attrition
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C1 noun əˈtrɪʃ.ən

attrition

減耗
Meaning
The process of reducing something's strength or effectiveness through sustained attack or pressure.
Example
The company faced high employee attrition due to job dissatisfaction.
会社は仕事への不満により従業員の高い離職率に直面した。
A2 noun /əˈraɪvəl/

Arrival

到着; 到着の行為
Meaning
the action or process of arriving; the reaching of a destination
Example
The arrival of the train was delayed by two hours.
列車の到着は2時間遅れました。
A2 noun /ˈɔːtoʊ/

auto

オート
Meaning
A motor vehicle, especially a car.
Example
He drove his auto to the market.
彼はオートで市場に行きました。
B2 noun /əˌbriːviˈeɪʃən/

abbreviation

略語
Meaning
a shortened form of a word or phrase
Example
NASA is an abbreviation for National Aeronautics and Space Administration.
NASA は National Aeronautics and Space Administration の略語です。
B2 noun /ˈɔːltər/

Altar

祭壇
Meaning
a raised structure on which offerings or sacrifices are made to a deity
Example
The bride and groom stood before the altar during the ceremony.
新郎新婦は式の最中に祭壇の前に立っていました。
C2 verb /əbˈskɒnd/

abscond

密かに逃げる
Meaning
to leave secretly and quickly, often to avoid arrest or punishment
Example
The thief tried to abscond with the stolen jewelry.
泥棒は盗まれた宝石を持って逃げようとした。
B2 adjective /esˈθet.ɪk/

Aesthetic

美的
Meaning
Concerned with beauty or the appreciation of beauty.
Example
Good aesthetic design enhances product appeal.
良いアスセティックデザインは製品の魅力を高めます。
C2 noun /ænˈtɪpəθi/

antipathy

アンチパシー
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
二つの競争する企業の間に相互のアンチパシーがありました。
B2 noun /ˈæŋkər/

Anchor

アンカー
Meaning
a heavy object used to moor a vessel to the sea bottom; a person or thing that provides stability or confidence
Example
The ship dropped its anchor in the harbor.
船は港にアンカーを下ろしました。
C2 adjective /ɔːˈrɔːrəl/

auroral

オーロラに関連する
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
科学者たちは夜空でオーロラルの活動を観察しました。
B1 adjective /eɪdʒd/

aged

年老いた
Meaning
having lived for a specified number of years; old
Example
The aged man sat in the park, watching the children play.
年老いた男は公園に座り、子供たちが遊ぶのを見ていた。
C2 adjective /əˈsɜːrbɪk/

acerbic

辛辣
Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
彼の辛辣なコメントは会議で多くの人々を侮辱しました。
C2 noun /ˈɔːɡjʊri/

augury

前兆
Meaning
A sign or omen that is believed to predict future events.
Example
The dark clouds were seen as an augury of an approaching storm.
暗い雲は近づいている嵐の前兆として見られた。
C2 noun /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
A2 noun /ˈæŋ.ɡər/

Anger

怒り
Meaning
a strong feeling of annoyance, displeasure, or hostility
Example
His anger was evident when he slammed the door.
彼がドアを叩いたとき、彼の怒りは明らかだった。
C1 verb /əˈsæsɪneɪt/

assassinate

暗殺
Meaning
To murder someone important, often a political or religious leader, usually by surprise attack.
Example
The rebels planned to assassinate the king.
反乱者たちは王を暗殺する計画を立てた。
C1 adjective /ˈænsɪləri/

ancillary

補助的な
Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
その会社は医療業界に補助的なサービスを提供しています。
B2 noun /əˈtɒm.ɪk ˈhæb.ɪts/

atomic habits

アトミック・ハビッツ
Meaning
Small but powerful habits that can bring big changes over time
Example
Developing atomic habits leads to long-term success.
アトミック・ハビッツを育むことが長期的な成功に繋がる。
C1 noun /æbˈdʌk.ʃən/

abduction

誘拐
Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
警察は子供の誘拐事件を調査している。
A2 noun /əˈdʌlt/

