homeostasis
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
C2 noun /ˌhoʊ.mi.oʊˈsteɪ.sɪs/

homeostasis

体内の均衡、生理的過程によって維持される生理的安定性
Meaning
The tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Example
The human body maintains homeostasis through temperature regulation.
人間の体は温度調節によってホメオスタシスを維持します。
B2 noun ˈhæb.ɪt fɔːrˌmeɪ.ʃən

habit formation

習慣形成
Meaning
The process of creating a habit through regular practice and repetition.
Example
Habit formation requires consistency and discipline.
習慣形成には一貫性と規律が必要です。
A2 adjective /ˈhɔːrəbəl/

Horrible

恐ろしい; ひどい; 恐怖を引き起こす;
Meaning
causing or likely to cause horror; shocking; terrible; extremely unpleasant
Example
The accident was a horrible sight to witness.
その事故は目撃するには恐ろしい光景でした。
B2 adjective ˈhæzədəs

hazardous

危険な
Meaning
Dangerous, risky, or potentially harmful
Example
Hazardous pollutants increase health risks.
危険な汚染物質は健康リスクを増加させます。
C2 adjective /ˈhʌski/

husky

Meaning
deep, rough, and slightly hoarse voice; also refers to a strong and sturdy build
Example
He spoke in a husky voice after shouting all day.
B2 adjective /ˈhjuː.mɪd/

Humid

湿気のある; 湿った
Meaning
containing moisture; damp; moist;
Example
The humid climate makes it feel hotter than it actually is.
湿度の高い気候は、実際よりも暑さを感じさせます。
C2 noun /ˌɒnəˈreəriəm/

honorarium

謝礼
Meaning
A payment given for professional services that are rendered without a fee.
Example
The guest lecturer received an honorarium for her talk.
ゲスト講師は彼女の講演に対して謝礼を受け取った。
A1 noun /hoʊm/

home

家
Meaning
the place where one lives, especially with family; a residence
Example
She finally returned home after a long journey.
彼女は長い旅の後、やっと家に帰りました。
C2 adjective /ˌhɛtərəʊˈmɔːrfɪk/

heteromorphic

異形の
Meaning
Having different forms or shapes, especially in the same species or organism.
Example
Butterflies are heteromorphic during their life cycle, changing forms from larva to adult.
蝶々はそのライフサイクルの中で異形であり、幼虫から成虫に変化します。
B2 verb /hætʃ/

hatch

孵化する
Meaning
to emerge from an egg; to devise or create a plan
Example
The bird will hatch from its egg soon.
鳥はすぐに卵から孵化します。
C2 noun /haɪnd/

Hind

雌鹿
Meaning
a female deer, especially a red deer
Example
The hind protected her fawn from predators.
雌鹿は捕食者から子鹿を守りました。
C2 verb /ˈhɑːbəl/

hobble

よろけて歩く
Meaning
to walk awkwardly with difficulty, usually due to injury
Example
He hobbled across the room after twisting his ankle.
彼は足首をひねった後、部屋をよろよろと歩いた。
B1 noun /ˈhaʊzɪŋ/

housing

住宅
Meaning
buildings or structures where people live; accommodation
Example
The government is working to provide affordable housing for everyone.
政府はすべての人々に手頃な住宅を提供するために努力しています。
A2 verb /heɪt/

hate

憎む
Meaning
to feel intense dislike or aversion for someone or something
Example
I hate waiting in long lines.
私は長い行列で待つのが嫌いです。
C1 verb /ˈhɔːrɪfaɪ/

horrify

恐れさせる
Meaning
to fill with horror; to shock or disgust greatly
Example
The violent scene horrified the audience.
暴力的な場面が観客を恐れさせた。
C2 noun /ˈhɔːθɔːrn/

hawthorn

とげのある低木
Meaning
A thorny shrub or small tree with white or pink flowers, often used for hedges.
Example
The garden was lined with blooming hawthorn bushes.
庭園は花が咲くホーソーンの茂みで囲まれていました。
A1 interjection /haɪ/

hi

ハイ
Meaning
a friendly greeting used when meeting someone
Example
Hi, it's nice to meet you!
ハイ、会えてうれしいです！
C2 noun /ˈhɛklər/

heckler

野次を飛ばす人
Meaning
A person who interrupts a speaker with rude or aggressive comments.
Example
The politician remained calm despite the heckler shouting from the crowd.
政治家は群衆から叫んでいたヘクラーにもかかわらず冷静を保ちました。
C1 adjective /ˈhær.oʊ.ɪŋ/

harrowing

恐ろしいと苦しみを伴う
Meaning
extremely distressing or upsetting
Example
It was a harrowing experience to witness the accident.
事故を目撃することは恐ろしい経験だった。
A2 adjective /ˈhevi/

