key

/kiː/

意味: 鍵、重要なもの

例文: Lena lost the key to the treehouse.
　　  レナはツリーハウスの鍵をなくした。

言葉のよくある組み合わせ: key word(キーワード), key point(キーポイント), key role(重要な役割)

定義: 鍵（かぎ）は、ドアやロックを開けるための小さな金属の道具です。また、重要な情報や答えを見つけるための手がかりやヒントを指すこともあります。音楽では、曲の調（ちょう）を示す言葉としても使われます。

keyは約8,000語に1回程度の頻出度です。

口語性、形式性、抽象度、感情度

水平グラフ: 会話での使われやすさ、フォーマル度、抽象度（具体・概念）、感情度を示します。数値が高いほど、その特徴が強いことを表します。

感情分析

レーダーチャート: 怒り、期待、嫌悪、恐れ、喜び、悲しみ、驚き、信頼、ポジティブ、ネガティブの強さを示します。

　年代別単語頻度グラフ

このグラフは、1900年からの単語出現頻度の推移を示しています。値は ×10⁻⁸ スケールで表示されています。

　

Definitions(定義)

Noun: metal device shaped in such a way that when it is inserted into the appropriate lock the lock’s mechanism can be rotated
Noun: something crucial for explaining
Noun: pitch of the voice
Noun: any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
Noun: a kilogram of a narcotic drug
Noun: a winged often one-seed indehiscent fruit as of the ash or elm or maple
Noun: United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812; the poem was later set to music and entitled `The Star-Spangled Banner’ (1779-1843)
Noun: a coral reef off the southern coast of Florida
Noun: (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court
Noun: a list of answers to a test
Noun: a list of words or phrases that explain symbols or abbreviations
Noun: a generic term for any device whose possession entitles the holder to a means of access
Noun: mechanical device used to wind another device that is driven by a spring (as a clock)
Noun: the central building block at the top of an arch or vault
Noun: a lever (as in a keyboard) that actuates a mechanism when depressed
Verb: identify as in botany or biology, for example
Verb: provide with a key
Verb: vandalize a car by scratching the sides with a key
Verb: regulate the musical pitch of
Verb: harmonize with or adjust to
Adjective: serving as an essential component

Parts of Speech(品詞)

Noun, Verb, Adjective

Examples(例文)

感情分析に使用された例文：

I found the key under the old table.(古いテーブルの下で鍵を見つけた。)
She holds the key to the secret door.(彼女は秘密の扉の鍵を持っている。)
The key unlocks the treasure chest easily.(その鍵で宝箱を簡単に開けられる。)

 

Word Netから抽出した例文：

Noun: the key to development is economic integration
Noun: he spoke in a low key
Noun: they were carrying two keys of heroin
Noun: he hit a jump shot from the top of the key
Noun: he dominates play in the paint
Noun: some students had stolen the key to the final exam
Noun: a safe-deposit box usually requires two keys to open it
Verb: We were keyed after the locks were changed in the building
Verb: His new Mercedes was keyed last night in the parking lot
Verb: key one’s actions to the voters’ prevailing attitude
Adjective: a cardinal rule
Adjective: the central cause of the problem
Adjective: an example that was fundamental to the argument
Adjective: computers are fundamental to modern industrial structure

Synonyms/Antonyms(類語/反意語)

Synonyms(類語): Florida key, Francis Scott Key, Key, cardinal, cay, central, describe, discover, distinguish, fundamental, headstone, identify, key, key fruit, key out, keystone, name, paint, primal, samara, tonality, winder

Antonyms(反意語): atonality

Hypernyms/Hyponyms(上位語/下位語)

Hypernyms (General categories)(上位語): achene, building block, coral reef, device, explanation, harmonize, kilogram, lever, list, mechanical device, musical notation, pitch, positive identification, space, supply, vandalize