Adult

成人; 大人
Meaning
a person who is fully grown or developed; mature
Example
Only adults are allowed to enter this area.
このエリアに入ることが許されているのは大人だけです。
C1 verb /ˈæn.ə.teɪt/

annotate

注釈を加える
Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
先生は学生に詩を解釈して注釈をつけるように頼みました。
B2 noun /ədˈmɪnɪstreɪtər/

administrator

Meaning
a person responsible for running or managing an organization or system
Example
The school administrator implemented new policies for students.
C2 adjective /əˈluːsɪv/

allusive

暗示的
Meaning
Making indirect references or hints; suggestive without being explicit.
Example
The novel is full of allusive passages that point to classical literature.
その小説は古典文学を指し示す暗示的な部分で満ちている。
C1 adjective /ænˈtɪriər/

anterior

前部の
Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
脳の前部は論理的思考を制御します。
C1 adjective, verb /ˈeɪlɪŋ/

ailing

病気の
Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
病気の患者は治療後、ゆっくり回復し始めた。
B2 noun (plural) /ˈɑːrtɪˌfæks/

artifacts

遺物
Meaning
objects made by humans, often of historical or cultural importance
Example
Archaeologists discovered valuable artifacts in the ruins.
考古学者たちは遺跡で貴重な遺物を発見しました。
B1 adverb /ˈæftərwərd/

afterward

その後
Meaning
at a later time; subsequently
Example
We went to dinner and watched a movie afterward.
私たちは夕食に行き、その後映画を見ました。
B1 noun /ˈɛər.kræft/

aircraft

航空機
Meaning
A vehicle, such as an airplane or helicopter, that can fly in the air.
Example
The military aircraft flew over the city.
軍用機が街の上を飛びました。
C2 adjective /ɔːˈrɪfərəs/

auriferous

金鉱を含む
Meaning
Containing or producing gold.
Example
The miners discovered an auriferous vein in the mountains.
鉱山労働者は山で金鉱を含む鉱脈を発見しました。
B1 noun /əˌsoʊsiˈeɪʃən/

association

協会
Meaning
an organized group of people who have joined together for a common purpose
Example
She is a member of the local teachers' association.
彼女は地元の教師協会のメンバーです。
B2 noun ˈæsɪd reɪn

acid rain

酸性雨
Meaning
Rainfall made acidic by atmospheric pollution, especially from industrial emissions.
Example
Acid rain damages crops and buildings.
酸性雨は作物や建物にダメージを与えます。
B2 noun ɔːˈtɒnəmi

autonomy

自律
Meaning
The right or condition of self-government; freedom from external control or influence.
Example
Autonomy was a primary demand.
自律は主要な要求でした。
B2 adjective /əˈstɒnɪʃt/

astonished

驚いた
Meaning
feeling very surprised or amazed
Example
She was astonished by the magician's incredible trick.
彼女はその魔術師の信じられない手品に驚いた。
C2 noun /ˈɔːldərmənʃɪp/

aldermanship

アルダーマンの職位
Meaning
The office, position, or dignity of an alderman.
Example
He was honored with aldermanship after years of service.
彼は多年の奉仕後、アルダーマンの職位を授与されました。
C2 noun ˈɔː.tɑː.ki

autarky

自給自足, 経済的独立
Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
いくつかの国は輸入への依存を減らすためにオータキーを目指しています。
C1 noun /əˈliː.dʒəns/

allegiance

忠誠
Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
兵士たちは自国に忠誠の誓いを立てます。
C2 noun (plural) /əˈspɜːr.ʒənz/

aspersions

中傷
Meaning
Critical or slanderous remarks; multiple attacks on reputation.
Example
The politician rejected the aspersions cast against him.
政治家は彼に対してなされた中傷を拒否した。
B2 adverb /əˈlɛdʒɪdli/

allegedly

伝えられたところによると
Meaning
used to say that something is claimed to be true, though not proven
Example
He was allegedly involved in the robbery.
彼は伝えられたところによると強盗に関与していた。
A2 noun /ˈæl.fə.bɛt/

alphabet

アルファベット
Meaning
a set of letters or symbols in a fixed order used to represent the sounds of a language
Example
Children usually learn the alphabet before learning to read words.
子どもたちはたいてい単語を読む前にアルファベットを学びます。
B1 noun /ˈæl.ɪ.ɡeɪ.tər/

Alligator

ワニ
Meaning
a large reptile similar to a crocodile but with a shorter, wider head
Example
The alligator basked in the sun on the riverbank.
ワニは川辺で日光浴をしていました。
C1 noun /ˈɑːr.tər.i/

Artery

動脈
Meaning
a blood vessel that carries blood away from the heart to other parts of the body
Example
The doctor checked the pulse in his artery.
医者は彼の動脈で脈拍を確認した。
B2 adjective /ænˈtɑːrktɪk/

antarctic

南極の
Meaning
relating to the region around the South Pole
Example
The Antarctic region is known for its extreme cold and icy landscapes.
南極地域はその極寒と氷のような景色で知られています。
C2 verb /əˈvʌls/

avulse

引き裂く
Meaning
to tear away or separate forcibly, especially in medical or geological contexts
Example
The surgeon had to avulse the damaged tissue during the operation.
外科医は手術中に損傷した組織を引き裂かなければならなかった。
C1 noun əˈtrɒs.ɪ.tiz

atrocities

残虐行為
Meaning
Extremely wicked or cruel acts, typically involving physical violence or injury.
Example
The atrocities shocked the international community.
その残虐行為は国際社会を震撼させた。
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

