agglomerate
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C2 verb /əˈɡlɒməˌreɪt/

agglomerate

凝集する
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
埃の粒子がより大きな塊に集まり始めました。
C2 verb /əˈɡrɛs/

aggress

攻撃する
Meaning
to initiate an attack or show hostile behavior
Example
The army chose not to aggress without provocation.
軍隊は挑発なしに攻撃しないことを決定しました。
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

外来患者
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
その患者は外来患者で、安静が必要ありません。
C2 noun /ænˈtɪstrəfi/

antistrophe

アンチストロフィー (修辞法の一つ)
Meaning
A rhetorical device in which a word or phrase is repeated at the end of successive clauses; in Greek choral poetry, the part of the ode sung by the chorus in return movement.
Example
The poet used antistrophe to emphasize the repeated phrase.
詩人は繰り返されるフレーズを強調するためにアンチストロフィーを使用しました。
C2 noun /əˈfeɪ.ʒə/

aphasia

Meaning
a medical condition that causes loss of ability to speak or understand language
Example
After the stroke, she was diagnosed with aphasia.
C2 verb əˈtɛn.ju.eɪt

attenuate

和らげる
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
その薬は痛みを和らげるのに役立ちます。
C2 noun /əˈdɛndəm/

addendum

補遺
Meaning
an additional item or piece of information added at the end of a document or book
Example
The report included an addendum with updated statistics.
報告書には更新された統計データが含まれている補遺が含まれていた。
C2 noun /əˈdɛpt.nəs/

adeptness

熟練と巧妙さ
Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
交渉における彼の熟練さは、契約を成功裡に締結するのに役立った。
C2 noun /əˌpɒθiˈoʊsɪs/

apotheosis

頂点, 完璧な例
Meaning
The highest point of development; the perfect example of something; the elevation of someone to divine status.
Example
Many see the Renaissance as the apotheosis of art and culture in Europe.
多くの人々はルネサンスをヨーロッパの芸術と文化の頂点と見なしています。
C2 adjective /əˈsiːtɪk/

acetic

酢酸の
Meaning
relating to or containing acetic acid; sour or vinegary in taste or smell
Example
The acetic smell of vinegar filled the kitchen.
酢の酢酸の臭いが台所に広がった。
C2 noun əˈkjuː.ə.ti

acuity

鋭敏さ
Meaning
Sharpness or keenness of thought, vision, or hearing.
Example
His intellectual acuity made him a brilliant scientist.
彼の知的な鋭敏さは彼を優れた科学者にしました。
C2 verb /əˈkuːtə/

accoutre

装備する
Meaning
to dress or equip, especially in something impressive or elaborate
Example
The knight was accoutred in shining armor.
騎士は輝く鎧で装備されていました。
C2 verb /əˈbæʃ/

abash

困らせる
Meaning
to make someone feel embarrassed or ashamed
Example
Her sudden question seemed to abash him.
彼女の突然の質問は彼を困らせたようだ。
C2 noun /əbˈhɒrəns/

abhorrence

嫌悪
Meaning
a feeling of strong disgust or hatred
Example
He expressed his abhorrence of racial discrimination.
彼は人種差別に対する嫌悪を表明した。
C2 adjective, adverb /əˈfʊt/

afoot

進行中
Meaning
In progress; happening or being prepared.
Example
There are several new projects afoot in the company.
会社にはいくつかの新しいプロジェクトが進行中です。
C2 adjective /əˈsɪdjʊləs/

acidulous

やや酸っぱいまたは鋭い
Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
批評家は映画に対して鋭いレビューを書いた。
C2 noun /ˈæl.mɪ.rə/

Almirah

クローゼット
Meaning
a large cupboard or wardrobe used for storing clothes and other items
Example
I keep all my clothes in the wooden almirah.
私はすべての衣服を木製のアルミラーに保管します。
C2 noun /ˌæv.oʊˈkeɪ.ʃən/

avocation

副業
Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
絵画はオフィスの後の彼の副業です。
C2 noun /ˈæl.baɪt/

albite

Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

苦くて怒りに満ちた
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
論争は物議を醸す発言の後、アクリモニアスになった。
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