Coordinate Terms(同じ上位語をもつもの): a-list, accidental, acoustic device, adapter, afterburner, agenda, agglomerator, air-cool, airfoil, airspace, alarm, alphabetize, alto, appliance, applicator, arm, ashlar, aspergill, atoll, atonality, autopilot, bait, bar line, barrier reef, bass, bed, berth, bewhisker, bibliography, bill, billiard marker, bird feeder, blacklist, blower, bootjack, border, bottom, brattice, breathalyzer, breathing device, broadcaster, bubbler, buffer, bumper, bumper guard, bush, calendar, calk, calorie chart, canal, canon, capitalize, caption, carburetor, card, catalog, catapult, causeway, character set, charge, charger, checklist, cinder block, class list, cleat, clef, clip-on, coal, codex, comb, comforter, compound lever, compressor, computerize, concert pitch, conductor, constitutionalize, contents, contraceptive, converter, copper-bottom, copyholder, corbel, corer, cornice, corrective, corrigenda, costume, coupling, crawlspace, credit card, credits, crenel, criminal record, crowbar, crusher, cryptograph, curler, curtain, cutoff, dado, dampener, damper, date, debit card, deflector, dental appliance, depressor, detector, diaphragm, dicer, diestock, directory, disk space, distribution list, drive, drop forge, elastic device, electrical device, electromechanical device, electronic device, energizer, enumeration, equip, escapement, exercise device, explosive device, extend, fan, faq, feed, fermata, filter, fire extinguisher, flare, flat, flies, flood, free list, fret, fuel, fumigator, fund, furnish, gas fixture, gate, gearshift, glass, grab, grate, green card, grocery list, groover, guard, gun trigger, hand throttle, hat, headline, headquarter, heat, heat exchanger, heater, high pitch, hit list, hit parade, hobnail, holding device, hook, horn, hydrate, hydrofoil, id, imprint, index, indicator, innervate, instrument, interleave, interlock, interpretation, interrupter, interval, inventory, jig, joint, kern, key, key signature, keyboard, keystone, kinetoscope, knocker, leverage, lift, lifting device, lighter, low pitch, machicolate, machine, magnet, mailing list, masthead, match, measure, mechanism, memory device, menu, musical instrument, natural, necrology, nest egg, no-parking zone, noisemaker, note, number, offer, optical device, override, pantograph, paper feed, parking space, partner, password, patch, peavey, pedal, peeler, pick, pinch bar, piston, playlist, portfolio, posting, pour, power takeoff, price list, prod, prompter, propeller, provision, pull, pump, push-down list, queue, rafter, rail, railroad, ramp, ratchet, rationale, rationalization, record changer, reflector, reflectorize, release, remote control, reset, rest, restraint, retrofit, ride, rim, ripping bar, rocker arm, roll, router, runner, samara, sanitate, scale, schedule, scratcher, seat, seeder, segno, separation, sforzando, sharp, shelter, shoehorn, shoetree, shooting stick, shopping list, short list, shredder, shutter, sick list, signaling device, signalize, ski binding, slat, slate, slur, smart card, snowshoe, solmization, soprano, sounder, source of illumination, spark lever, splicer, splint, sprinkler, stabilizer, staff, standing, stator, stemmer, step, stick, stint, stock, stoker, straightener, strengthener, stretcher, striker, stylus, subtitle, suction cup, supply chamber, support, surfeit, sweatbox, swing, synchroflash, tablature, take-up, tap, tappet, teaser, tenor, terrace, terreplein, theme, theory, throwing stick, ticket, tiller, tilter, time signature, tire iron, toggle, tone, tone arm, tongs, tool, top, toy, transistorize, trap, trigger, tube, tune, uniform, upholster, valve, vaporizer, ventilator, vibrator, victual, voting machine, voussoir, washboard, water, water cooler, weathervane, wharf, wheelwork, winder, windshield wiper, wish list, wive, workspace, yield

Hyponyms (Specific examples)(下位語): backspace key, control key, ignition key, key word, latchkey, major key, minor key, passkey, quoin, return key, shift key, space bar, tab key, telegraph key, tonic key, watch key

Derivationally Related Words(派生語)

Derivationally Related Words: center, identifiable, identification, identity, key, name, naming, tonal, wind

Categories(カテゴリー)

Domain Categories: science, technology

Usage Category: formal

Usage Context: descriptive

Grammatical Notes:
transitive verb
countable noun, uncountable noun

Prefixes/Suffixes(接頭辞/接尾辞)

Prefixes(接頭辞):

Suffixes(接尾辞): y

Exam Level

中学レベル

英検3級

Media Appearance(メディア登場例)

Books(洋書): Alice’s Adventures in Wonderland, Atomic Habits, Diary of a Wimpy Kid 1, Holes

Movies(映画): Finding Nemo, Frozen, The Bad Guys, Zootopia

Other Information(その他)

Is Abstract?(抽象的な言葉?) Yes

Is Emotion Word?(感情的な言葉?) No

Emotion Categories: