hydrous
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C2 adjective /ˈhaɪdrəs/

hydrous

含水
Meaning
Containing water, especially water of crystallization.
Example
The mineral is hydrous because it contains water molecules in its structure.
その鉱物は水分を含んでいるため、構造内に水分子を含んでいます。
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。
A1 interjection /həˈloʊ/

hello

ハロー
Meaning
a greeting or expression used when meeting someone or starting a conversation
Example
She answered the phone with a cheerful hello.
彼女は電話を取って、元気にハローと言った。
B1 adjective /ˈhɪd.ən/

Hidden

隠れた; 秘密の; 見えない
Meaning
concealed from view; kept secret; not visible or apparent
Example
There was a hidden camera in the room.
部屋には隠れたカメラがありました。
B2 adjective /ˈhɜː.bəl/

herbal

ハーバル
Meaning
Made from or containing herbs, especially for medicinal purposes.
Example
Herbal remedies were widely used here.
ここではハーバル療法が広く使われていました。
B2 noun /hɪˈstɔːriən/

historian

歴史学者
Meaning
a person who studies or writes about history
Example
The historian gave a lecture on ancient civilizations.
歴史学者は古代文明について講義を行いました。
A2 adjective /ˈhɛl.θi/

healthy

健康な
Meaning
Good physical and mental condition, free from disease or illness.
Example
Regular exercise and a balanced diet keep the body healthy.
定期的な運動とバランスの取れた食事が体を健康に保つ。
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 adjective /haɪˈbɜːrnəl/

hibernal

Meaning
Relating to or occurring in winter.
Example
The hibernal season is often harsh in the mountains.
B2 noun /haɪˈdreɪʃən/

hydration

身体組織に適切な量の液体を提供するプロセス。
Meaning
The process of providing an adequate amount of liquid to bodily tissues.
Example
Proper hydration is essential for maintaining body functions.
適切な水分補給は、体の機能を維持するために重要です。
B2 adjective /ˈɒnərəbəl/

honourable

名誉ある
Meaning
deserving respect or admiration because of moral integrity; showing honesty and fairness
Example
She is known as an honourable leader who always keeps her promises.
彼女は常に約束を守る名誉ある指導者として知られている。
C1 noun ˈhɛroʊˌɪzəm

heroism

英雄主義
Meaning
Great bravery; the qualities or attributes of a hero.
Example
The heroism of freedom fighters inspires the nation.
自由の戦士たちの英雄主義は国を鼓舞します。
A2 adjective /ˈɑːnɪst/

honest

正直
Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
彼女は誠実で信頼できる人物として知られています。
C2 adjective /ˌhaɪ ˈfloʊn/

high-flown

高飛車な
Meaning
Using fancy or pretentious language; lofty in style but often overblown.
Example
The politician gave a high-flown speech full of promises.
その政治家は約束でいっぱいの高飛車なスピーチをした。
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。
B2 noun /heə(r)/

Hare

野ウサギ
Meaning
a fast-running long-eared mammal that resembles a large rabbit
Example
The hare quickly ran across the field.
その野ウサギはフィールドを素早く走りました。
C2 noun /ˈhæbɪtjuːd/

habitude

習慣、慣習
Meaning
a customary condition or mode of life; habitual practice
Example
He lived in a quiet habitude, avoiding the noise of the city.
彼は静かな習慣の中で暮らしていた、都市の騒音を避けながら。
A2 noun /ˈhɛlɪˌkɒptər/

helicopter

ヘリコプター
Meaning
an aircraft with rotating blades that can take off and land vertically
Example
The helicopter landed safely on the hospital roof.
ヘリコプターは病院の屋上に安全に着陸しました。
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 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。
C2 noun /ˈhɛptəˌɡɒn/

heptagon

七角形
Meaning
A polygon with seven sides and seven angles.
Example
The math teacher drew a heptagon on the board.
数学の先生は黒板にヘプタゴンを描きました。
A2 verb /hʌnt/

hunt

狩り
Meaning
to chase and kill wild animals; to search for something
Example
The tigers hunt their prey at night.
トラは夜に獲物を狩ります。
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。
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。
C1 adjective /ˈheɪ.nəs/