禁欲主義, 自制
Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
禁欲主義は歴史を通じて多くの宗教的伝統の一部でした。
C2 noun /ˈæn.dʒi.əʊ.plæs.ti/

angioplasty

血管を開くための医療手術で、心臓に血液を供給する血管が閉塞または狭窄している場合に行われます。
Meaning
A medical procedure to open blocked or narrowed blood vessels that supply blood to the heart.
Example
Angioplasty is now safer with robotic assistance.
ロボット支援で、アンジオプラスティは現在より安全です。
C2 noun /əˈrɔɪ.oʊ/

arroyo

乾いた小川
Meaning
A dry creek or stream bed that temporarily fills with water after heavy rain.
Example
After the storm, the arroyo quickly filled with rushing water.
嵐の後、小川は急速に水で満たされました。
C2 verb /əˈdʌltəreɪt/

adulterate

不正混入
Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
その会社は安価な化学物質で製品をアダルテレートしたため、罰金を科せられました。
C2 verb /ˈæntɪdeɪt/

antedate

前日付け
Meaning
to be earlier in time; to assign a date earlier than the actual one
Example
The manuscript antedates the modern printing press.
その原稿は現代の印刷機よりも前の時代にあります。
C2 adjective /ɑːrˈbɔːr.i.əl/

arboreal

樹木に関する
Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
サルは樹上性の動物で、ほとんどの時間を木の上で過ごします。
C2 noun /ˈædʒ.ə.tənt/

Adjutant

アジュタントコウ
Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
アジュタントコウは浅い水の中でじっと立っていました。
C2 noun /ˈɑːriə/

aria

ソロの歌唱曲
Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
ソプラノは第2幕で感動的なアリアを披露しました。
C2 noun /ˈɑːr.bɪ.trɑːʒ/

arbitrage

アービトラージ
Meaning
The simultaneous buying and selling of securities in different markets to take advantage of differing prices.
Example
Investors use arbitrage to make profits in global markets.
投資家はアービトラージを利用してグローバル市場で利益を得ます。
C2 verb /əˈbreɪd/

abrade

摩擦で擦り減らす
Meaning
to scrape or wear away the surface by friction or erosion
Example
The rough cloth can easily abrade the skin.
ザ・ラフクロスは皮膚を簡単に擦ります。
C2 verb /əˈbeɪs/

abase

卑下する
Meaning
to belittle or degrade someone
Example
He refused to abase himself before the king.
彼は王の前で自分を卑下するのを拒否した。
C2 adjective /ˈæb.ə.rənt/

aberrant

異常
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
彼の異常な行動は会議で誰もが驚かせた。
C2 verb /ˈæmərˌtaɪz/

amortize

償却
Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
彼らは20年間で住宅ローンをアモーティゼする予定です。
C2 adjective /əˈskjuː/

askew

傾いている
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
壁の絵は少し傾いていた。
C2 adjective /ˈeɪ.li.ə.nə.bəl/

alienable

譲渡可能
Meaning
Able to be transferred or surrendered, usually referring to rights or property.
Example
Property rights are alienable and can be sold or transferred.
財産権は譲渡可能で、売却または転送できます。
C2 verb /ˌæntɪˈsiːd/

antecede

前に来る
Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
短い紹介は通常、本文の前に来ます。
C2 adjective /ˌækwiˈɛsənt/

acquiescent

黙認
Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
彼は黙認の笑顔を見せて、計画に同意しました。
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

アサフェティダ
Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
アサフェティダを少し加えると、レンズ豆カレーに独特の風味が加わります。
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