抗酸化物質
Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
緑茶には老化を遅らせる強力な抗酸化物質が含まれています。
C2 noun /əˈkjuːtnəs/

acuteness

鋭敏さ；深刻さ
Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
彼女の鋭敏さは他の人が見逃した細部に気づかせた。
C1 adjective /ɑːrˈkeɪn/

arcane

難解な
Meaning
understood by few; mysterious or secret
Example
The professor’s lecture was full of arcane details that only specialists could follow.
教授の講義は専門家だけが理解できるようなアーケインな詳細で満ちていました。
C2 adjective /æbˈstiːmiəs/

abstemious

節制
Meaning
not allowing oneself much food or drink; marked by moderation
Example
She lived an abstemious life, avoiding all luxuries.
彼女は節制した生活を送り、すべての贅沢を避けた。
C1 adjective /ɔːlˈmaɪ.ti/

Almighty

全能
Meaning
having unlimited power; omnipotent
Example
The almighty storm destroyed everything in its path.
その全能な嵐はその進路上のすべてを破壊しました。
C2 adverb /əˈθwɔːrt/

athwart

横断, 反対
Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
倒れた木が道路を横断して、交通を妨げていた。
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

後援
Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
会議は国連の後援の下で行われました。
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。
B2 verb /ˈæktɪveɪt/

activate

アクティベート
Meaning
to make something start or function
Example
She pressed the button to activate the machine.
彼女は機械を起動するためにボタンを押しました。
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。
A2 verb /əˈtend/

attend

参加する
Meaning
to be present at; to give attention to; to take care of
Example
I will attend the conference next week.
来週の会議に参加します。
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。
B2 adverb /ˈænjuəli/

annually

年次
Meaning
once every year; yearly
Example
The company holds a general meeting annually.
その会社は毎年年次総会を開きます。
C1 noun /ədˈhɪə.rəns/

adherence

遵守
Meaning
The practice of following or keeping to a rule, standard, or belief.
Example
Adherence to rules is crucial in any organization.
規則を遵守することは、どの組織においても重要です。
C2 verb /əˈbʌt/

abut

隣接する
Meaning
to be next to or share a border with
Example
The park abuts the river on the north side.
公園は北側で川と隣接しています。
B2 adjective /əˈpiː.lɪŋ/

Appealing

魅力的な; 面白い; 楽しい
Meaning
attractive; interesting; pleasing
Example
The colorful garden looks very appealing to visitors.
色とりどりの庭は訪問者に非常に魅力的に見えます。
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。
B2 adjective /ˈɑːrbɪˌtrɛri/

arbitrary

任意の
Meaning
based on random choice or personal whim, rather than reason or system
Example
The teacher's arbitrary grading upset many students.
教師の任意の採点は多くの学生を困らせました。
C1 adverb /əˈfrɛʃ/

afresh

再び
Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
失敗後、彼らは新たにプロジェクトを始めた。
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。
C2 noun /ˈɑːrbɪtər/

arbiter

仲裁者
Meaning
a person who has the authority to settle a dispute or decide an issue
Example
The principal acted as the arbiter in the conflict between the students.
校長は生徒間の対立で仲裁者として行動した。
C2 noun /əˈpɒθəˌkɛri/

apothecary

薬剤師
Meaning
A historical term for a person who prepared and sold medicines and drugs.
Example
The village apothecary provided remedies for many common illnesses.
村のアポセカリーは多くの一般的な病気に対する治療法を提供しました。
B2 adjective ədˈmɪn.ɪ.strə.tɪv

administrative

行政的
Meaning
Relating to the running of a business, organization, etc.; concerned with or relating to management or administration.
Example
Administrative reforms improve efficiency.
行政改革は効率を向上させます。
C2 noun /ˌæɡ.rəˈdeɪ.ʃən/

aggradation

堆積物によって土地が作られるプロセス
Meaning
The process of land being built up by sediment deposition.
Example
Aggradation helps in the natural expansion of riverbanks.
アグレデーションは河川の自然な拡張を助けます。
B2 verb /ˈænəlaɪz/

analyze

分析する
Meaning
to examine something in detail to understand it better or draw conclusions
Example
Scientists analyze data to discover new patterns.
科学者たちは新しいパターンを発見するためにデータを分析しています。
A1 determiner/pronoun /ˈɛni/

