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, Washington Irving, The Sketch Book of Geoffrey Crayon, Gent

     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.

   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