Heavy

重い
Meaning
having great weight; intense or severe
Example
The heavy suitcase was difficult to carry up the stairs.
重いスーツケースを階段で運ぶのは大変だった。
C2 noun /ˈhɪlək/

hillock

小山
Meaning
A small hill or mound.
Example
The children climbed up the grassy hillock to watch the sunset.
子供たちは夕日を見るために草で覆われた小山に登った。
B2 noun ˈhɛr.ɪ.tɪdʒ

heritage

遺産
Meaning
Property that is or may be inherited; something transmitted by or acquired from a predecessor; cultural traditions and practices that are passed down.
Example
Bangladesh has a rich cultural heritage.
バングラデシュには豊かな文化遺産があります。
B1 noun /hel/

Hell

地獄; 苦痛な状態; 極めて不快な経験
Meaning
a place regarded in various religions as a spiritual realm of evil and suffering; an extremely unpleasant experience
Example
Working in the factory during summer was absolute hell due to the extreme heat.
夏に工場で働くことは、極端な暑さのためにまさに地獄のようだった。
C2 adjective /ˌhæfˈhɑːr.tɪd/

halfhearted

やる気がない
Meaning
lacking enthusiasm or determination; unenthusiastic
Example
His halfhearted attempt to study did not bring good results.
彼のやる気がない勉強の試みは良い結果を生まなかった。
C2 verb /ˈhɛnˌpɛk/

henpeck

Meaning
To continually criticize, nag, or dominate (especially a husband).
Example
He felt henpecked by his overly controlling wife.
C1 noun /ˈhɔː.kər/

Hawker

屋台販売者
Meaning
a person who travels about selling goods, typically from door to door or on the street
Example
The hawker sold fresh fruits from his cart.
屋台販売者は彼のカートから新鮮な果物を売っていた。
C1 adjective /hɪpˈnɒtɪk/

hypnotic

催眠的な
Meaning
Producing sleep or a trance-like state; mesmerizing.
Example
The music had a hypnotic effect on the audience.
その音楽は聴衆に催眠的な効果を与えました。
B1 noun /hjuːˈmænɪti/

humanity

人間性
Meaning
the quality of being human; kindness or compassion towards others; all human beings collectively
Example
Kindness is one of the greatest expressions of humanity.
優しさは人間性の最も偉大な表現の一つです。
C2 adjective /ˈhaɪndmoʊst/

hindmost

最も後ろの
Meaning
Farthest back; last in position.
Example
The hindmost car in the convoy broke down first.
隊列で最も後ろの車が最初に壊れた。
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

六角形の
Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
アーティストは鏡のために六角形のフレームをデザインしました。
B2 adverb /ˈhev.ɪ.li/

Heavily

激しく; 強く
Meaning
with great weight; to a great degree; intensely
Example
It rained heavily throughout the night.
夜通し激しく雨が降った。
C1 adjective /hjuːˈmeɪn/

humane

人道的な
Meaning
Showing compassion or benevolence.
Example
The doctor provided humane treatment to the injured animals.
医者は怪我をした動物に人道的な治療を提供しました。
C2 verb /haɪ/

hie

急ぐ
Meaning
to go quickly; hasten
Example
He hied to the station to catch the train.
彼は電車に乗るために駅へ急いだ。
C2 noun /ˈhʌmbʌɡ/

humbug

詐欺, くだらないこと
Meaning
Deceptive or false talk or behavior; nonsense.
Example
He dismissed the idea as humbug.
彼はその考えをくだらないことだとして退けた。
C2 verb /haɪˈpɒθɪkeɪt/

hypothecate

Meaning
to pledge something, such as property, as security for a debt without giving up possession of it.
Example
The company hypothecated its assets to secure the loan.
C1 noun /ˈhiːdəˌnɪzəm/

hedonism

快楽主義
Meaning
The pursuit of pleasure and self-indulgence as the highest goal.
Example
The lifestyle of the rich is often criticized as pure hedonism.
金持ちのライフスタイルはしばしば純粋な快楽主義として批判されます。
B2 adjective /ˈhelp.ləs/

