alchemy
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C1 noun /ˈælkəmi/

alchemy

錬金術
Meaning
A medieval practice combining elements of chemistry and philosophy, aimed at transforming matter, especially turning base metals into gold.
Example
Medieval scientists devoted their lives to alchemy.
中世の科学者たちは命を錬金術に捧げました。
C1 noun /sɪlt/

silt

シルト
Meaning
Fine sand, clay, or other material carried by running water and deposited as a sediment.
Example
The river deposited layers of silt along its banks.
川はその岸にシルトの層を堆積させた。
C1 noun /nɔːrm/

Norm

規範; 標準; ルール; 伝統
Meaning
a standard of behavior; what is typical or expected
Example
Working late has become the norm in this company.
遅くまで働くことがこの会社の規範になった。
C1 adjective /əˈbliːk/

Oblique

斜め; 対角線; 間接的または回避的
Meaning
slanting; diagonal; indirect or evasive
Example
The artist drew an oblique line across the canvas.
アーティストはキャンバスに斜めの線を描いた。
C1 noun ˌlɪb.ərˈeɪ.ʃən

liberation

解放
Meaning
The action of setting someone free from imprisonment, slavery, or oppression; release.
Example
Liberation movements inspired many countries.
解放運動は多くの国々に影響を与えました。
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

可逆的な
Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
このジャケットはリバーシブルで、両面で着られます。
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

犯罪や法的問題に適用される科学的分析
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
法医学の専門家は、先進的なツールを使用してサイバー犯罪を分析します。
C1 noun /ˈskæf.əld/

Scaffold

足場
Meaning
a temporary structure used by workers to stand on when building or repairing something high; a platform for execution
Example
The workers erected a scaffold to paint the building's exterior.
作業員たちは建物の外壁を塗装するために足場を設置しました。
C1 adjective /ˈfɛrəl/

feral

野生の
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
その野良猫は夜に街を歩き回っていた。
C1 noun /ˈneɪ.vəl/

Navel

へその緒
Meaning
the small hollow in the center of the stomach where the umbilical cord was attached
Example
The baby's navel cord fell off after a week.
赤ちゃんのへその緒は1週間後に取れました。
C1 noun/verb /rɪˈlæps/

relapse

再発
Meaning
to return to a worse condition, especially after improvement; a deterioration after recovery
Example
After months of progress, he suffered a relapse.
数ヶ月の進歩の後、彼は再発しました。
C1 verb /ˈæk.lɪ.meɪt/

acclimate

順応する
Meaning
To adapt or become accustomed to a new environment or situation
Example
It takes time to acclimate to a new climate.
新しい気候に順応するには時間がかかります。
C1 verb /ədˈmɒnɪʃ/

admonish

注意する / 叱る
Meaning
to warn or reprimand someone firmly; to advise or urge earnestly
Example
The teacher admonished the students for being late.
先生は遅刻した生徒を注意しました。
C1 adverb /iːsˈθetɪkli/

aesthetically

美的に
Meaning
in a way that is concerned with beauty or visual appeal
Example
The building is aesthetically pleasing despite its simple design.
その建物はシンプルなデザインにもかかわらず美的に魅力的です。
C1 noun ˈhaɪ.drə.dʒən ˈpaʊ.əd bʌsɪz

hydrogen-powered buses

水素バス
Meaning
Buses powered by hydrogen fuel cells that produce only water vapor as emission.
Example
Hydrogen-powered buses reduce air pollution.
水素バスは大気汚染を減らします。
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

表現的な
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
彼女は友達に対してとても表現的だった。
C1 noun ˈɪn.fər.əns

inference

推論
Meaning
A conclusion reached on the basis of evidence and reasoning; logical deduction.
Example
Scientists make inferences based on experimental data.
科学者たちは実験データに基づいて推論を行います。
C1 noun /dʌsk/

Dusk

夕暮れ; たそがれ
Meaning
the period of the day when daylight is fading; twilight
Example
They walked along the beach during dusk, watching the sunset.
彼らは夕暮れ時にビーチを歩きながら、日没を見ていました。
C1 adjective /ˈɡæsiəs/

gaseous

気体の
Meaning
Relating to or having the form of gas.
Example
Carbon dioxide is a gaseous substance.
二酸化炭素は気体の物質です。
C1 noun /ˈvenəm/