any

いずれかの
Meaning
one, some, or all, without specifying which
Example
Do you have any questions?
何か質問はありますか？
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。
B2 noun /əˈnælədʒi/

analogy

類推
Meaning
A comparison between two things for the purpose of explanation or clarification.
Example
The teacher used the analogy of a tree to explain the structure of an essay.
先生はエッセイの構造を説明するために木の類推を使いました。
C1 adjective /əˈbreɪsɪv/

abrasive

Meaning
harsh, rough, or capable of wearing down by rubbing
Example
His abrasive tone made everyone uncomfortable.
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。
C1 noun /ænˈθɒlədʒi/

anthology

アンソロジー
Meaning
A collection of literary works, such as poems, short stories, or essays, compiled into one volume.
Example
She contributed a poem to the new poetry anthology.
彼女は新しい詩のアンソロジーに詩を寄稿した。
C1 noun /ˈælɪɡəri/

allegory

寓話
Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
その小説は善と悪の闘争の寓話です。
C1 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

政治的でない
Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
彼女は政治的でない態度を保ち、仕事に集中することを好みます。
B2 noun, verb /ˈɑːrkaɪv/

archive

Meaning
A collection of historical documents or records; to store or preserve information for future use.
Example
The library decided to archive all the old manuscripts.
B2 verb /əkˈsɛləreɪt/

accelerate

加速する
Meaning
to increase speed or make something happen sooner
Example
The driver accelerated to overtake the truck.
運転手はトラックを追い越すために加速しました。
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

真正性
Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
文書の真正性が確認されました。
C2 adjective /ˌænθrəpəˈmɔːrfɪk/

anthropomorphic

擬人化
Meaning
attributing human characteristics to non-human things, like animals or objects
Example
The cartoon shows an anthropomorphic cat walking on two legs.
そのアニメでは、二本足で歩く擬人化された猫が登場します。
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。
B2 noun /ˈɑːrkaɪvz/

archives

アーカイブズ
Meaning
A place or collection where historical records and documents are stored.
Example
She visited the national archives to research her family history.
彼女は家族の歴史を調べるために国立アーカイブズを訪れました。
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。
C1 noun /əˈsɛsər/

assessor

評価者
Meaning
a person who evaluates or estimates the nature, ability, or quality of something
Example
An external assessor reviewed the project report.
外部の評価者がプロジェクトの報告書を確認しました。
B1 adverb /ˌɔːtəˈmætɪkli/

automatically

自動的に
Meaning
without human control or intervention; done by itself
Example
The door closes automatically after you enter.
ドアは自動的に閉まります。
B2 verb /əˈweɪt/

await

待つ
Meaning
to wait for someone or something; to expect
Example
We await your response with great anticipation.
私たちはあなたの返事を大きな期待を持って待っています。
C1 noun /ˈælɪbaɪ/

alibi

アリバイ
Meaning
A claim or piece of evidence that one was elsewhere when an act, typically a crime, was committed.
Example
She had a strong alibi that proved she was at the cinema during the theft.
彼女は盗難の際に映画館にいたことを証明する強力なアリバイを持っていました。
B1 verb /əˈproʊtʃ/

approach

近づく / 解決する
Meaning
to move closer to someone or something; to deal with a situation or problem
Example
The teacher approached the student to offer help.
教師は学生に近づいて助けを申し出た。
C2 noun /ˈænɪməlˌkjuːl/

animalcule

動物微生物
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
科学者は顕微鏡の下で動物微生物が動いているのを観察しました。
B2 noun /ˈæplɪkənt/

applicant

応募者
Meaning
a person who applies for something, such as a job or a position
Example
The applicant was interviewed for the position.
応募者はそのポジションのために面接されました。
B1 verb /əˈpruːv/

approve

承認する
Meaning
to officially agree to or accept something; to give permission
Example
The committee will approve the new policy tomorrow.
委員会は明日新しい方針を承認します。
A2 noun /ədˈvæn.tɪdʒ/