Helpless

無力; 助けがない; 脆弱
Meaning
unable to defend oneself or act without help; powerless; vulnerable
Example
The child felt helpless when lost in the crowded market.
その子供は混雑した市場で迷子になったとき、無力だと感じた。
B2 adjective /ˈhændi/

handy

使いやすい
Meaning
convenient to use or easily accessible; skillful with the hands
Example
This pocket knife is very handy when you go camping.
このポケットナイフはキャンプの時に非常に便利です。
C1 verb /ˈhæmpər/

hamper

妨げる
Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
強い雨が私たちの旅行計画を妨げました。
B2 adjective /ˈhek.tɪk/

Hectic

忙しい; 熱狂的; 活動的な
Meaning
very busy and full of activity; frantic; characterized by intense activity or excitement
Example
My schedule has been hectic lately with back-to-back meetings.
最近、私のスケジュールは立て続けの会議で忙しくなっています。
C2 noun /hæɡ/

Hag

魔女
Meaning
an ugly old woman, especially a vicious or malicious one; a witch
Example
In the fairy tale, the wicked hag lived alone in a cottage deep in the forest.
おとぎ話では、邪悪な魔女が森の奥深くの小屋に一人で住んでいた。
B2 adjective /ˈhevənli/

Heavenly

天のような; 神聖な; 美味しい
Meaning
relating to heaven; extremely pleasant or beautiful
Example
The chocolate cake had a heavenly taste that melted in my mouth.
チョコレートケーキは天のような味わいで、口の中で溶けました。
C1 adjective /ˈheɪt.fəl/

Hateful

憎しみの
Meaning
causing or deserving hatred; extremely unpleasant or offensive
Example
His hateful comments hurt everyone's feelings.
彼の憎しみを込めたコメントは皆の感情を傷つけました。
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 noun /ˈheɪl.stɔːrm/

Hailstorm

ひょうの嵐
Meaning
a violent storm with hail falling from the sky
Example
The hailstorm damaged many cars in the parking lot.
ヘイルストームは駐車場の多くの車に損害を与えました。
C1 adverb /ˈhɑr.tɪ.li/

Heartily

心から; 熱心に
Meaning
in a sincere and enthusiastic manner; wholeheartedly
Example
She heartily welcomed her guests to the party.
彼女は心からゲストをパーティーに迎えました。
B2 noun helθ ˈhæzərdz

health hazards

健康リスク
Meaning
Risks or dangers to physical health and well-being that can cause illness or injury.
Example
Plastic usage leads to significant health hazards.
プラスチックの使用は重大な健康リスクを引き起こします。
C2 noun /ˈhaɪərlɪŋ/

hireling

傭兵
Meaning
A person who works for payment only, often with little loyalty or principle.
Example
The mercenary was dismissed as just a hireling with no real loyalty.
傭兵は、忠誠心のないただのハイヤーリングとして解雇された。
B2 adjective /ˈhɑlːoʊ/

Hollow

空洞; 中身がない;
Meaning
having an empty space inside; lacking substance or meaning; insincere
Example
The hollow tree trunk provided shelter for small animals.
空洞の木の幹は小さな動物に避難場所を提供しました。
A2 noun /ˈhæn.dəl/

Handle

取っ手; 握り手; 扱う
Meaning
the part by which a thing is held, carried, or controlled; to manage or deal with something
Example
The suitcase has a sturdy handle that makes it easy to carry through the airport.
スーツケースには空港で運ぶのが簡単な丈夫な取っ手があります。
C1 adverb /ˈhʌŋ.ɡrə.li/

Hungrily

空腹で; 欲張って; 熱心に
Meaning
in a way that shows hunger; greedily; eagerly
Example
The dog ate hungrily after not eating for hours.
犬は数時間食べていなかった後、空腹で食べました。
C2 noun /ˈhɔːrs.liːt͡ʃ/

