precipitateとは

意味・読み方・使い方

別の表記

• præcipitate (廃れた用法)

語源 1

From Latin praecipitatus, from praecipitō (“throw down, hurl down, throw headlong”), from praeceps (“head foremost, headlong”), from prae (“before”) + caput (“head”).

発音

Verb:

• (Received 発音, 米国用法) IPA^(key): /pɹɪˈsɪpɪteɪt/, /pɹəˈsɪpɪteɪt/

Adjective:

• (Received 発音, 米国用法) IPA^(key): /pɹɪˈsɪpɪtət/, /pɹəˈsɪpɪtət/

common but often proscribed:

• (Received 発音, 米国用法) IPA^(key): /pɹɪˈsɪpɪteɪt/, /pɹəˈsɪpɪteɪt/

動詞

precipitate (三人称単数 現在形 precipitates, 現在分詞 precipitating, 過去形および過去分詞形 precipitated)

1. (transitive) To make something happen suddenly and quickly.

   Synonyms: advance, accelerate, hasten, speed up

   to precipitate a journey, or a conflict

   it precipitated their success

   • 1737, Richard Glover, Leonidas Book 4

     Back to his sight precipitates her steps.

   • 1625, Francis Bacon, Of Ambition

     if they be stout and daring, it may precipitate their designs, and prove dangerous

2. (transitive) To throw an object or person from a great height.

   Synonyms: throw, fling, cast; see also Thesaurus:throw

   • 1822 May 21, Geoffrey Crayon [pseudonym; Washington Irving], “Hawking”, in Bracebridge Hall, or The Humourists. A Medley. […], volume I, New York, N.Y.: […] C. S. Van Winkle, […], OCLC 1141021983, page 182:

     In gallopping heedlessly along, with her eyes turned upwards, she had unwarily approached too near the bank; it had given way with her, and she and her horse had been precipitated to the pebbled margin of the river.

3. (transitive) To send violently into a certain state or condition.

   we were precipitated into a conflict

4. (intransitive, chemistry) To come out of a liquid solution into solid form.

   Adding the acid will cause the salt to precipitate.

5. (transitive, chemistry) To separate a substance out of a liquid solution into solid form.
6. (intransitive, meteorology) To have water in the air fall to the ground, for example as rain, snow, sleet, or hail; be deposited as condensed droplets.

   Troponyms: rain, snow, hail

   It will precipitate tomorrow, but we don't know whether as rain or snow.

7. (transitive) To cause (water in the air) to condense or fall to the ground.
   • 1819 June 23 – 1820 September 13​, Geoffrey Crayon [pseudonym; Washington Irving], “(please specify the title)”, in The Sketch Book of Geoffrey Crayon, Gent., New York, N.Y.: […] C. S. Van Winkle, […], OCLC 1090970992:

     The light vapour of the preceding evening had been precipitated by the cold.

8. (intransitive) To fall headlong.
9. (intransitive) To act too hastily; to be precipitous.

同意語

• headlong

派生語

関連する語

• precipice
• precipitation

形容詞

precipitate (comparative more precipitate, superlative most precipitate)

1. headlong; falling steeply or vertically.
   • 1718, Prior, Matthew, Solomon, book 2, lines 853–854:

     When the full stores their ancient bounds disdain, / Precipitate the furious torrent flows.

   Synonyms: headlong, precipitant, precipitous

2. Very steep; precipitous.

   Synonym: brant

3. With a hasty impulse; hurried; headstrong.
   • 1842, Letitia Elizabeth Landon, Lady Anne Granard, volume 1, page 145:

     Though thoughtful far beyond your years, you are very inexperienced; and I would not have a preference that may originate in your little knowledge of others, or a romantic exaggeration of slight kindnesses, lead you into a precipitate union with me, unless you most seriously examine your own heart, and weigh the various consequences.

   Synonyms: hotheaded, impetuous, rash; see also Thesaurus:reckless

4. Moving with excessive speed or haste; overly hasty.

   The king was too precipitate in declaring war.

   a precipitate case of disease

   • 1926, Sir Arthur Conan Doyle, The Land of Mist‎^[1]:

     'One moment!" said Malone. "I beg, sir, that you will not be precipitate. I value your friendship too much to risk the loss of it if it can, in any way, be avoided."

5. Performed very rapidly or abruptly.
   • 1931, Lovecraft, H[oward] P[hillips], chapter 6, in The Whisperer in Darkness:

     It had cost me a distinct psychological effort to do so, and now that I was shut inside I had a momentary longing for precipitate retreat.

   Synonyms: abrupt, precipitous, subitaneous; see also Thesaurus:sudden

派生語

• precipitately
• precipitateness

語源 2

From New Latin praecipitatum. Doublet of precipitato.

発音

• (Received 発音, 米国用法) IPA^(key): /pɹɪˈsɪpɪtət/, /pɹəˈsɪpɪtət/
• (Received 発音, 米国用法) IPA^(key): /pɹɪˈsɪpɪteɪt/, /pɹəˈsɪpɪteɪt/

名詞

precipitate (複数形 precipitates)

1. a product resulting from a process, event, or course of action
   • 1975, Saul Bellow, Humboldt's Gift [Avon ed., 1976, p. 381]:

     As for the musculature it is a precipitate of Spirit and the signature of the cosmos is in it.

2. (chemistry) a solid that exits the liquid phase of a solution