アングロフォビア
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
その政治家は演説でアングロフォビアを促進したとして非難されました。
C2 verb əˈmiːljəreɪt

ameliorate

改善する, 向上させる
Meaning
To make better; improve or enhance something.
Example
The new policies are designed to ameliorate living conditions.
新しい政策は生活条件を改善するために設計されています。
C2 noun /əˈbrɪdʒmənt/

abridgment

要約版
Meaning
A shortened version of a larger work, such as a book or speech.
Example
The publisher released an abridgment of the lengthy novel for students.
出版社は学生のために長編小説の要約版を公開しました。
C2 noun /ˈeɪ.pi.ə.rɪst/

apiarist

養蜂家
Meaning
a person who keeps and tends bees for honey production
Example
The apiarist collected fresh honey from the hives.
養蜂家は巣箱から新鮮な蜂蜜を集めました。
C2 noun /əˈspɜːr.ʒən/

aspersion

中傷
Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
彼は彼女の性格に中傷をしました。
C2 noun /əˈmʊr/

amour

秘密の愛
Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
その小説は、二人の登場人物の間の禁じられたアムールの物語を語っています。
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C2 noun /ˈæntɪkwɛri/

antiquary

骨董品商
Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
アンティクアリーは中世の貴重な手稿を集めるのに何年も費やしました。
C2 verb /əˈkuːtər/

accouter

装備する
Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
兵士たちは完全な戦闘装備を整えていた。
C2 noun, verb /əˈfrʌnt/

affront

侮辱
Meaning
An action or remark that causes outrage or offense.
Example
He took her criticism as a personal affront.
彼は彼女の批判を個人的な侮辱と受け止めた。
C2 verb /ˈæbnɪˌɡeɪt/

abnegate

放棄する
Meaning
to deny or renounce something, especially a right or desire
Example
She chose to abnegate her personal interests for the sake of the team.
彼女はチームのために自分の個人的な利益を放棄することを選びました。
C2 adverb /əˈbæk/

Aback

驚いた
Meaning
by surprise; unexpectedly
Example
I was taken aback by his sudden announcement.
私は彼の突然の発表に驚きました。
C2 verb /ˈæmbl/

amble

ゆっくり歩く
Meaning
To walk at a slow, relaxed pace.
Example
They amble through the park on Sunday mornings.
彼らは日曜日の朝に公園をゆっくり歩いています。
C2 adjective /ˈæfəbəl/

affable

愛想の良い
Meaning
friendly, easy to talk to, and pleasant in manner
Example
He is such an affable host that everyone feels comfortable at his parties.
彼はとても愛想の良いホストで、誰もが彼のパーティーで快適に感じます。
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

融合, 合併, 統合
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
AIとビッグデータの融合は業界を変革しています。
C2 noun /əˈbluːʃən/

ablution

アブリューション
Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
彼は祈りの前に朝のアブリューションを行った。
C2 noun /ˌætəlˈjeɪ/

atelier

アトリエ(アーティストやデザイナーのスタジオ)
Meaning
A workshop or studio, especially for an artist or designer.
Example
The painter invited us to his atelier to view his new collection.
画家は私たちを彼のアトリエに招待し、新しいコレクションを見せてくれました。
C2 adjective /ˈæn.ə.daɪn/

anodyne

無害な、痛みを和らげる
Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
スピーカーの無害なコメントは論争を避けました。
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

厳粛なお願い
Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
神父は平和と団結のために厳粛なお願いをしました。
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

ワシの巣
Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
鷲は崖の上にあるその巣の近くに誇らしげに止まった。
C2 noun əˈdʒuː.dɪ.kə.tɪv ˈbɒd.i

adjudicative body

裁定機関
Meaning
An official organization that has the authority to judge disputes and make decisions.
Example
The adjudicative body deliberated on the case.
裁定機関はケースについて審議した。
C2 noun /ˈæpəˌlɔːɡ/

apologue

道徳的な物語
Meaning
a short moral story or fable intended to teach a lesson
Example
The teacher used an old apologue to explain honesty to the children.
教師は、子供たちに誠実さを説明するために古い道徳的な物語を使いました。
C2 noun /ˈændaɪərn/

