真剣な; 本物の; 深い信念を示す
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
彼は問題を解決するために真剣な試みをしました。
C1 verb /ɪnˈsɜːrkəl/

encircle

囲む
Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
抗議者は人間の鎖で建物を囲んだ。
C1 verb /ɪnˈdɪr/

endear

好かれるようにする
Meaning
To cause someone to be loved or liked.
Example
Her kindness and generosity endeared her to the community.
彼女の優しさと寛大さは、彼女を地域社会に好かれるようにした。
C1 verb /ɪnˈkrəʊtʃ/

encroach

幸せ
Meaning
to gradually take over or intrude on someone’s rights, territory, or space
Example
The buildings began to encroach on the protected forest land.
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。
C1 verb /ɪˈdʒektɪd/

ejected

eject
Meaning
to force someone or something to leave a place; to push or throw something out forcefully
Example
The pilot was ejected from the aircraft during the emergency.
パイロットは緊急時に飛行機から eject されました。
C1 verb /ɪˈloʊp/

elope

駆け落ちする
Meaning
to run away secretly in order to get married, especially without parental consent
Example
The young couple decided to elope to another city.
若いカップルは別の都市に駆け落ちすることに決めました。
C1 noun /ɛkˈspeɪtriət/

expatriate

外国人
Meaning
a person who lives outside their native country
Example
Many expatriates gather in the city’s international community.
多くの外国人が都市の国際コミュニティに集まっています。
C1 noun /ˈɛn.kleɪv/

enclave

飛び地
Meaning
a distinct area or group enclosed within a larger one
Example
The city has a small Italian enclave where traditions are preserved.
その都市には、伝統が守られている小さなイタリアン飛び地があります。
C1 noun /ˈjuː.fə.mɪ.zəm/

euphemism

直接的または厳しい言葉の代わりに使われる穏やかで間接的な言葉
Meaning
A mild or indirect term substituted for one considered too harsh or direct; polite expression for something unpleasant.
Example
The phrase "passed away" is a euphemism for "died".
'亡くなった'という言葉は'死んだ'のユーフェミズムです。
C1 noun /ˈiːzl̩/

easel

イーゼル
Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
アーティストは絵を描き始める前にキャンバスをイーゼルに置きました。
C1 noun /ɪˈvændʒəlɪst/

evangelist

伝道師
Meaning
A person who seeks to convert others to the Christian faith, especially by public preaching.
Example
The evangelist traveled across the country spreading his message.
伝道師は全国を旅して自分のメッセージを広めていました。
C1 noun /ɪˈnɪɡ.mə/

enigma

謎
Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
人生は多くの人にとって謎のままです。
C1 noun ˌiː.kəʊˈfrend.li ˌɜː.bən.aɪˈzeɪ.ʃən

eco-friendly urbanization

エコフレンドリーな都市化
Meaning
The development of cities in a way that is not harmful to the environment.
Example
Eco-friendly urbanization reduces environmental degradation.
エコフレンドリーな都市化は環境劣化を減少させます。
C1 noun /ɪˈklɪps/

Eclipse

日食 (太陽または月)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
完全な太陽日食は数分間空を暗くしました。
C1 verb /ɪnˈtrɛntʃ/

entrench

堅固にする
Meaning
To establish something so firmly that it is difficult to change.
Example
The company entrenched its position in the market through innovation.
その企業は革新を通じて市場での地位を固めました。
C1 adjective /ɪˈlɪptɪkl/

elliptical

楕円形の
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
その惑星は太陽の周りをエリプティカルな軌道で回っています。
C1 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
C1 adjective /ɪkˈsiːdɪŋ/

Exceeding

過剰な; 超越した
Meaning
going beyond; surpassing; extremely
Example
The project was completed with exceeding excellence.
プロジェクトは極めて優れた成果で完了しました。
C1 adjective ɪɡˈzɛmpləri

exemplary

模範的
Meaning
Serving as a desirable model; representing the best of its kind.
Example
She was praised for her exemplary work ethic and dedication.
彼女はその模範的な仕事倫理と献身に対して賞賛されました。
C1 noun /ɪɡˈzɛkjətər/

executor

遺言執行者
Meaning
A person appointed to carry out the terms of someone's will after their death.
Example
The executor managed the estate according to the deceased’s wishes.
遺言執行者は故人の意志に従って財産を管理しました。
C1 verb /ɛmˈbɛzəl/

embezzle

Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
C1 verb /ɪˈroʊd/

erode

浸食
Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
海岸線は継続的な波のために浸食し始めた。
C1 noun ɪnˌvaɪ.rənˈmen.təl ˌtræns.fəˈmeɪ.ʃən

environmental transformation

環境変革
Meaning
A significant change in environmental conditions or ecological systems.
Example
The city demonstrates environmental transformation.
この都市は環境変革を示しています。
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