Advantage

利点; 利益
Meaning
a condition or circumstance that puts one in a favorable position; a benefit
Example
Having a college degree gives you an advantage in the job market.
大学の学位を持っていることは、就職市場で有利になります。
C2 verb /əˈsweɪdʒ/

assuage

和らげる
Meaning
To make an unpleasant feeling less intense; to ease or relieve.
Example
The kind words helped assuage her anxiety.
優しい言葉が彼女の不安を和らげるのに役立ちました。
B2 adjective /əˈtʃiːvəbl/

achievable

達成可能な
Meaning
Able to be brought about or reached successfully.
Example
Start with achievable steps to stay motivated.
達成可能なステップから始めて、モチベーションを保ちましょう。
A2 noun /æd/

ad

広告
Meaning
a notice or announcement in a public medium promoting a product, service, or event
Example
The company released a new ad for their smartphone.
会社はスマートフォンの新しい広告を公開しました。
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 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 /ˈæpəˌsteɪt/

apostate

背教者
Meaning
A person who renounces a religious or political belief or principle.
Example
He was labeled an apostate after abandoning the faith of his community.
彼は自分のコミュニティの信仰を捨てた後、背教者と呼ばれた。
B2 adverb /ˈɑːɡjuːəbli/

arguably

おそらく
Meaning
used to say that a statement is open to argument or is considered true by many people
Example
She is arguably the most talented player on the team.
彼女はおそらくチームで最も才能のある選手だ。
C1 noun /əˌsæsɪˈneɪʃən/

assassination

暗殺
Meaning
The act of killing someone important, often for political or ideological reasons.
Example
The assassination of the president shocked the nation.
大統領の暗殺は国全体を驚かせた。
B2 verb /əˈmend/

amend

修正する
Meaning
to make changes or corrections to improve something; to modify
Example
They amended the contract to include new terms.
彼らは契約を修正して新しい条項を追加しました。
C1 adjective /ˈærəbəl/

arable

耕作可能
Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
農家は作物を拡大するために耕作可能な土地を購入しました。
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

農業生態系
Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
健康な農業生態系は土壌の肥沃度を改善します。
C2 noun əˈlæk.rə.t̬i

alacrity

迅速で楽しい準備
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
彼はアラクリティで挑戦を受け入れた。
C1 noun /əˈlʌmnəs/

alumnus

卒業生
Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
彼はハーバード大学の卒業生です。
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。
B2 noun /ˈɑː.mənd/

Almond

アーモンド
Meaning
edible seed of the almond tree
Example
Almonds are a healthy snack rich in protein and good fats.
アーモンドは、タンパク質と良質な脂肪が豊富な健康的なスナックです。
B1 noun ˈɑːkɪtektʃə(r)

architecture

建築
Meaning
The art or science of designing and constructing buildings.
Example
Ancient architecture is fascinating.
古代の建築は魅力的です。
C1 noun /ˌæbəˈrɪdʒəniːz/

aborigines

アボリジニ
Meaning
The original inhabitants of a land, especially in Australia.
Example
The aborigines have preserved their traditions for thousands of years.
アボリジニーズは何千年もの間、彼らの伝統を守り続けてきました。
B1 noun /ˌæplɪˈkeɪʃən/

application

申請 / アプリケーション / ソフトウェア
Meaning
a formal request for something; the act of putting something into operation; or a software program
Example
She submitted her application for the scholarship.
彼女は奨学金の申請を提出しました。
A2 verb /əˈtrækt/

attract

引き付ける
Meaning
to cause someone to have interest or draw something towards
Example
The flowers attract bees with their bright colors.
花はその鮮やかな色で蜂を引き寄せます。
B2 adjective /əˈsɜːr.tɪv/

Assertive

自己主張の強い; 自信に満ちた
Meaning
confident and forceful; having a strong personality
Example
She is very assertive when speaking in meetings.
彼女は会議で話すとき、とてもアサーティブです。
B1 noun /ədˌmɪn.ɪˈstreɪ.ʃən/

Administration

行政; 管理
Meaning
the process of managing or organizing something; a government or organization
Example
The university administration announced new policies.
大学の行政は新しいポリシーを発表しました。
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。
B2 adjective /ˈæp.lɪ.kə.bəl/

applicable

適用可能
Meaning
Relevant or appropriate in a particular situation.
Example
This rule is applicable to eye care too.
このルールは目のケアにも適用されます。
C2 noun /əˈdʌltərənt/

adulterant

不純物
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
実験室はミルクのサンプルに不純物を発見しました。
C1 verb /ˈæn.ɛks/

annex

併合する
Meaning
To take control of a territory and add it to one's own.
Example
The empire annexed the neighboring kingdom after the war.
帝国は戦争後、隣国を併合した。
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 /əˈɡrɒnəmi/

agronomy

農業学
Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
農業学は土壌管理と作物生産に焦点を当てています。
C2 noun /ˈɑːrtɪfɪs/

artifice

策略
Meaning
clever or cunning devices or tricks used to deceive others
Example
The politician's charm was nothing but artifice.
その政治家の魅力は単なる策略にすぎなかった。