andiron

木材を支える金属製のスタンド
Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
古い暖炉のアンダイロンの上に木材が置かれていた。
C2 noun /əˈluː.vi.əm/

alluvium

沖積土
Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
川の岸辺にあるアリューヴィウムは農業に非常に肥沃です。
C2 adverb /əˈsʌndər/

asunder

バラバラに
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
古代の帝国は戦争でバラバラにされてしまった。
C2 verb /ˈæktʃueɪt/

actuate

作動させる
Meaning
to put into action or motion; to motivate or activate
Example
The engineer actuated the machine with a simple switch.
エンジニアは簡単なスイッチで機械を作動させました。
C2 noun /ˈæstər/

Aster

アスターの花
Meaning
a flowering plant with daisy-like flowers that typically bloom in fall
Example
The purple asters bloomed beautifully in the autumn garden.
秋の庭で紫のアスターの花が美しく咲きました。
C2 adverb /əˈbɛd/

abed

ベッドで
Meaning
in bed
Example
She stayed abed all day due to illness.
病気のため、彼女は一日中ベッドで寝ていました。
C2 noun əˌten.juˈeɪ.ʃən

attenuation

減衰、減少、弱化
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
音波の減衰はコミュニケーションに影響を与えます。
C2 adjective /əˈstrɪndʒənt/

astringent

厳しい
Meaning
sharp or severe in manner or style; also describes a substance that contracts skin or body tissues
Example
Her astringent tone silenced the noisy class.
彼女の厳しい口調は、騒々しいクラスを静めた。
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

アジアドジョウウナギ
Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
アジアドジョウウナギは空気を吸い、浅い泥の水で生き残ることができます。
C2 adjective /ˈæbdʒɛkt/

abject

卑劣
Meaning
extremely bad, unpleasant, and degrading
Example
They lived in abject poverty.
彼らは卑劣な貧困の中で生きていました。
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

消化に関連する
Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
医者は消化管の役割について説明しました。
C2 noun /ˈæntɪk/

antic

ユーモア
Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
子供たちはクラウンのユーモアに笑いました。
C2 verb /ˌæd ˈlɪb/

ad-lib

即興
Meaning
to speak or perform without preparation; to improvise
Example
The comedian ad-libbed a joke when the microphone failed.
コメディアンはマイクの故障でジョークをアドリブしました。
C2 adjective /əˈkɪliən/

achillean

アキレス的
Meaning
like or characteristic of Achilles; strong but vulnerable
Example
His achillean pride made him blind to danger.
彼のアキレス的な誇りは彼を危険に対して盲目にした。
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
C2 noun /ˌæpəˈrɪʃən/

apparition

幻影
Meaning
A ghostly figure or an unusual or unexpected appearance.
Example
The children were frightened by the sudden apparition in the old house.
子供たちは古い家で突然現れた幻影に驚きました。
C2 noun /ˌær.əˈbesk/

arabesque

装飾的デザイン
Meaning
a complex, ornate design featuring intertwined flowing lines, often used in architecture or ballet poses
Example
The ceiling was decorated with delicate arabesque patterns.
天井は繊細なアラベスク模様で飾られていました。
C2 noun /əˈfleɪtəs/

afflatus

神の啓示
Meaning
a sudden divine inspiration or creative impulse
Example
The poet wrote the verses under a sudden afflatus of inspiration.
詩人は突然の神の啓示のもとで詩を書きました。
C2 noun /əˈpɜːrtənənsɪz/

appurtenances

付属物
Meaning
Additional items or accessories associated with something, often used in a legal or property context.
Example
The house was sold along with all its appurtenances, including the garage and garden.
その家は、ガレージや庭を含むすべての付属物と一緒に売られました。
C2 noun /ˈɔːrɪkl̩/

auricle

耳の外側部分
Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
医師は患者の耳の外側部分に感染の兆候がないか調べました。
C2 noun /əˈreɪ.bi.ən ˈdʒæz.mɪn/