Heinous

凶悪
Meaning
extremely wicked or evil; abominable; morally reprehensible
Example
The heinous crime shocked the entire community.
その凶悪な犯罪はコミュニティ全体を衝撃を与えた。
C1 noun /ˈhaɪndsaɪt/

hindsight

後知恵
Meaning
Understanding of a situation only after it has happened.
Example
With the benefit of hindsight, we realized the decision was a mistake.
後知恵で、私たちはその決断が間違いだったことに気づきました。
C1 noun /ˈhɑː.stɪdʒ/

Hostage

人質
Meaning
a person seized or held as security for the fulfillment of a condition; captive
Example
The police negotiated carefully to secure the release of all hostages unharmed.
警察は慎重に交渉し、すべての人質を無傷で解放することを確保しました。
B2 verb /hɔːnt/

haunt

悩ませる
Meaning
to trouble persistently; to visit as a ghost
Example
The old memories still haunt me.
古い記憶は今でも私を悩ませている。
C1 noun /ˈherən/

Heron

サギ
Meaning
large wading bird with long legs and neck that feeds on fish
Example
The heron stood motionless by the water's edge, waiting for fish.
サギは水辺でじっとして、魚を待っていました。
C2 noun /hoʊ/

Hoe

クワ
Meaning
a gardening tool with a thin metal blade used for breaking up soil and removing weeds
Example
The farmer used a hoe to remove weeds from his vegetable garden.
農夫は野菜畑から雑草を取り除くためにクワを使いました。
A1 verb /hæv/

have

持っている
Meaning
to possess, own, or hold
Example
They have three children.
彼らは三人の子供がいます。
C2 adjective /həˈmɑː.lə.ɡəs/

homologous

同源 (構造)
Meaning
Having the same relation, relative position, or structure, especially due to evolutionary origin.
Example
The wings of bats and the arms of humans are homologous structures.
コウモリの翼と人間の腕は同源の構造です。
B1 verb /ˈɒnər/

honour

敬う
Meaning
to show respect; to keep a promise
Example
We honour our veterans for their service.
私たちは退役軍人をその奉仕のために敬意を表します。
A1 adjective /ˈhæpi/

happy

幸せ
Meaning
feeling or showing pleasure, contentment, or joy
Example
She was very happy to receive the gift.
彼女はプレゼントをもらってとても幸せでした。
B1 adjective /ˈhæn.səm/

handsome

Meaning
attractive in appearance, usually referring to men; also can mean generous or impressive in size.
Example
He looked very handsome in his new suit.
C2 noun /hɑrˈmoʊniəm/

Harmonium

ハーモニウム
Meaning
a keyboard musical instrument similar to an organ, using air to produce sound
Example
She played devotional songs on the harmonium at the temple.
彼女は寺院でハーモニウムを使って祈りの歌を演奏した。
C2 noun /ˌhoʊmə.dʒəˈniːəti/

homogeneity

Meaning
The quality or state of being all the same or all of the same kind.
Example
The cultural homogeneity of the village made it feel unified.
A1 noun /hænd/

Hand

手
Meaning
the end part of a person's arm beyond the wrist, including the palm, fingers, and thumb
Example
He raised his hand to ask a question.
彼は質問をするために手を上げました。
C1 noun /haɪˈeɪtəs/

hiatus

中断
Meaning
A pause or break in continuity of a process or activity.
Example
The show returned after a long hiatus.
ショーは長い中断の後、再び始まりました。
B2 adjective /ˈhez.ɪ.tənt/