啓蒙された; 精神的に目覚めた; 賢い;
Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
啓蒙された教師は、すべての生徒と知恵を共有しました。
C1 adverb ˌekspəˈnenʃəli

exponentially

指数的に
Meaning
At a rapidly increasing rate; growing or expanding very quickly and intensely.
Example
Internet adoption is growing exponentially worldwide.
インターネットの採用は世界中で指数的に増加しています。
C1 adjective /ɛsˈθɛtɪk/

esthetic

美的
Meaning
Concerned with beauty or the appreciation of beauty.
Example
The building’s esthetic design attracted many visitors.
その建物の美的なデザインは多くの訪問者を引き寄せました。
C1 noun /ˈɒntʊrɑːʒ/

entourage

随行者
Meaning
A group of people attending or surrounding an important person.
Example
The celebrity arrived with her entourage of assistants and bodyguards.
その有名人は、アシスタントやボディガードを伴って到着しました。
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

例示する
Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
彼の献身は真のリーダーシップを例示しています。
C1 noun /ˌiː.kəˈnɒm.ɪk dɪˈspær.ɪ.ti/

Economic Disparity

経済的不平等
Meaning
The unequal distribution of income and opportunity between different groups in society.
Example
Addressing economic disparity is crucial for social stability.
経済的不平等に対処することは、社会的安定にとって重要です。
C1 noun /ˈɛkstrəˌvɜːrt/

extrovert

外向的な人
Meaning
a person who is outgoing, sociable, and energized by being around other people
Example
As an extrovert, she enjoys meeting new people at social events.
外向的な人として、彼女は社交的なイベントで新しい人々と出会うのが好きです。
C1 adjective /ˈed.jʊ.keɪ.tɪv/

Educative

教育的; 有益な; 情報豊かな
Meaning
providing education; instructive; informative
Example
The documentary was highly educative and informative.
そのドキュメンタリーは非常に教育的で有益でした。
C1 noun /ɪˈleɪʃən/

elation

興奮
Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
彼の興奮はチャンピオンシップに勝った後、明らかだった。
C1 verb ɪˈluː.sɪ.deɪt

elucidate

明らかにする、説明する
Meaning
make (something) clear; explain.
Example
The professor elucidated the theory with simple examples.
教授は簡単な例で理論を明らかにしました。
C1 adjective /ˌiːɡəˈtɪstɪkəl/

egotistical

自己中心的
Meaning
Excessively self-absorbed or conceited.
Example
Her egotistical behavior made it difficult for her to maintain friendships.
彼女の自己中心的な行動は、友達関係を維持するのを難しくしました。
C1 noun /ɪˈpɪt.ə.mi/

epitome

特定の品質やタイプの完璧な例; 何かの最良の表現
Meaning
A perfect example of a particular quality or type; the best representation of something.
Example
She is the epitome of grace and kindness.
彼女は優雅さと親切さの典型です。
C1 verb /ɪˈkweɪt/

equate

等しい
Meaning
To consider as equal or equivalent.
Example
Many people equate wealth with success.
多くの人々は富と成功を同一視します。
C1 adjective /ɪnˈθrɔː.lɪŋ/

enthralling

魅力的
Meaning
Captivating and holding one's attention completely; fascinating.
Example
The movie was enthralling, keeping the audience engaged till the end.
その映画は魅力的で、観客は最後まで引き込まれていました。
C1 verb /ɪkˈspend/

expend

使う
Meaning
to use up or consume; to spend energy or resources
Example
He expended all his energy on the project.
彼はプロジェクトに全てのエネルギーを費やした。
C1 adjective /ɪˈkwɛstriən/

equestrian

馬術の
Meaning
Relating to horse riding or horseback riders.
Example
She won several equestrian competitions.
彼女は複数の馬術競技で優勝しました。
C1 noun /ˈem.ɪ.nəns/