Arabian Jasmine

アラビアジャスミン
Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
アラビアジャスミンはその甘い香りで庭を満たしました。
C2 noun /ˈɔːriˌoʊl/

aureole

オーラ
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
その絵は、聖人が頭の周りにオーラを持っているのを示していました。
C2 noun /əˈnɔɪnt.mənt/

anointment

塗油の儀式
Meaning
The act of anointing, usually with oil, as part of a ritual or ceremony.
Example
The anointment of the new leader was a sacred ritual.
新しいリーダーの塗油の儀式は神聖な儀式でした。
C2 noun /ˈeə.rəm/

Arum

アラム
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
アラムの葉はインディア料理でよく使われます。
C2 noun /ˌæbsəˈluːʃən/

absolution

免罪
Meaning
formal release from guilt, obligation, or punishment
Example
The priest granted him absolution for his sins.
神父は彼の罪を許しを与えました。
C2 noun, adjective /ˌæntiˌspæzˈmɒdɪk/

antispasmodic

抗痙攣薬
Meaning
A drug or agent that relieves or prevents muscle spasms.
Example
The doctor prescribed an antispasmodic to ease the pain.
医者は痛みを和らげるために抗痙攣薬を処方しました。
C2 noun /ˈæn.əlz/

annals

年鑑
Meaning
Historical records of events, usually arranged chronologically.
Example
Her name will be remembered in the annals of science.
彼女の名前は科学の年鑑に記録されるだろう。
C2 noun /ˈævərɪs/

avarice

強欲
Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
彼の強欲は彼を労働者を搾取することに導いた。
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
C2 noun /ˈæmjʊlət/

Amulet

お守り; タリスマン
Meaning
an ornament or small piece of jewelry thought to give protection against evil, danger, or disease
Example
She wore a silver amulet around her neck for good luck.
彼女は幸運のために首に銀のタリスマンを身につけていました。
C2 noun/adjective /ælˈbaɪ.noʊ/

albino

アルビノ (色素が欠けている人/動物)
Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
アルビノウサギは白い毛とピンクの目を持っていました。
C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

アンドロジナス
Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
ファッションショーではアンドロジナスなルックのモデルが登場しました。
C2 noun /ˌæbnɪˈɡeɪʃən/

abnegation

自己否定
Meaning
the act of renouncing or rejecting something, especially self-denial
Example
The monk’s life was one of complete abnegation of worldly pleasures.
僧侶の生活は世俗的な快楽の完全な自己否定でした。
C2 verb /əˈbrɪdʒ/

abridge

短縮する
Meaning
to shorten a text without losing its meaning
Example
The editor decided to abridge the long novel for young readers.
編集者は若い読者のために長編小説を短縮することに決めました。
C2 noun /æmˈbroʊʒə/

ambrosia

神の食べ物
Meaning
The food of the gods in classical mythology; something extremely pleasing to taste or smell.
Example
The dessert was so delicious that it tasted like ambrosia.
デザートはあまりにも美味しくて、アンブロージアのような味がしました。
C2 adjective /əˈpɒ.krɪ.fəl/

apocryphal

疑わしい
Meaning
Of doubtful authenticity, though widely circulated as true.
Example
The story about him saving the village is probably apocryphal.
彼が村を救ったという話は、おそらく疑わしい。
C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