Hesitant

ためらう; 不確か; 気が進まない
Meaning
uncertain or unwilling to act; showing doubt or reluctance
Example
She was hesitant to accept the job offer.
彼女は仕事のオファーを受け入れることに躊躇していた。
A2 adjective /hjuːdʒ/

huge

巨大な
Meaning
extremely large in size or amount
Example
The stadium was filled with a huge crowd.
スタジアムは巨大な群衆で埋め尽くされていました。
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 adjective /ˌhaɪ.drəˈpɒn.ɪk/

hydroponic

ハイドロポニック
Meaning
Relating to the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil.
Example
Hydroponic farming allows crops to grow without soil.
水耕栽培は、土なしで作物を育てることを可能にします。
C2 noun /ˈhæknɪ/

hackney

貸し馬, 陳腐な
Meaning
a horse kept for ordinary riding or hire; also used for something overused or trite
Example
The old hackney was still pulling the carriage.
その古い貸し馬は今でも馬車を引いていた。
C1 adverb /ˈhɒtli/

hotly

激しく
Meaning
in an intense, angry, or passionate way
Example
She hotly denied the accusations.
彼女はその告発を激しく否定した。
B2 noun hɛdʒ

hedge

ヘッジ戦略
Meaning
A way of protecting oneself against financial loss or other adverse circumstances.
Example
Investors use hedging strategies to protect against market volatility.
投資家は市場の変動から守るためにヘッジ戦略を使用します。
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。
B2 noun ˈhoʊmˌskuː.lɪŋ

homeschooling

ホームスクーリング
Meaning
The practice of educating children at home rather than sending them to a school.
Example
Homeschooling allows parents to tailor education to their child's needs.
ホームスクーリングは、親が子供のニーズに合わせて教育を提供することを可能にします。
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。
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 adjective /ˈhʌm.bəl/

Humble

謙虚
Meaning
modest; not proud; unassuming;
Example
Despite his success, he remained humble and kind.
彼の成功にもかかわらず、彼は謙虚で親切だった。
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 noun /ˈhen.ə/

Henna

ヘンナ
Meaning
a reddish-brown dye made from the powdered leaves of a tropical shrub, used to color hair and decorate skin
Example
The bride's hands were beautifully decorated with intricate henna patterns for her wedding ceremony.
花嫁の手は、彼女の結婚式のために精巧なヘンナの模様で美しく飾られていました。
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。
B2 noun /ˈher ˌpɪn/

Hair pin

ヘアピン
Meaning
a thin piece of metal or plastic used to hold hair in place
Example
She used several hair pins to secure her elegant updo.
彼女はエレガントなアップスタイルを固定するためにヘアピンをいくつも使った。
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。
C2 adjective /heɪl/

hale

健康
Meaning
strong and healthy, especially of an elderly person
Example
Despite his age, the man remained hale and active.
年齢にもかかわらず、その男性は元気で活動的でした。
C2 noun /hɔːɡ plʌm/

Hog plum

ホッグプラム
Meaning
tropical fruit with yellow skin and sour taste
Example
Hog plums are often used to make pickles and chutneys.
ホッグプラムはよくピクルスやチャツネを作るために使われます。
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！
B2 verb /hɔːlt/

halt

停止する
Meaning
to stop or bring to a stop
Example
The train suddenly halted at the station.
電車は駅で突然止まりました。
B2 noun ˈhɑːrvɪstɪŋ

harvesting

収穫
Meaning
The process of gathering a ripe crop from the fields or collecting natural resources.
Example
Unregulated harvesting affects the biodiversity of oceans.
規制されていない収穫は海洋の生物多様性に影響を与えます。
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。
A2 adverb, conjunction /haʊˈɛvər/

however

しかし
Meaning
used to introduce a statement that contrasts with or seems to contradict something previously said
Example
The journey was long; however, it was enjoyable.
旅は長かった; しかし、それは楽しかった。
A1 adverb /haʊ/

how

どう
Meaning
in what way or manner; by what means
Example
How do you solve this problem?
この問題をどう解決しますか？
C1 noun /ˈɛər.luːm/

heirloom

遺産
Meaning
a valuable object that has belonged to a family for several generations
Example
The ring is a family heirloom passed down from her grandmother.
その指輪は祖母から受け継がれた家族の遺産です。
B2 noun /ˈhaʊs boʊt/