Horse-leach

馬のヒル
Meaning
a large species of leech that was traditionally used in veterinary medicine
Example
The veterinarian explained that horse-leach was once commonly used to treat horses.
獣医は、馬のヒルがかつて馬の治療に広く使われていたと説明しました。
B2 noun /ˈhɛdˌkwɔːrtərz/

headquarters

本社
Meaning
The main office or center of operations of an organization.
Example
The company’s headquarters is located in New York.
その会社の本社はニューヨークにあります。
A1 verb /hoʊp/

hope

希望する
Meaning
to expect and desire that something will happen
Example
I hope it doesn't rain tomorrow.
明日雨が降らないことを願っています。
C2 noun /ˈhɑːstəlri/

hostelry

宿泊施設
Meaning
An inn or lodging place, especially one for travelers.
Example
They stayed at a small hostelry near the mountains.
彼らは山の近くの小さな宿泊施設に泊まりました。
C2 noun /ˈhɔːtɪnəs/

haughtiness

傲慢
Meaning
The appearance or quality of being arrogantly superior and disdainful.
Example
His haughtiness made him unpopular among his peers.
彼の傲慢さは彼を同僚の中で不人気にしました。
C1 noun /ˈhɪp.ə.krɪt/

Hypocrite

偽善者; 嘘つき; 偽りの人
Meaning
a person who acts in contradiction to their stated beliefs or feelings; a pretender
Example
Don't be a hypocrite by demanding honesty from others while lying yourself.
他人に誠実を求めて自分は嘘をつくのは偽善者だ。
C2 verb /həˈræŋ/

harangue

長く情熱的な演説をする
Meaning
to deliver a long, passionate, and often angry speech
Example
The politician harangued the crowd for over an hour.
政治家は群衆に一時間以上も演説をしました。
C1 adjective /ˈhɛlθfəl/

healthful

健康的な
Meaning
Promoting good health; beneficial to health.
Example
A healthful diet includes fresh fruits and vegetables.
健康的な食事には新鮮な果物と野菜が含まれています。
C2 adjective /ˈhɔːri/

hoary

灰色の, 古い
Meaning
gray or white with age; very old and respected
Example
The hoary oak tree stood as a witness to centuries of history.
古いオークの木は何世代にもわたる歴史の証人として立っていた。
C1 noun /ˈhɛrəsi/

heresy

異端
Meaning
belief or opinion that goes against established religious doctrine or accepted beliefs.
Example
In medieval times, heresy was often punished severely.
中世では、異端はしばしば厳しく罰せられました。
C1 noun /ˈheɪvən/

haven

避難所
Meaning
a safe place or shelter
Example
The library became a haven for students during exams.
試験中、図書館は学生たちの避難所となった。
C1 noun /ˈhɛksəˌɡɒn/

hexagon

六角形
Meaning
A six-sided polygon.
Example
A honeycomb cell is shaped like a hexagon.
蜂の巣のセルは六角形をしている。
C2 noun /ˌhaɪdroʊˈfoʊbiə/

hydrophobia

水恐怖症
Meaning
Extreme or irrational fear of water; historically, another name for rabies.
Example
After being bitten by a stray dog, the man was treated for hydrophobia.
野良犬に噛まれた後、その男は水恐怖症の治療を受けました。
C2 noun /ˈhɜːrmɪtɪdʒ/

hermitage

隠遁所
Meaning
A secluded residence or retreat, often for a hermit or religious recluse.
Example
The monk spent years in a hermitage deep in the forest.
その僧侶は森の奥深くの隠遁所で数年間を過ごしました。
B2 noun /ˈhɔːr.ər/

Horror

ホラー; 恐怖; 嫌悪
Meaning
an intense feeling of fear, shock, or disgust; something that causes such feelings
Example
The survivors described the horror of the earthquake that destroyed their entire village.
生存者は、村全体を破壊した地震の恐怖を描写しました。
A2 noun /hɑːrt/

Heart

心臓
Meaning
the organ in the chest that pumps blood through the body; the center of emotions and feelings
Example
The doctor listened to my heart with a stethoscope.
医者は聴診器で私の心臓を聞きました。
C1 verb /həˈluːsɪneɪt/

hallucinate

幻覚を見る
Meaning
to see, hear, or sense things that are not actually present, often due to illness or drugs
Example
After taking the medicine, he began to hallucinate strange shapes.
薬を飲んだ後、彼は奇妙な形をハルシネイトし始めた。
C1 adjective /ˌhɑːrdˈhɑːrtɪd/

hard-hearted

冷徹
Meaning
showing no kindness or sympathy; cruel
Example
The landlord was hard-hearted and refused to help the poor family.
家主は冷徹で、貧しい家族を助けることを拒否しました。
B1 noun /ˈhaʊswaɪf/

housewife

主婦
Meaning
a married woman who manages a household and whose main occupation is caring for her family and home
Example
She chose to work as a housewife while raising her children.
彼女は子どもを育てるために主婦になることを選びました。
A1 adjective /hɒt/