Eminence

名声; 優越性
Meaning
fame or recognized superiority; high rank or status
Example
The professor achieved eminence in the field of quantum physics.
教授は量子物理学の分野で名声を得ました。
C1 verb /ɪˈlɛktrɪfaɪ/

electrify

電気を通す; 興奮させる
Meaning
to charge with electricity; to excite or thrill intensely
Example
The speaker's speech electrified the audience.
スピーカーのスピーチは聴衆を興奮させた。
C1 verb /ˈɪə.mɑːrk/

earmark

指定する
Meaning
To designate funds, resources, or time for a particular purpose.
Example
The government has earmarked funds for education.
政府は教育のための資金を指定しました。
C1 verb /ɪnˈdaʊ/

endow

Meaning
To provide with a quality, ability, or gift; to donate funds for a purpose.
Example
The university was endowed with a generous donation.
C1 verb ɪɡˈzæsərbeɪt

exacerbate

悪化させる
Meaning
To make a problem, bad situation, or negative feeling worse.
Example
Climate change exacerbates flooding issues.
気候変動が洪水の問題を悪化させている。
C1 adjective /ˌɛɡzɪˈstɛnʃəl/

existential

実存的
Meaning
Relating to human existence, often concerning meaning or purpose of life.
Example
She went through an existential crisis during her midlife.
彼女は中年に実存的な危機を経験した。
C1 adjective /ɪmˈbrɔɪld/

embroiled

巻き込まれた
Meaning
being deeply involved in a difficult situation, conflict, or scandal
Example
She found herself embroiled in a heated family dispute.
彼女は激しい家族間の争いに巻き込まれているのを見つけた。
C1 noun /ɪˈnɔːrmɪti/

enormity

巨大さ
Meaning
The extreme scale, seriousness, or extent of something perceived as bad or morally wrong.
Example
The enormity of the crime shocked the entire community.
犯罪の巨大さはコミュニティ全体を驚かせました。
C1 adjective ɪˈveɪ.sɪv

evasive

回避的な, 狡猾な, 曖昧な
Meaning
Tending to avoid commitment or self-revelation, especially by responding only indirectly.
Example
He gave an evasive answer to avoid trouble.
彼は問題を避けるために回避的な答えをしました。
C1 noun /ˈɛskəpeɪd/

escapade

冒険
Meaning
an adventurous, exciting, or reckless act
Example
Their summer escapade included camping and mountain climbing.
彼らの夏の冒険にはキャンプと山登りが含まれていました。
C1 noun ˈɛf.lu.ənt

effluent

排水または汚染された液体
Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
工場の排水は近くの川や湖を汚染します。
C1 adjective /ɪˈrɒtɪk/

erotic

エロティック
Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
その小説にはいくつかのエロティックなシーンが含まれていました。
C1 verb ɪˈluːd

elude

逃れる
Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
泥棒は警察から逃げることに成功した。
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

貿易禁止
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
国連は武器輸出に対して禁輸を課しました。
C1 noun /ˈɑːnkɔːr/

encore

アンコール
Meaning
An additional performance demanded by an audience at the end of a show.
Example
The band returned to the stage for an encore.
バンドはアンコールのためにステージに戻った。
C1 noun /eb/

Ebb

干潮; 満ち引き
Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
漁師たちは岸に戻る前に干潮を待っていた。
C1 noun ɪnˈdaʊmənt

endowment

寄付金, 寄贈
Meaning
An income or form of property given or bequeathed to someone.
Example
The university received a large endowment for research.
大学は研究のために大きな寄付金を受け取った。
C1 adjective /ˈevər ˈlæstɪŋ/

Ever-lasting

永遠の; 永続的な;
Meaning
eternal; permanent; enduring forever
Example
Their love is ever-lasting and will never fade.
彼らの愛は永遠で、決して色あせることはありません。
C1 noun /ˈɛf.ɪ.kə.si/

efficacy

効果
Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
ワクチンの効果は試験で証明されました。
C1 noun /ˌekspəˈzɪʃən/

exposition

説明 / 展覧会
Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
科学者は理論を明確に説明しました。
C1 adjective /ˈen.vi.ə.bəl/