Venom

毒
Meaning
a poisonous substance secreted by animals such as snakes; extreme malice and bitterness
Example
The snake's venom can be deadly if not treated quickly.
ヘビの毒は、迅速に治療しないと致命的である可能性があります。
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

信用を失わせる
Meaning
To harm the reputation of someone or something; loss of respect or credibility.
Example
The scandal discredited the politician in the eyes of the public.
スキャンダルは公衆の目で政治家を信用を失わせました。
C1 noun ˌdʒɛriˈætrɪk səˈsaɪəti

geriatric society

高齢者社会
Meaning
A society or community where elderly people make up a large proportion of the population
Example
A geriatric society demands specialized healthcare systems.
高齢者社会には、専門的な医療システムが必要です。
C1 noun /brʌnt/

brunt

主な影響
Meaning
the worst part or main impact of something unpleasant
Example
The small town bore the brunt of the storm.
小さな町は嵐の主な影響を受けました。
C1 adjective /ɪˈnɔːrdənət/

inordinate

過度の
Meaning
Excessive or unusually large in degree.
Example
She spent an inordinate amount of time on her phone.
彼女は電話に過度の時間を費やしました。
C1 noun /noʊz rɪŋ/

Nose ring

鼻リング
Meaning
a piece of jewelry worn through a piercing in the nose
Example
She got a small gold nose ring for her birthday.
彼女は誕生日に小さな金の鼻リングをもらった。
C1 adjective /ˈliː.θəl/

Lethal

致命的; 死亡を引き起こす;
Meaning
deadly; fatal; capable of causing death
Example
The snake's venom is lethal to humans if not treated immediately.
そのヘビの毒は人間にとって致命的で、すぐに治療しなければならない。
C1 adverb /ˈɒp.tɪ.məl.i/

optimally

最適に
Meaning
In the most effective or efficient way possible.
Example
Tasks should be allocated optimally for maximum output.
タスクは最大の成果を上げるために最適に割り当てるべきです。
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。
C1 verb, noun /mɛʃ/

mesh

メッシュ, 絡ませる
Meaning
To fit or work together properly; or a material made of interlaced threads.
Example
The two gears mesh perfectly to keep the machine running smoothly.
二つの歯車が完璧に噛み合って、機械がスムーズに動く。
C1 adjective ˌdet.rɪˈmen.təl

detrimental

有害な
Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
汚染は生殖能力に有害な影響を与えます。
C1 noun /ˈpɛrəntɪdʒ/

parentage

家系
Meaning
The identity and origins of one's parents; descent or lineage.
Example
Her noble parentage gave her access to the royal court.
彼女の高貴な家系は、彼女に王室へのアクセスを与えた。
C1 noun ˌɒp.tɪ.maɪˈzeɪ.ʃən

optimization

最適化
Meaning
Improving processes to increase performance and efficiency.
Example
SEO optimization helps websites rank higher on search engines.
SEO最適化はウェブサイトが検索エンジンでより高いランクを獲得するのを助けます。
C1 verb /ˌriːˈsiːt/

reseat

再座席
Meaning
to seat someone again or to fit something back into its place
Example
The usher had to reseat the guests after the interruption.
接客係は中断後、ゲストを再座席させなければならなかった。
C1 verb /ɪnˈklaɪn/

incline

傾く
Meaning
to feel willing or favorably disposed toward something; to bend or tilt
Example
She is inclined to agree with the proposal.
彼女は提案に賛成する傾向があります。
C1 adjective /ˌpærəˈdɒksɪkəl/

paradoxical

逆説的
Meaning
Seemingly contradictory or opposed to common sense, yet possibly true.
Example
It is paradoxical that standing is often more tiring than walking.
立っていることが歩くことよりも疲れるのは逆説的です。
C1 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