Hot

熱い; 温かい; 焼けるような;
Meaning
having high temperature; warm; heated;
Example
The coffee is too hot to drink.
コーヒーは飲むには熱すぎる。
C2 adjective /ˈhæm ˌhændɪd/

ham-handed

不器用
Meaning
clumsy or inept in handling things or situations
Example
His ham-handed attempt to fix the computer made it worse.
彼の手際の悪い試みでコンピュータがさらに悪化しました。
C1 noun /ˈhed.weɪ/

Headway

進展; 前進; 発展
Meaning
forward movement or progress, especially when this is slow or difficult
Example
Despite the challenges, the research team made significant headway in developing the new vaccine.
挑戦にもかかわらず、研究チームは新しいワクチンの開発において重要な進展を遂げました。
C2 adjective /hɪk/

Hick

田舎者; 田舎の人
Meaning
unsophisticated person from a rural area; country bumpkin
Example
He had a hick accent from growing up in a small town.
彼は小さな町で育ったため、田舎者のアクセントがあった。
B2 verb /ˈhezɪteɪt/

hesitate

ためらう
Meaning
to pause before acting; to be uncertain about what to do
Example
Don't hesitate to ask for help.
助けを求めることを躊躇しないでください。
B2 noun, adjective /hjuːˌmænɪˈtɛəriən/

humanitarian

人道主義者
Meaning
A person who seeks to promote human welfare, or something relating to human welfare and compassion.
Example
The organization provides humanitarian aid to disaster victims.
その組織は災害の被害者に人道的支援を提供します。
C2 noun /hɜːrs/

Hearse

霊柩車;
Meaning
a vehicle for conveying the coffin at a funeral; a funeral car
Example
The black hearse slowly made its way to the cemetery, followed by a procession of mourners.
黒い霊柩車がゆっくりと墓地に向かい、その後ろに哀悼の列が続いていた。
C1 noun /haɪˈpɒθəsɪs/

hypothesis

Meaning
a proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Example
The scientist tested her hypothesis through multiple experiments.
C1 noun /ˈhɛzɪtənsi/

hesitancy

ためらい
Meaning
The tendency to pause or delay due to uncertainty or fear.
Example
His hesitancy in answering made everyone doubt his confidence.
彼の答えに対するためらいは、誰もが彼の自信に疑問を抱かせました。
A2 verb /hæŋ/

hang

掛ける
Meaning
to suspend or be suspended from above; to attach from a higher point
Example
I hang my coat on the hook.
私はコートをフックにかけます。
C2 adverb /hərˈmɛtɪkli/

hermetically

密封的に
Meaning
In a way that is completely airtight or sealed off.
Example
The jars were hermetically sealed to preserve freshness.
瓶は新鮮さを保つために密封的に封印されました。
A1 pronoun /hɜːrz/

hers

彼女の（女性の）物
Meaning
used to refer to something that belongs to or is associated with a female person previously mentioned or easily identified.
Example
That blue bag is hers.
その青いバッグは彼女のものです。
C1 noun /ˈhæm.lət/

Hamlet

小さな村
Meaning
a small rural settlement, smaller than a village; a small community
Example
The tiny hamlet nestled in the valley had only a dozen houses and one small church.
谷間にある小さな村には、家が12軒と小さな教会が1つだけあった。
A2 verb /ˈhɜːri/

hurry

急ぐ
Meaning
to move or act with great speed; to rush
Example
We need to hurry or we'll be late.
急がないと遅れちゃうよ。
C1 verb /hɔːl/

haul

引っ張る
Meaning
to pull or drag something heavy with effort
Example
The workers hauled the boxes into the truck.
作業員たちは箱をトラックに引きずり込んだ。
C1 noun /ˌhaɪ.roʊˈɡlɪf.ɪks/

hieroglyphics

ヒエログリフ
Meaning
a system of writing using pictures or symbols, used especially by ancient Egyptians
Example
The tomb walls were covered with Egyptian hieroglyphics.
墓の壁にはエジプトのヒエログリフが刻まれていた。
B2 adjective /hɑːrʃ/