Enviable

うらやましい
Meaning
causing envy; desirable
Example
Her success was enviable among her peers.
彼女の成功は仲間の間でうらやましかった。
C1 adjective /ˈɛntərˌpraɪzɪŋ/

enterprising

企業家精神のある
Meaning
showing initiative and resourcefulness; willing to take risks to achieve success
Example
She is an enterprising young entrepreneur.
彼女は企業家精神のある若い起業家です。
C1 noun /ˌɛtɪˈmɒlədʒi/

etymology

語源学
Meaning
The study of the origin of words and how their meanings and forms have evolved.
Example
The etymology of the word 'salary' comes from the Latin word for salt.
'給与'という言葉の語源は、ラテン語の塩を意味する言葉から来ています。
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

エリザベス朝時代
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
シェイクスピアはエリザベス朝時代に多くの戯曲を書きました。
C1 verb /ɪmˈboʊl.dən/

embolden

勇気づける
Meaning
To give someone the courage or confidence to do something.
Example
The coach's words emboldened the team to play aggressively.
コーチの言葉はチームを積極的にプレーするように勇気づけました。
C1 adjective /ˈɪəri/

eerie

不気味
Meaning
Strange and frightening in a mysterious way.
Example
The abandoned house had an eerie silence.
放棄された家には不気味な静けさがあった。
C1 verb /ɪˈspaʊz/

espouse

支持する
Meaning
To adopt or support a cause, belief, or way of life.
Example
She espoused the philosophy of nonviolence throughout her career.
彼女はキャリアを通じて非暴力の哲学を支持していました。
C1 noun /ˈiːɡoʊˌtɪzəm/

egotism

エゴイズム
Meaning
The practice of talking and thinking about oneself excessively because of an inflated sense of self-importance.
Example
His constant boasting revealed his egotism.
彼の絶え間ない自慢は、彼のエゴティズムを明らかにした。
C1 noun ɪkˌstræp.əˈleɪ.ʃən

extrapolation

外挿
Meaning
The action of estimating or concluding something by assuming that existing trends will continue.
Example
His extrapolation of market trends helped in financial planning.
市場動向の彼の外挿は、財務計画に役立ちました。
C1 noun /ˈɛdɪfɪs/

edifice

建物
Meaning
A large, impressive building or structure.
Example
The museum is an impressive edifice in the city center.
その博物館は市内中心部の印象的な建物です。
C1 noun /ɪnˈtaɪtəlmənt/

entitlement

権利
Meaning
the belief that one is inherently deserving of privileges or special treatment; a right to benefits
Example
The program provides entitlement to health care.
このプログラムは医療サービスの権利を提供します。
C1 adjective /ɪnˈtrɛntʃt/

entrenched

根付いている
Meaning
Firmly established and unlikely to change.
Example
Corruption is deeply entrenched in the system.
腐敗はシステムに深く根付いています。
C1 verb /ɪnˈsjuː/

ensue

結果として起こる
Meaning
to happen as a result or consequence
Example
After the argument, silence ensued.
議論の後、沈黙が続いた。
C1 verb /ɪˈnjuːməˌreɪt/

enumerate

列挙する
Meaning
to mention things one by one; to list or count
Example
She enumerated the reasons for her decision.
彼女は決定の理由を列挙した。
C1 noun /ˈek.saɪl/

Exile

亡命
Meaning
the state of being barred from one's native country; enforced removal from one's homeland
Example
The political leader was forced into exile after the military coup.
軍事クーデターの後、政治的リーダーは亡命を強制された。
C1 verb /ˈɛm.jʊˌleɪt/

emulate

模倣する
Meaning
to imitate someone or something with the intent to equal or surpass
Example
Young athletes often emulate their idols.
若いアスリートはよく自分のアイドルを模倣します。
C1 verb /ɪkˈstræpəleɪtɪŋ/

extrapolating

外挿
Meaning
Extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends will continue.
Example
Extrapolating from the current data, we can estimate the trends for next year.
現在のデータから外挿して、来年の傾向を予測できます。
C1 adjective ɪˈθɪə.ri.əl

ethereal

天上的, 精緻な, 超自然的
Meaning
Extremely delicate and light in a way that seems too perfect for this world.
Example
Her voice had an ethereal quality.
彼女の声にはエセリアルな質感がありました。
C1 adjective /ɪɡˈzæktɪŋ/

exacting

厳格な
Meaning
demanding a lot of effort, attention, or precision
Example
She is known for her exacting standards in design.
彼女はデザインにおける厳格な基準で知られています。
C1 adjective /ˈɜːrstwaɪl/

erstwhile

かつての
Meaning
former or in the past
Example
They were erstwhile friends but no longer speak.
彼らはかつての友達でしたが、今は話しません。
C1 adjective /ɪkˈsplɔɪtətɪv/