House boat

ハウスボート
Meaning
a boat that has been designed or modified to be used primarily as a home
Example
They spent their vacation on a beautiful house boat in the lake.
彼らは湖の美しいハウスボートで休暇を過ごしました。
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。
C1 verb /ˈhaɪtən/

heighten

高める
Meaning
to make or become greater in intensity or degree
Example
The announcement served to heighten the excitement in the room.
その発表は部屋の興奮を高めるために役立ちました。
B2 noun /heɪ/

hay

干し草
Meaning
grass that has been cut, dried, and stored for use as animal feed
Example
The cows were eating hay in the barn.
牛たちは納屋で干し草を食べていました。
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。
C2 verb /həˈbɪtʃuˌeɪt/

habituate

習慣づける
Meaning
to make someone accustomed to something
Example
The monks habituated themselves to meditation.
僧侶たちは瞑想に慣れました。
C2 noun /ˈhoʊʒəri/

hosiery

靴下や足用の衣類
Meaning
Stockings, socks, and other knitted clothing for the legs and feet.
Example
She bought new hosiery for the winter season.
彼女は冬のシーズン用に新しいホジエリーを買いました。
C2 noun /haɪˈdrɒmɪtər/

hydrometer

Meaning
An instrument used to measure the density or specific gravity of liquids.
Example
The brewer used a hydrometer to test the sugar content of the solution.
B2 noun /ˈhæn.di.krɑːft/

Handicraft

手工芸
Meaning
an activity involving the making of decorative domestic or other objects with the hands; handmade artistic work
Example
The local market featured beautiful handicrafts made by skilled artisans from the region.
地元の市場では、その地域の熟練した職人によって作られた美しい手工芸が展示されていました。
A1 noun /ˈhɒlɪdeɪ/

holiday

休暇
Meaning
A day of celebration or rest when most people do not work.
Example
We are planning a trip during the summer holiday.
私たちは夏休みの間に旅行を計画しています。
B2 verb /ˈhʌvər/

hover

空中で一箇所に留まる、前後に動かない
Meaning
to remain in the air in one place without moving forward or backward
Example
The helicopter hovered over the city.
ヘリコプターは街の上空で浮かんでいました。
C1 noun/verb /hɛm/

hem

布の裾
Meaning
the edge of a piece of cloth that is folded and sewn; to fold and sew the edge of cloth
Example
She hemmed the dress to make it shorter.
彼女はドレスを短くするためにヘムドしました。
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。
C1 noun /ˈhaɪ.drəʊˌpaʊər ˌdʒen.əˈreɪ.ʃən/

hydropower generation

水力発電
Meaning
The production of electrical power through the use of the gravitational force of falling or flowing water.
Example
Hydropower generation promotes green energy.
水力発電はグリーンエネルギーを促進します。
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。
B2 adjective /ˈhjuː.mər.əs/

Humorous

ユーモアのある; 面白い; 笑いを引き起こす;
Meaning
funny; amusing; causing laughter;
Example
His humorous stories always make everyone laugh.
彼のユーモラスな話はいつも皆を笑わせる。
C2 noun /hɪˈdʒɛməni/ or /ˈhɛdʒəmoʊni/

hegemony

覇権
Meaning
leadership or dominance, especially by one state or group over others
Example
The empire maintained its hegemony over neighboring states.
帝国は隣国に対してその覇権を維持した。
C1 adjective /ˌhɒməˈdʒiːniəs/

homogeneous

均一な、同質な
Meaning
Of the same kind; alike.
Example
The team was not homogeneous in their skills.
チームはそのスキルにおいて均一ではなかった。
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 noun /ˈhɑːr.mə.ni/

harmony

調和
Meaning
A pleasing combination of different elements or a state of peaceful coexistence.
Example
A society thrives when there is harmony among its people.
社会は人々の間に調和があると繁栄します。
C1 noun /ˈhɑː.mɪ.saɪd/