Harsh

厳しい; 荒い; 残酷な; 厳格な
Meaning
unpleasantly hard or rough in texture; cruel or severe
Example
The teacher gave harsh criticism about my work.
先生は私の仕事に厳しい批評をしました。
B2 noun /ˈhɑːrvɪst/

harvest

収穫
Meaning
the process or period of gathering crops
Example
Farmers are busy during the rice harvest season.
農家は米の収穫の季節に忙しい。
A2 noun /hɛlθ/

health

健康
Meaning
The state of being free from illness or injury.
Example
Exercise is important for good health.
運動は良い健康のために重要です。
C1 noun /ˈhæŋ.ər/

Hanger

ハンガー
Meaning
a shaped piece of wood, plastic, or metal with a hook at the top, used to hang up clothes
Example
She hung her dress on a wooden hanger to prevent it from getting wrinkled.
彼女はドレスがしわにならないように木のハンガーに掛けました。
A2 verb /hiːt/

heat

加熱する
Meaning
to make or become hot or warm
Example
Please heat the soup before serving.
スープを提供する前に加熱してください。
C2 noun /ˈhaɪdrə/

hydra

ヒドラ
Meaning
a many-headed serpent in Greek mythology; a problem that seems to grow worse when attempts are made to solve it
Example
Corruption is like a hydra, hard to defeat completely.
汚職はヒドラのようで、完全に打ち負かすのは難しい。
A2 pronoun /hɜːrˈsɛlf/

herself

自分自身
Meaning
used to refer to a female person as the object of a verb or preposition when she is the subject
Example
She prepared the meal all by herself.
彼女は一人で食事を作った。
B2 noun /ˈhænd.fʊl/

Handful

ひとつかみ; 小さな数量や数; コントロールが難しいもの
Meaning
a quantity that fills the hand; a small number or amount; something difficult to control
Example
She grabbed a handful of nuts from the bowl before heading out for her walk.
彼女は歩きに出かける前に、ボウルからひとつかみのナッツをつかみました。
A2 noun ˈhɪs.tər.i

History

歴史
Meaning
The study of past events; a chronological record of events and heritage.
Example
The history of ancient civilizations fascinates scholars.
古代文明の歴史は学者たちを魅了します。
C1 adjective /hɜːrˈbɪv.ər.əs/

Herbivorous

草食性
Meaning
feeding on plants; plant-eating
Example
Cows are herbivorous animals that graze on grass.
牛は草食性の動物で、草を食べる。
C2 adjective/noun /ˌhaɪərəˈɡlɪfɪk/

hieroglyphic

ヒエログリフ的
Meaning
Relating to or written in hieroglyphs; symbols or writing that is difficult to understand.
Example
The archaeologists studied the hieroglyphic inscriptions carefully.
考古学者たちはヒエログリフ的な碑文を慎重に研究した。
A1 verb /hoʊld/

hold

持つ
Meaning
to grasp or carry something; to maintain a position
Example
Please hold my hand.
私の手を取ってください。
A1 noun /ˈhoʊmwɜːrk/

homework

宿題
Meaning
schoolwork that a student does at home
Example
I need to finish my math homework before dinner.
夕食前に数学の宿題を終わらせなければなりません。
B2 noun /ˈhæz.ərd/

Hazard

危険; リスク
Meaning
a danger or risk; something that poses a threat to safety
Example
Smoking is a serious health hazard that can lead to lung cancer and heart disease.
喫煙は深刻な健康リスクであり、肺癌や心臓病を引き起こす可能性があります。
C2 noun /ˌhaɪdrəˈstætɪks/

hydrostatics

静水力学
Meaning
The branch of science concerned with the mechanical properties of fluids at rest.
Example
Hydrostatics is essential in understanding how dams and reservoirs function.
静水力学はダムや貯水池の機能を理解するために不可欠です。
A1 pronoun /hɪm/

him

彼を
Meaning
Used to refer to a male person or animal already mentioned.
Example
I saw him at the park yesterday.
昨日公園で彼を見かけました。
B2 adjective /ˈhɑːrti/

Hearty

熱心で友好的; 豊富で栄養豊富
Meaning
enthusiastic and friendly; substantial and nourishing
Example
He gave us a hearty welcome when we arrived at his home.
彼は私たちが家に到着したとき、熱心な歓迎をしてくれました。
B2 noun, verb /ˈhɑːrbər/

harbor

Meaning
noun: a place on the coast where ships may find shelter; verb: to keep (a thought or feeling, often negative) in one's mind
Example
He continued to harbor resentment towards his former boss.
C1 noun /ˈhaɪbrɪd/

hybrid

ハイブリッド
Meaning
a mixture of two different things, often combining the best qualities of both
Example
The car is a hybrid that runs on both electricity and fuel.
その車は電気と燃料の両方で走るハイブリッド車です。
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