exploitative

搾取的な
Meaning
making use of a situation or people unfairly and unethically for one's own advantage
Example
The workers protested against the exploitative practices of the factory.
労働者たちは工場の搾取的な行動に抗議した。
C1 verb /ɪɡˈzɒnəreɪt/

exonerate

免責
Meaning
To clear someone from blame or accusation.
Example
The court exonerated her from all charges.
裁判所は彼女をすべての告発から免除しました。
C1 noun ɪˌræd.ɪˈkeɪ.ʃən

eradication

根絶
Meaning
The complete destruction or elimination of something unwanted.
Example
Carbon eradication is a key goal of the project.
カーボンの根絶はプロジェクトの重要な目標です。
C1 verb /ɪmˈbɛl.ɪʃ/

embellish

飾る
Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
彼は物語をより面白くするために飾る傾向があります。
C1 noun /ɪɡˈzuːbərəns/

exuberance

活力
Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
彼女の活力はチーム全体をやる気にさせた。
C1 verb /ɪnˈtaɪs/

entice

引きつける
Meaning
to attract or tempt someone by offering something appealing
Example
The advertisement was designed to entice customers into the store.
広告は顧客を店に引き込むためにデザインされました。
C1 adjective /ɪɡˈzuːbərənt/

exuberant

興奮した
Meaning
full of energy, excitement, and cheerfulness
Example
The children were exuberant after winning the game.
子供たちはゲームに勝った後、興奮していました。
C1 noun /ˈiːɡoʊɪst/

egoist

エゴイスト
Meaning
A person who is excessively concerned with themselves; someone who believes in or practices egoism.
Example
She avoided him because he was a selfish egoist.
彼女は彼を避けていた、なぜなら彼は利己的なエゴイストだったから。
C1 adjective /ɪˈfɛm.ər.əl/

ephemeral

儚い
Meaning
Lasting for a very short time; temporary or transitory.
Example
The beauty of cherry blossoms is ephemeral.
桜の花の美しさは儚い。
C1 noun /ɪˌlæbəˈreɪʃən/

elaboration

詳細な説明 / 拡張
Meaning
the process of adding more detail or expanding on something
Example
The teacher appreciated the student's elaboration of the topic.
先生は学生のトピックの詳細な説明を評価しました。
C1 verb /ˈɛm.ə.neɪt/

emanate

発する
Meaning
To come out or spread from a source.
Example
A sweet fragrance emanated from the garden.
甘い香りが庭から発せられました。
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

自己中心的
Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
彼の自己中心的な行動は会議でみんなをイライラさせた。
C1 adjective /ˈen.vi.əs/

Envious

嫉妬深い; ねたむ
Meaning
feeling or showing envy; jealous
Example
She felt envious of her friend's new car.
彼女は友達の新しい車に嫉妬していた。
C1 adjective, verb /ɪɡˈzɛmpt/

exempt

免除
Meaning
Free from an obligation or liability imposed on others.
Example
Students with high grades are exempt from the final exam.
優秀な成績を収めた学生は、最終試験を免除されます。
C1 noun /ɪnˈkrəʊtʃmənt/

encroachment

侵害
Meaning
the act of gradually intruding or taking over someone’s rights, land, or space
Example
The villagers protested against the encroachment on their farmland.
村人たちは自分たちの農地への侵害に反対して抗議しました。
C1 verb /ɪˈlæps/

elapse

経過する
Meaning
to pass or go by, usually referring to time
Example
Several hours elapsed before he finally returned home.
数時間が経過し、彼はようやく家に帰った。
C1 noun /ˌiː.kwɪˈlɪb.ri.əm/

equilibrium

均衡
Meaning
A state of physical balance or stability in physical, mental, or economic conditions.
Example
The market reached an equilibrium between supply and demand.
市場は供給と需要の間で均衡を達成しました。
C1 noun /ɪkˈstɔːr.ʃən/

extortion

恐喝
Meaning
the practice of obtaining something, especially money, through force or threats
Example
The businessman was arrested for extortion after threatening his partner.
そのビジネスマンは、パートナーを脅迫した後、恐喝で逮捕されました。
C1 adjective /ɪˈstreɪndʒd/

estranged

疎遠
Meaning
no longer close or affectionate with someone; alienated
Example
She felt estranged from her family after the long dispute.
彼女は長い争いの後、家族と疎遠に感じた。
C1 noun ɪˌməʊ.ʃəˈnæl.ɪ.ti

emotionality

感情性
Meaning
The quality of being driven by emotions rather than reason; emotional responsiveness.
Example
His emotionality often influenced his decisions.
彼の感情性はしばしば彼の決定に影響を与えた。
C1 noun /ˌɛlɪˈveɪʃən/

elevation

高度
Meaning
The act of raising something to a higher position or level.
Example
The hikers reached a high elevation after hours of climbing.
登山者たちは数時間の登攀後、高い高度に達しました。
C1 noun /ˈef.ɪ.dʒi/