適応
Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
登山者は高い標高に適応するために時間が必要でした。
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
C2 noun /ˌæpəˈleɪʃən/

appellation

名称 / タイトル
Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
その都市は「ビッグアップル」という名称を得ました。
C2 noun /ˈeɪ.viˌɛr.i/

aviary

鳥小屋
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
動物園はエキゾチックなオウムのために新しい鳥小屋を作った。
C2 noun /əˌkædəˈmɪʃən/

academician

学者
Meaning
a member of an academy; a scholar or expert in a field of study
Example
The academicians gathered to discuss the future of education.
学者たちは教育の未来について話し合った。
C2 noun, verb /ˈæseɪ/

assay

分析
Meaning
To test or analyze the quality, purity, or content of a substance; the act of such testing.
Example
The scientists assayed the mineral sample for gold content.
科学者たちは金の含有量を調べるために鉱物サンプルをアセイしました。
C2 adjective /ˌæntɪməˈrɪdiən/

antemeridian

昼前の時間
Meaning
Relating to the time before noon; occurring in the morning.
Example
She scheduled all her important meetings during the antemeridian hours.
彼女はすべての重要な会議を昼前の時間にスケジュールしました。
C2 verb /əˈdʒʊər/

adjure

誓約させる
Meaning
to urge or command someone solemnly, often under oath or a strong sense of duty
Example
The witness was adjured to tell the truth in court.
証人は法廷で真実を話すように命じられた。
C2 noun /ˈæpəˌθɛm/

apothegm

格言, 名言
Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
彼のスピーチは人生と成功に関する格言でいっぱいでした。
C2 adjective /ˌæntɪˈmʌndeɪn/

antemundane

世界創造前
Meaning
Existing or occurring before the creation of the world.
Example
Some myths speak of an antemundane chaos before order was established.
いくつかの神話では、秩序が確立される前のアンテムンダンの混乱について語られています。
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

偶発的
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
彼の成功は偶発的な状況による部分があった。
C2 adjective /ɔːˈɡʌst/

august

威厳
Meaning
Respected and impressive; inspiring reverence or admiration.
Example
The king entered the hall with an august presence.
王は威厳のある存在感でホールに入ってきた。
C2 noun /ˈɔːlmənæk/

almanac

年鑑
Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
彼は月の段階を確認するために年鑑を参照しました。
C2 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

対照的な
Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
彼の見解は組織の価値観と真逆でした。
C2 noun /əˈklɪvɪti/

acclivity

上り坂
Meaning
An upward slope or incline on the ground.
Example
The hikers struggled as they climbed the steep acclivity.
登山者たちは急な上り坂を登るときに苦労しました。
C2 noun /ɑːmz/

alms

施し
Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
僧侶は貧しい村人たちに施しを分け与えた。
C2 noun /ˈæsɪˌteɪt/

acetate

アセテート
Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
その会社は衣服用のアセテート繊維を生産しています。
C2 noun /ˈænθrəsaɪt/

anthracite

硬質石炭
Meaning
A hard, shiny form of coal that burns with little smoke and a high heat value.
Example
The factory used anthracite as its primary fuel source.
工場はアンブラサイトを主な燃料源として使用していました。
C2 noun /ˈætəvɪzəm/

atavism

先祖返り
Meaning
The recurrence of traits or characteristics from a remote ancestor.
Example
The scientist noted atavism in the child’s physical features.
科学者は子供の身体的特徴に先祖返りを観察しました。
C2 noun /ˌædjʊˈleɪʃən/

adulation

過度な賞賛
Meaning
excessive admiration or flattery
Example
The singer enjoyed the adulation of her fans.
歌手はファンたちの過度な賞賛を楽しんでいました。
C2 noun /ˈɑːrbərɪˌkʌltʃər/

arboriculture

樹木栽培
Meaning
the cultivation and management of trees and shrubs
Example
He studied arboriculture to improve urban green spaces.
彼は都市の緑地を改善するために樹木栽培を学びました。
C2 verb /ˈærəˌɡeɪt/

arrogate

不当な要求
Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
独裁者は不当な要求で全ての権力を自分のものにした。
C2 noun /ˈɔːtɑːrki/

autarchy

自給自足
Meaning
A system of self-sufficiency where a state or community is economically independent.
Example
The nation attempted autarchy to reduce reliance on imports.
その国は輸入依存を減らすために自給自足を試みました。
C2 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.