劣化
Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
不十分なメンテナンスは材料の劣化を引き起こす。
C1 adjective /fɪkˈtɪʃəs/

fictitious

虚構の、偽の
Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
彼が話した話は完全に虚構だった。
C1 adjective /ʃrɪl/

shrill

鋭い音
Meaning
High-pitched and piercing in sound.
Example
The shrill whistle startled everyone in the room.
鋭い口笛の音が部屋の中の全員を驚かせた。
C1 noun ˈpɜː.mə.kʌl.tʃər

permaculture

パーマカルチャー
Meaning
The development of agricultural ecosystems intended to be sustainable and self-sufficient.
Example
Permaculture promotes self-sufficient farming systems.
パーマカルチャーは自給自足の農業システムを促進します。
C1 noun /əˈkɜr.əns/

Occurrence

出来事
Meaning
an instance or event of something happening; the fact of occurring
Example
The occurrence of earthquakes is common in this region.
この地域では地震の出来事が一般的です。
C1 phrase ˌhjuː.məˈnɪt.ər.i.kəˈtæs.trə.fi

humanitarian catastrophe

人道的災害
Meaning
A widespread disaster affecting human life, health, and well-being on a large scale.
Example
The war created a humanitarian catastrophe.
戦争は人道的災害を引き起こした。
C1 verb /əˈlɒt/

allot

幸せ
Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
彼女は賞を受け取ったとき、幸福を隠すことができませんでした。
C1 noun/adjective/verb /bʌf/

buff

映画ファン / 磨く
Meaning
A fan or enthusiast; also to polish or shine something.
Example
He is a movie buff who watches films every weekend.
彼は毎週末映画を観る映画ファンです。
C1 noun /ˈmɪd.əl.mæn/

Middleman

仲介者
Meaning
A person who acts as an intermediary between two parties in a business transaction
Example
They decided to cut out the middleman and sell directly to customers.
彼らは仲介者を排除し、直接顧客に販売することに決めました。
C1 verb /ˈfɔːltər/

falter

ためらう、または力や勢いを失う
Meaning
to hesitate or lose strength or momentum
Example
Her voice faltered as she delivered the speech.
彼女の声はスピーチをする際に途切れました。
C1 noun /ˌæmplɪfɪˈkeɪʃən/

amplification

増幅
Meaning
the act or process of making something stronger, louder, or more intense; an expansion or elaboration of details
Example
The microphone provides amplification of the speaker’s voice.
マイクは話者の声を増幅する。
C1 verb /fɔːrˈɡoʊ/

forgo

控える
Meaning
to decide not to do or have something
Example
She decided to forgo dessert to maintain her diet.
彼女はダイエットを維持するためにデザートを控えることを決めました。
C1 noun /ˈbɛərnəs/

bareness

裸の状態
Meaning
the state of being bare or uncovered; lack of decoration, warmth, or concealment
Example
The bareness of the room made it feel cold and unwelcoming.
部屋の裸の状態が冷たく居心地の悪い感じを与えた。
C1 noun /ˈnaɪ.tɪŋ.ɡeɪl/

Nightingale

ナイチンゲール
Meaning
small songbird known for its beautiful singing, especially at night
Example
The nightingale sang sweetly in the moonlight.
ナイチンゲールは月明かりの中で甘美に歌った。
C1 verb /snʌb/

snub

無視する
Meaning
to insult or ignore someone by treating them rudely
Example
He felt hurt when his invitation was snubbed.
彼は招待状が無視されたとき、傷ついたと感じた。
C1 adjective /ˈfɜːr.vənt/

fervent

情熱的な、熱心な
Meaning
having or showing intense passion or enthusiasm
Example
She gave a fervent speech about climate change.
彼女は気候変動について情熱的なスピーチを行った。
C1 noun /ʃraɪn/