Effigy

わら人形; 抗議のための像
Meaning
a sculpture or model of a person, especially one made as a protest
Example
The protesters burned an effigy of the corrupt politician in the square.
抗議者たちは広場で腐敗した政治家のわら人形を燃やしました。
C1 noun /ɪɡˌzæm.ɪˈniː/

Examinee

受験者
Meaning
a person who is being tested in an examination
Example
Each examinee was given two hours to complete the test.
各受験者には試験を完了するために2時間が与えられました。
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

生態系サービス
Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
森林は空気と水を浄化するなど、貴重な生態系サービスを提供します。
C1 noun /ˈiːɡətɪst/

egotist

自己中心的な人
Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
その自己中心的な人は自分の成功だけについて話していた。
C1 adjective ɪˈroʊ.ni.əs

erroneous

誤った、間違った
Meaning
Wrong; incorrect.
Example
His assumptions were completely erroneous.
彼の仮定は完全に誤っていた。
C1 noun /ˈiːkwɪnɒks/

equinox

昼夜平衡
Meaning
The time or date when day and night are of equal length, occurring twice a year.
Example
The spring equinox marks the beginning of longer days.
春分は長い日が始まることを示します。
C1 verb /ˈiːvzdrɒp/

eavesdrop

盗み聞き
Meaning
to secretly listen to a conversation
Example
She stood near the door to eavesdrop on their conversation.
彼女はその会話をこっそり聞くためにドアの近くに立っていました。
C1 verb /ɪˈkɒnəmaɪz/

economize

節約する
Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
家族は不必要な支出を削減して、節約しようとしています。
C1 noun /ˌɛks.həˈleɪ.ʃən/

exhalation

息を吐くこと
Meaning
The action of breathing out.
Example
Slow exhalation calms the nervous system.
ゆっくりした息を吐くことは神経系を落ち着かせます。
C1 adjective ˌɜː.ɡəˈnɒm.ɪk

ergonomic

人間工学デザイン
Meaning
Designed for efficiency and comfort in the working environment; user-friendly and reducing strain.
Example
The chair has an ergonomic design for better posture.
この椅子は、より良い姿勢のためにエルゴノミックデザインを採用しています。
C1 verb /ˈɛkstrɪkeɪt/

extricate

救出する
Meaning
To free someone or something from a constraint or difficulty.
Example
The firefighters extricated the passengers from the wrecked car.
消防士たちは事故車から乗客を救出しました。
C1 verb ɪˈræd.ɪ.keɪt

eradicate

根絶する
Meaning
To destroy completely; to put an end to something undesirable.
Example
Vaccination programs help eradicate infectious diseases.
ワクチンプログラムは感染症を根絶するのに役立ちます。
C1 verb /ɪmˈbrɔɪl/

embroil

巻き込む
Meaning
to involve someone deeply in a conflict, argument, or difficult situation
Example
The politician was embroiled in a major corruption scandal.
その政治家は大規模な汚職スキャンダルに巻き込まれました。
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

耐えられない痛み
Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
彼女は事故の後、耐えられない痛みを感じていた。
C1 noun ˌes.kəˈleɪ.ʃən

escalation

急激な増加; 上昇。
Meaning
A rapid increase; a rise.
Example
The escalation of production costs impacts profitability.
生産コストの増加は収益性に影響を与えます。
C1 adjective /ˌɛk.spəˈnɛn.ʃəl/

exponential

急速な成長または拡張
Meaning
Rapid growth or expansion at an increasing rate
Example
Technology is advancing at an exponential rate.
テクノロジーは指数関数的に進化しています。
C1 verb /ɪnˈtæŋɡəl/

entangle

Meaning
to become twisted together or caught in something; to involve in difficulties
Example
The fish got entangled in the net.