加水分解
Meaning
A chemical process that breaks down compounds by adding water, splitting complex molecules into simpler forms.
Example
Hydrolysis breaks down complex molecules into simpler forms.
加水分解は複雑な分子をより単純な形に分解します。
C2 noun /ˌhaɪdroʊməˈkænɪks/

hydromechanics

ハイドロメカニクス
Meaning
The study of the mechanical properties and behavior of fluids in motion and at rest.
Example
Hydromechanics provides the foundation for naval architecture.
ハイドロメカニクスは船舶建造の基盤を提供します。
B2 noun /həˈræsmənt/

harassment

嫌がらせ
Meaning
aggressive pressure or intimidation; unwanted and repeated behavior causing discomfort
Example
The company has a strict policy against workplace harassment.
その会社には職場でのハラスメントに対する厳しいポリシーがあります。
C1 noun /ˈhɛrətɪk/

heretic

異端者
Meaning
a person who holds beliefs that go against established religious teachings or accepted beliefs.
Example
The church declared him a heretic for his radical ideas.
教会は彼の過激なアイデアのために彼を異端者と宣言した。
A1 noun /help/

Help

助け; 支援
Meaning
the action of helping someone to do something; assistance or support
Example
The volunteer offered his help to carry the elderly woman's groceries to her car.
ボランティアは高齢女性の買い物を車に運ぶために助けを提供しました。
C2 verb /hjuː/

hew

切る
Meaning
To chop or cut something, especially wood or stone, with a tool.
Example
The workers hewed logs to build the cabin.
労働者たちは小屋を建てるために丸太を切った。
A2 noun /hɒt drɪŋk/

Hot-drink

ホットドリンク
Meaning
a warm or heated beverage consumed for refreshment or comfort
Example
I prefer a hot drink like tea or coffee in the morning.
朝にお茶やコーヒーなどのホットドリンクを好みます。
B1 adverb /ˌhæfˈweɪ/

halfway

途中で
Meaning
at or to a point equal in distance between two points
Example
We met halfway between the two towns.
私たちは二つの町の間の途中で会いました。
A1 pronoun /hɪz/

his

彼の
Meaning
belonging to or associated with a male person previously mentioned
Example
This is his book on the table.
これは彼の本です、テーブルの上にあります。
C2 adjective /ˈhed.i/

Heady

陶酔的
Meaning
having a strong or exhilarating effect; intoxicating; exciting
Example
The heady perfume of jasmine filled the garden.
ジャスミンの陶酔的な香りが庭に満ちていた。
C2 noun /ˈhoʊl.stər/

holster

ホルスター
Meaning
A holder or case for carrying a gun, typically worn on a belt or shoulder.
Example
The sheriff kept his revolver in a leather holster.
保安官は自分のリボルバーを革製のホルスターに入れておいた。
C2 noun /ˈhɛʃ.ən/

Hessian

ジュート布
Meaning
a strong coarse fabric made from jute or hemp, used for sacks and wrapping
Example
The farmer stored grain in hessian sacks.
農家はジュート布袋に穀物を保管していました。
B2 noun /ˈhɔːrmoʊn/

hormone

ホルモン
Meaning
a chemical substance produced in the body that influences how the body grows or functions
Example
Insulin is a hormone that controls blood sugar levels.
インスリンは血糖値をコントロールするホルモンです。
C2 noun /ˈhɒthɛd/

hothead

短気な人
Meaning
a person who acts quickly and without thinking when angry
Example
He is such a hothead that he often starts arguments.
彼は短気な人で、よく議論を始める。
B2 noun /hɔːk/

Hawk

鷹
Meaning
a bird of prey with broad wings and strong talons used for hunting
Example
The hawk soared high above the field hunting for prey.
鷹は獲物を探して畑の上を高く飛んだ。
C2 verb /ˈhɛktər/

hector

脅して話す
Meaning
To talk to someone in a bullying or intimidating way.
Example
The manager hectored the staff into working overtime.
マネージャーはスタッフに残業をさせるために脅しました。