Homicide

殺人
Meaning
the deliberate and unlawful killing of one person by another; murder
Example
The detective was assigned to investigate the homicide that occurred downtown last night.
探偵は昨晩市内で発生した殺人事件の調査を担当しました。
A1 noun, verb /hɛd/

head

頭 / リーダー
Meaning
The upper part of the human body or to lead or be in charge of something.
Example
She turned her head to look out the window.
彼女は窓の外を見るために頭を回した。
A2 noun /hɔːl/

Hall

ホール; 廊下
Meaning
a large room for meetings, concerts, or other events; a corridor in a building
Example
The graduation ceremony was held in the main hall of the university.
卒業式は大学のメインホールで行われました。
B1 noun /ˈhɪr.ɪŋ/

Hearing

聴力; ヒアリング
Meaning
the faculty of perceiving sounds; a session in which testimony and arguments are heard
Example
The elderly man's hearing had deteriorated, so he needed to wear a hearing aid.
高齢者の聴力は低下していたので、補聴器を使う必要があった。
C1 noun /ˈhɒməˌfoʊn/

homophone

同音異義語
Meaning
A word that is pronounced the same as another word but differs in meaning, and often spelling.
Example
The words 'pair' and 'pear' are homophones.
「pair」と「pear」の単語は同音異義語です。
C2 verb /ˈhɜːrtl/

hurtle

猛スピードで進む
Meaning
To move or cause to move at great speed, often in a dangerous way.
Example
The car hurtled down the mountain road.
車は山道を猛スピードで下っていました。
B2 adjective haɪˈdʒiː.nɪk

hygienic

Meaning
Conducive to maintaining health and preventing disease, especially by being clean.
Example
Maintaining hygienic conditions in hospitals is crucial.
A2 adverb /ˈɒnɪstli/

honestly

正直に
Meaning
in a truthful, sincere, or fair way
Example
She spoke honestly about her mistakes.
彼女は自分の間違いについて正直に話しました。
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。
C2 noun /ˌhɜːrpəˈtɒlədʒɪst/

herpetologist

爬虫類学者
Meaning
A scientist who studies reptiles and amphibians.
Example
The herpetologist discovered a new species of frog in the rainforest.
その爬虫類学者は熱帯雨林で新しいカエルの種を発見した。
A1 verb /ˈhæpən/

happen

起こる
Meaning
to occur or take place; to come about by chance
Example
What happened at the meeting yesterday?
昨日の会議で何が起こったのですか？
C2 noun /ˈhɛptɑːrki/

heptarchy

七王国連邦
Meaning
A group of seven rulers or governments, especially the seven Anglo-Saxon kingdoms in early England.
Example
The history book described the heptarchy of Anglo-Saxon England.
歴史書はアングロサクソンのイングランドのヘプターキーを説明していました。
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。
B1 verb /haɪər/

hire

雇う
Meaning
to employ someone for wages; to rent or engage services
Example
The company will hire new employees next month.
その会社は来月新しい従業員を雇う予定です。
B1 noun /ˈhjuː.mər/

humor

Meaning
The quality of being amusing or entertaining.
Example
His sense of humor always lightens the mood.
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。
C1 adverb /ˌhɛdˈfɜrst/

headfirst

頭から
Meaning
With the head leading; in a reckless or hasty manner.
Example
He dived headfirst into the pool.
彼は頭から飛び込んだ。
C1 noun /hɪpˈnoʊsɪs/

hypnosis

ヒプノシス
Meaning
A trance-like state of consciousness usually induced by suggestion.
Example
She underwent hypnosis to overcome her fear of flying.
彼女は飛行機恐怖症を克服するためにヒプノシスを受けました。
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 /ˈhæŋ.kər.tʃɪf/

