precursor

/pɹɪˈkɜːsə/

意味: 先駆者、前兆

例文: The first kettle was a precursor to teapots.
　　  最初のやかんは急須の前兆だった。

言葉のよくある組み合わせ: chemical precursor(化学前駆体), precursor event(前駆事象), precursor cell(前駆細胞)

定義: 何かが起こる前に存在するものや人、または何かの前兆となるものを指します。前触れや先駆けとしての役割を果たすことが多いです。

precursorは約400,000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: a substance from which another substance is formed (especially by a metabolic reaction)
Noun: a person who goes before or announces the coming of another
Noun: something that precedes and indicates the approach of something or someone

Parts of Speech(品詞)

Noun

Examples(例文)

感情分析に使用された例文：

The enzyme acts as a precursor to the final product.(その酵素は最終生成物の前駆体として働く。)
Her ideas were a precursor to modern technology.(彼女のアイデアは現代技術の前兆だった。)
This chemical is a precursor in the manufacturing process.(この化学物質は製造過程の前駆体である。)

 

Word Netから抽出した例文：

Synonyms/Antonyms(類語/反意語)

Synonyms(類語): forerunner, harbinger, herald, precursor, predecessor

Antonyms(反意語):

Hypernyms/Hyponyms(上位語/下位語)

Hypernyms (General categories)(上位語): indication, material, person

Coordinate Terms(同じ上位語をもつもの): abator, abjurer, abomination, abrasive, abstainer, achiever, acquaintance, acquirer, active, actor, adhesive material, adjudicator, admirer, adoptee, adult, adventurer, adversary, advisee, advocate, affiant, african, aggregate, agnostic, amateur, amerindian, ammunition, ancient, animal material, anomaly, anti, anti-american, applicant, appointee, appreciator, apprehender, aquarius, archaist, aries, arrogator, assessee, asthmatic, atom, authority, autodidact, baby boomer, baby buster, bad guy, bad person, baldhead, balker, ballast, bather, beard, bedding material, bedfellow, bereaved, best, bimetal, birth, biter, black, blogger, blond, bluecoat, bodybuilder, bomber, brunet, builder, bullfighter, buster, cancer, candidate, capitalist, capricorn, captor, case, cashier, celebrant, censor, chameleon, changer, charmer, chemical, child, chutzpanik, closer, clumsy person, collector, color-blind person, coloring material, combatant, commoner, communicator, complexifier, composite material, compulsive, computer user, conductor, contaminant, contemplative, contestant, convert, copycat, counter, counterterrorist, coward, crawler, creator, creature, creditor, cripple, dancer, dead person, deaf person, debaser, debtor, defecator, delayer, deliverer, demander, detritus, diamagnet, dieter, differentiator, discharge, disentangler, disputant, dissenter, divider, domestic partner, double, dresser, dribbler, drug user, dust, dyslectic, earth, ectomorph, effecter, elastomer, elizabethan, emotional person, endomorph, engineer, enjoyer, enrollee, entertainer, ethnic, evidence, experimenter, expert, explorer, extrovert, face, faddist, faller, fastener, female, fiber, fiduciary, filling, first-rater, floccule, fluff, foam, follower, free agent, friend, fugitive, gainer, gambler, gatekeeper, gatherer, gemini, gentile, gesture, glimpse, good guy, good person, granter, greeter, grinner, groaner, grunter, guesser, handicapped person, harbinger, hater, hazmat, heterosexual, hint, homogenate, homosexual, homunculus, hope, hoper, huddler, hugger, humate, immune, impregnation, individualist, inhabitant, innocent, insulator, insured, intellectual, interpreter, introvert, jat, jew, jewel, jumper, junior, juvenile, killer, kink, kneeler, knocker, knower, large person, latin, laugher, leader, learner, left-hander, leo, libra, life, lightning rod, linguist, literate, liver, longer, loose cannon, loved one, lover, machine, mailer, malcontent, male, man, man jack, manifestation, manipulator, mark, married, masturbator, measurer, mesomorph, mestizo, middlebrow, mineral, miracle man, misogamist, mixed-blood, modern, money handler, monolingual, mother hen, mouse, mutilator, namer, namesake, national, native, neglecter, neighbor, neutral, nondescript, nonmember, nonparticipant, nonpartisan, nonperson, nonreligious person, nonresident, nonsmoker, nonworker, nude, nurser, occultist, optimist, orphan, ostrich, ouster, outcaste, outdoorsman, owner, packing material, pamperer, pansexual, paper, pardoner, particulate, partner, party, passer, peer, perceiver, percher, person of color, personage, personification, perspirer, philosopher, picker, pisces, pisser, planner, plant material, player, pointing out, posturer, powderer, precursor, preserver, primitive, propositus, public relations person, pursuer, pussycat, quarter, quitter, radical, radioactive material, raw material, realist, rectifier, redhead, registrant, relative, reliever, religious person, repeater, rescuer, rester, restrainer, revenant, rich person, right-hander, rind, riser, rock, romper, roundhead, ruler, rusher, sagittarius, scientist, scorpio, scratcher, sealing material, second-rater, seeder, seeker, segregate, self, sensualist, sentimentalist, sex object, sex symbol, shaker, showman, signalization, signer, simpleton, six-footer, skidder, slav, slave, sleepyhead, sloucher, small person, smasher, smiler, smoke, sneezer, sniffer, sniffler, snuffer, snuffler, socializer, sorbate, sorbent, sort, sounding board, sphinx, spitter, sport, sprawler, spurner, squinter, stifler, stigmatic, stooper, stranger, struggler, subject, supernumerary, surrenderer, survivalist, survivor, suspect, symptom, tagger, tapper, taurus, tempter, termer, terror, testator, thickening, thin person, third-rater, thrower, tiger, toner, totemist, toucher, trace, transfer, transparent substance, transsexual, transvestite, traveler, trier, turner, tyrant, undercut, undoer, unfortunate, unskilled person, unwelcome person, user, vanisher, vernix, victim, victorian, virgo, visionary, visually impaired person, wad, waiter, waker, walk-in, wanter, ward, warrior, waste, watcher, weakling, weasel, white, wiggler, winker, withholder, witness, worker, worldling, yawner

Hyponyms (Specific examples)(下位語): predecessor

Derivationally Related Words(派生語)

Derivationally Related Words: harbinger, herald

Categories(カテゴリー)

Domain Categories: general

Usage Category: rare

Usage Context: general

Grammatical Notes:

Prefixes/Suffixes(接頭辞/接尾辞)

Prefixes(接頭辞): pre

Suffixes(接尾辞):

Exam Level

英検1級

Media Appearance(メディア登場例)

Books(洋書):

Movies(映画):

Other Information(その他)

Is Abstract?(抽象的な言葉?) Yes

Is Emotion Word?(感情的な言葉?) Yes

Emotion Categories: anticipation