Shrine

聖地; 神殿; 祈りの場
Meaning
a holy or sacred place dedicated to a specific deity, ancestor, hero, or saint
Example
Pilgrims visit the shrine to pray for good health.
巡礼者たちは健康を祈るために神殿を訪れます。
C1 adjective /bəˈroʊk/

baroque

バロック様式
Meaning
relating to a highly ornate and extravagant style of art, architecture, or music from the 17th and early 18th centuries; excessively elaborate or complex
Example
The church was decorated in a baroque style with intricate details.
教会はバロック様式で複雑な詳細で飾られていました。
C1 verb /ˈnɔːrməlaɪz/

normalize

正常化する
Meaning
to bring something back to a normal or standard condition; to make something conform to a standard
Example
The government took steps to normalize relations with neighboring countries.
政府は関係を正常化するための措置を取った。
C1 adjective /ˈɡʌsti/

gusty

風の強い
Meaning
characterized by strong, sudden bursts of wind
Example
It was a cold, gusty day by the sea.
海辺では寒くて風の強い日でした。
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 adverb /ʌnˈnætʃrəli/

unnaturally

不自然に
Meaning
in a way that is not natural or normal; excessively or strangely
Example
He smiled unnaturally, making everyone feel uncomfortable.
彼は不自然に笑い、皆を居心地悪くさせた。
C1 adjective /ˌʌnˈpɑr.də.nə.bəl/

Unpardonable

許されざる
Meaning
too bad to be forgiven; inexcusable
Example
His betrayal of trust was an unpardonable offense.
彼の裏切りは許されざる犯罪でした。
C1 verb /ˈbɒɡəl/

boggle

困惑させる
Meaning
to overwhelm or confuse; to be astonished or puzzled by something
Example
The complexity of the puzzle boggled his mind.
パズルの複雑さが彼の頭を困惑させた。
C1 noun /sɪˈkluːʒən/

seclusion

隠遁
Meaning
The state of being private, away from other people.
Example
She spent the weekend in complete seclusion in her cabin.
彼女はキャビンで完全に隠遁した週末を過ごしました。
C1 noun /ˌdɪsbɪˈliːvər/

disbeliever

不信者
Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
彼は伝統的な信仰を拒否したため、不信者と呼ばれました。
C1 adverb /ˈleŋθ.waɪz/

Lengthwise

長さに沿って; 最長の寸法に沿って
Meaning
in the direction of the length; along the longest dimension
Example
Fold the paper lengthwise to make it easier to carry.
紙を長さに沿って折りたたんで、持ち運びやすくします。
C1 noun /ˈpæn.θi.ən/

pantheon

すべての神々、すべての神々に捧げられた寺院
Meaning
All the gods of a religion collectively; a building dedicated to all gods.
Example
The Roman Pantheon is one of the best-preserved ancient temples.
ローマのパンテオンは最もよく保存されている古代の神殿の一つです。
C1 noun /meɪn/

mane

たてがみ
Meaning
the long hair growing on the neck of a horse, lion, or other animal
Example
The lion shook its thick mane proudly.
ライオンは誇らしげに太いたてがみを揺らした。
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

水文循環
Meaning
The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
Example
The hydrological cycle ensures continuous water movement in nature.
水文循環は自然界での水の連続的な動きを保証します。
C1 adjective /ˈdaʊ.ər/

dour

厳格
Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
彼の厳格な表情は会議を不快にした。
C1 verb /bɪˈhɛd/

behead

斬首する
Meaning
to cut off a person's or animal's head; to remove the leader or most important part
Example
The historical account describes how the traitor was beheaded as punishment.
歴史的記録は、罰として裏切り者が斬首された様子を描写している。
C1 verb /aɪˈdiː.ə.laɪz/

idealize

理想化する
Meaning
To regard or represent something as perfect or better than it really is.
Example
Children often idealize their parents.
子供たちはしばしば親を理想化します。
C1 noun /ˈsɜːrtʃɑːrdʒ/

surcharge

追加料金
Meaning
an additional charge or payment added to the usual cost
Example
The airline ticket had a fuel surcharge added to it.
航空券に燃料サーチャージが追加されていました。
C1 adjective /prɪˈzʌmp.tʃu.əs/

presumptuous

生意気な
Meaning
Overconfident, rude, or taking liberties without permission.
Example
It was presumptuous of him to make that decision without consulting others.
他が他の人と相談せずにその決定を下したのは生意気だった。
C1 noun /ˈkliː.vər/

Cleaver

大きな包丁
Meaning
a heavy knife with a broad blade used for chopping meat or vegetables
Example
The chef used a cleaver to chop the chicken bones.
シェフはチキンの骨を切るために大きな包丁を使いました。
C1 noun /ɪnˈsɜːʃən/

insertion

挿入
Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
新しいデータの挿入は成功裏に完了しました。
C1 noun /ˈdeɪˌbreɪk/

daybreak

夜明け
Meaning
The time in the morning when daylight first appears; dawn.
Example
They set out on their journey at daybreak.
彼らは夜明けに旅を始めました。
C1 noun /ˈpɪk.æks/

Pick-axe

ツルハシ
Meaning
a tool with a heavy metal head and long handle used for breaking up hard ground or rock
Example
The miner used a pick-axe to break through the rocky surface.
鉱夫は岩の表面を壊すためにツルハシを使用しました。
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 /ˈzɛsti/

zesty

スパイシー
Meaning
Having a strong, pleasant, and somewhat spicy flavor; full of energy and enthusiasm.
Example
The dish had a zesty flavor that everyone loved.
その料理は、みんなが好きなスパイシーな味がしました。
C1 noun /haɪˈpɒtənjuːs/

hypotenuse

斜辺
Meaning
the longest side of a right-angled triangle, opposite the right angle.
Example
In a right triangle, the hypotenuse is always longer than the other two sides.
直角三角形では、斜辺は常に他の二辺より長いです。
C1 adjective /ˈvɛnərəbəl/

Venerable

尊敬すべき; 立派な
Meaning
deserving respect due to age, wisdom, or character; revered
Example
The venerable professor has taught at the university for fifty years.
その尊敬すべき教授は大学で50年間教えてきました。
C1 noun, verb /məˈnuː.vər/

maneuver

Meaning
a planned or skillful movement or action; to move skillfully or carefully
Example
The pilot maneuvered the plane through the storm.
C1 adjective /ˈmɔːtəl/

Mortal

死すべき運命; 限られた寿命の; 人間
Meaning
subject to death; having a limited lifespan; human
Example
All human beings are mortal and will eventually die.
すべての人間は死すべき運命にあり、最終的に死ぬ。
C1 noun /ˈɡʌstoʊ/

gusto

熱意
Meaning
great enjoyment, energy, or enthusiasm in doing something
Example
She sang the song with great gusto.
彼女はその歌を熱意を持って歌った。
C1 adjective /ˌoʊvərˈbloʊn/

overblown

誇張された
Meaning
excessively exaggerated or inflated
Example
The controversy was overblown by the media.
メディアによって論争は誇張されました。
C1 noun /ˈdel.ɪ.kə.si/

Delicacy

繊細さ; 高級な料理;
Meaning
fineness of texture or structure; a choice or expensive food; sensitivity in handling
Example
The chef prepared a local delicacy that was famous throughout the region.
シェフは地域全体で有名な地元のデリカシーを準備しました。
C1 noun kənˈfɔː.mə.ti

conformity

順応、適合、従順
Meaning
Compliance with standards, rules, or laws. Behavior in accordance with socially accepted conventions.
Example
Strict conformity to the rules ensures order in society.
規則の厳格な順守は社会の秩序を保証します。
C1 adjective /ˈhɑːrdi/

hardy

頑丈, 強健
Meaning
Strong, robust, and capable of enduring difficult conditions.
Example
Hardy plants can survive the harsh winter.
頑丈な植物は厳しい冬を生き抜くことができます。
C1 verb /ɪnˈreɪdʒ/

enrage

怒らせる
Meaning
To make someone extremely angry.
Example
His unfair remarks enraged the audience.
彼の不公平な発言が観客を怒らせた。
C1 noun ˈsɒl.vən.si

solvency

負債を超える資産の所有; 借金を返済する能力
Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
会社のソルベンシーは再編成後に改善されました。
C1 noun /ˌɡaɪnəˈkɒlədʒi/

gynecology

婦人科
Meaning
the branch of medicine dealing with women's reproductive health
Example
She decided to specialize in gynecology after medical school.
彼女は医科大学を卒業した後、婦人科を専門にすることに決めました。
C1 noun /ˈaʊtˌkraɪ/

outcry

抗議
Meaning
A strong expression of public anger or disapproval.
Example
The decision sparked an outcry among the citizens.
その決定は市民の間で抗議を引き起こしました。
C1 verb /ˈɛkˌsaɪz/

excise

切除する
Meaning
to cut out or remove completely, often by surgery
Example
The surgeon excised the tumor successfully.
外科医は腫瘍を成功裏に切除しました。
C1 noun/verb /dɛnt/

dent

へこみ
Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
事故で車のドアにへこみが残りました。
C1 noun /pəˈlɪɡ.ə.mi/

Polygamy

ポリガミー
Meaning
the practice of marrying multiple spouses at the same time
Example
Polygamy is illegal in many countries around the world.
ポリガミーは世界の多くの国で違法です。
C1 verb /ˈɒp.tɪ.maɪz/

optimize

最適化する
Meaning
To make the best or most effective use of a situation, opportunity, or resource.
Example
The company is working to optimize its supply chain.
会社はサプライチェーンの最適化に取り組んでいます。
C1 adjective /kəmˈplaɪənt/

compliant

従順
Meaning
Willing to agree with or follow rules, requests, or demands.
Example
She was compliant with all the safety requirements.
彼女はすべての安全要件に従いました。
C1 noun /plæsˈtɪsəti/

plasticity

可塑性、適応能力
Meaning
the quality of being easily shaped or molded; adaptability
Example
The brain's plasticity allows it to adapt after injury.
脳の可塑性により、怪我の後に適応することができます。
C1 adjective /ɔːˈneɪt/

ornate

華やかな
Meaning
elaborately or highly decorated
Example
The palace hall was filled with ornate furniture and paintings.
宮殿のホールは華やかな家具と絵画でいっぱいだった。
C1 verb /dʒəʊlt/

jolt

衝撃
Meaning
to push or shake someone or something abruptly and roughly
Example
The sudden stop jolted all the passengers forward.
突然の停止で、すべての乗客が前方に押し出されました。
C1 adjective /ˌlaɪtˈhɑːrtɪd/

light-hearted

軽やかで無頓着な
Meaning
cheerful, carefree, and not serious
Example
She gave a light-hearted speech at the party.
彼女はパーティーで軽快なスピーチをしました。
C1 noun /mɔːrˈfɑːlədʒi/

morphology

形態学
Meaning
the study of the form and structure of things, especially in language and biology
Example
Morphology studies the structure of words and how they are formed.
形態学は、単語の構造とその形成方法を研究します。
C1 adjective /ʌnˈweɪ.vər.ɪŋ/

unwavering

揺るぎない
Meaning
Steady or resolute; not wavering.
Example
He showed unwavering dedication to his goal.
彼は目標に対する揺るぎない献身を示しました。
C1 noun /ˈtæn.ər/

tanner

皮革職人
Meaning
A person whose job is to tan animal hides to make leather.
Example
The tanner worked long hours to produce fine leather.
皮革職人は優れた革を作るために長時間働きました。
C1 adjective /həˈred.ɪ.ter.i/

Hereditary

遺伝的; 先祖から受け継がれた
Meaning
passed down through family genes; inherited from ancestors
Example
The hereditary disease was passed down through generations.
遺伝性疾患は世代を超えて受け継がれました。
C1 noun /pɒˈstɛrɪti/

posterity

後世
Meaning
All future generations of people.
Example
The monument was built for the benefit of posterity.
記念碑は後世のために建てられました。
C1 noun /ˌɒk.sɪ.dʒɪˈneɪ.ʃən/

oxygenation

酸素供給または治療
Meaning
The process of supplying or treating with oxygen.
Example
Deep breathing exercises improve oxygenation of the body.
深呼吸の練習は身体の酸素供給を改善します。
C1 adjective /ˌɪnəˈfɛnsɪv/

inoffensive

無害な
Meaning
Not likely to offend or provoke; harmless.
Example
His inoffensive remarks kept the conversation friendly.
彼の無害なコメントは会話を友好的に保ちました。
C1 adjective /mɪˈrækjələs/