Handkerchief

ハンカチ
Meaning
a small piece of cloth used for wiping the nose or face
Example
She always carries a clean handkerchief in her purse.
彼女はいつもバッグにきれいなハンカチを持っています。
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。
C2 noun /ˈhjuːməs/

humus

腐植土
Meaning
The dark, organic material in soil formed from decayed plants and animals.
Example
The gardener enriched the soil with humus to improve plant growth.
庭師は植物の成長を促進するために土にフムスを加えました。
C2 adjective /ˈhaɪd.baʊnd/

hidebound

Meaning
unwilling or unable to change because of tradition or convention
Example
He is too hidebound to accept new ideas.
B2 noun /ˌhez.ɪˈteɪ.ʃən/

Hesitation

ためらい; 躊躇
Meaning
the action of pausing or delaying; uncertainty or unwillingness to act
Example
After a moment of hesitation, she decided to accept the challenging job offer from the company.
一瞬のためらいの後、彼女は会社からの挑戦的な仕事のオファーを受け入れることに決めました。
C1 adjective /ˈhæb.ɪ.tə.bəl/

Habitable

居住可能
Meaning
suitable or good enough to live in
Example
The planet Mars may become habitable in the future.
火星は将来、居住可能になるかもしれません。
C2 noun /ˈhɔɪdən/

hoyden

やんちゃな女の子
Meaning
a boisterous or tomboyish girl
Example
The hoyden preferred climbing trees to playing with dolls.
やんちゃな女の子は、ぬいぐるみで遊ぶよりも木に登るのが好きでした。
C2 adjective /ˌhaɪpərˈbɔːriən/

hyperborean

極北の
Meaning
Relating to the extreme north; very cold or frigid.
Example
The explorers prepared for the hyperborean climate of the Arctic.
探検家たちは北極の極北の気候に備えていた。
C1 noun /hɔːrd/

horde

群衆
Meaning
A large group or crowd, especially one that is disorderly or difficult to control.
Example
A horde of fans gathered outside the stadium.
スタジアムの外でファンの群衆が集まりました。
C1 noun /ˈhaɪdəweɪ/

hideaway

隠れ家
Meaning
A place used as a retreat or a place to hide.
Example
The cabin in the woods was their secret hideaway.
森の中の小屋は彼らの秘密の隠れ家だった。
C1 noun /ˈhɛzɪtəns/

hesitance

ためらい
Meaning
The quality or state of being reluctant or uncertain.
Example
Her hesitance to speak up delayed the decision.
彼女のためらいは決定を遅らせました。
A1 noun /ˈhɒs.pɪ.təl/

hospital

病院
Meaning
an institution where sick or injured people are given medical treatment
Example
He was taken to the hospital after the accident.
彼は事故の後、病院に運ばれました。
C2 adjective /ˌhɪstriˈɒnɪk/

histrionic

Meaning
Overly dramatic or theatrical in behavior or style.
Example
Her histrionic reaction to the small problem surprised everyone.
B2 noun /həˈraɪ.zən/

horizon

地平線
Meaning
the line where the earth seems to meet the sky; the limit of one's knowledge, experience, or interest
Example
The sun disappeared below the horizon.
太陽は地平線の下に消えました。
B1 noun /hoʊst/

Host

ホスト; ゲストを迎える人; 多くのもの
Meaning
a person who receives or entertains other people as guests; a large number of things
Example
The gracious host welcomed all the guests with warm smiles and refreshments.
親切なホストは、温かい笑顔と飲み物でゲストを迎えました。
C2 noun /hæˈʃiːʃ/

hashish

ハシシ
Meaning
a drug made from the resin of the cannabis plant
Example
The police arrested him for possessing hashish.
警察は彼をハシシを所持していたため逮捕した。
A1 noun /hoʊˈtɛl/

hotel

ホテル
Meaning
A building where people pay to stay and sleep, usually for short periods.
Example
We stayed at a hotel near the beach.
私たちはビーチの近くのホテルに泊まりました。