Miraculous

奇跡的; 驚くべき; 非凡な
Meaning
supernatural; amazing; extraordinary
Example
Her miraculous recovery amazed all the doctors.
彼女の奇跡的な回復は、すべての医師を驚かせました。
C1 adjective /ˈteɪn.tɪd/

Tainted

汚染された; 汚れた
Meaning
contaminated or affected by something bad or undesirable
Example
The water supply was tainted with harmful chemicals.
水供給は有害な化学物質で汚染されていた。
C1 noun /pɛnˈtæθlɒn/

pentathlon

ペンタスロン
Meaning
An athletic contest featuring five different events.
Example
She trained hard to compete in the modern pentathlon.
彼女は現代五種競技に出場するために一生懸命訓練した。
C1 verb /rɪˈbʌf/

rebuff

拒絶する
Meaning
to reject or refuse in a sharp or abrupt way
Example
She rebuffed his invitation to dinner.
彼女はディナーの招待を断った。
C1 verb /ˈlɪtɪˌɡeɪt/

litigate

訴訟する
Meaning
to engage in legal proceedings or take a dispute to court
Example
The company decided to litigate the contract dispute.
その企業は契約の争いを訴えることに決めた。
C1 noun /ˈvɛriəns/

variance

分散
Meaning
the state of being different or inconsistent; in statistics, a measure of the spread between numbers
Example
There is a wide variance in students' performance levels.
学生のパフォーマンスレベルには大きな分散があります。
C1 noun /ˌloʊ.kəˈmoʊ.tɪv/

locomotive

機関車
Meaning
A powered rail vehicle used for pulling trains.
Example
The old steam locomotive was restored for the museum.
古い蒸気機関車は博物館のために修復されました。
C1 noun /mɔːˈtæləti/

mortality

死亡率
Meaning
the state of being subject to death; the death rate of a population
Example
Advancements in medicine have reduced child mortality significantly.
医療の進歩により、乳児死亡率が大幅に減少しました。
C1 adjective /miːk/

Meek

おとなしくて従順; 謙虚; 忍耐強い
Meaning
gentle and submissive; humble; patient
Example
Despite his power, he remained meek and humble.
力があっても、彼は謙虚で優しいままでした。
C1 adjective /ˈɡæstrɪk/

gastric

胃の / 胃の問題
Meaning
Relating to the stomach.
Example
She was prescribed medicine for her gastric problems.
彼女は胃の問題のために薬を処方されました。
C1 noun /ˈpluː.mɪdʒ/

plumage

羽毛
Meaning
the feathers covering a bird's body
Example
The peacock's plumage was vibrant and eye-catching.
クジャクの羽毛は鮮やかで目を引いた。
C1 adjective /ˈnjuː.tri.ənt dɛns/

nutrient-dense

栄養価が高い
Meaning
Rich in nutrients and high nutritional value.
Example
Organic food is often more nutrient-dense than processed food.
オーガニック食品は、加工食品よりも栄養価が高いことがよくあります。
C1 noun /ɡʌst/

Gust

突然の強風
Meaning
a sudden strong rush of wind; a sudden burst or outburst of feeling
Example
A powerful gust of wind knocked over the outdoor umbrellas at the cafe.
強い風がカフェの外のパラソルを倒しました。
C1 verb /ʌnˈmɑːsk/

unmask

正体を暴く
Meaning
to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something
Example
The investigation helped unmask the real culprit behind the crime.
その捜査は犯罪の背後にいる本当の犯人を暴いた。
C1 noun /ˈʌlsər/

ulcer

Meaning
a sore on the skin or a mucous membrane that does not heal easily
Example
The doctor prescribed medicine to treat the stomach ulcer.
C1 noun /ˌæntiˈklaɪmæks/

anticlimax

アンチクライマックス
Meaning
A disappointing end after a big build-up of excitement or expectation.
Example
The movie's ending was an anticlimax after such a thrilling story.
映画の終わりは、そんなにエキサイティングなストーリーの後のアンチクライマックスでした。