Precipitate

Precipitate
Precipitate Pre*cip"i*tate, n. [NL. praecipitatum: cf. F. pr['e]cipit['e].] (Chem.) An insoluble substance separated from a solution in a concrete state by the action of some reagent added to the solution, or of some force, such as heat or cold. The precipitate may fall to the bottom (whence the name), may be diffused through the solution, or may float at or near the surface. [1913 Webster]

2. atmospheric moisture condensed as rain or snow, etc.; same as {precipitation[5]}. [PJC]

{Red precipitate} (Old. Chem), mercuric oxide ({HgO}) a heavy red crystalline powder obtained by heating mercuric nitrate, or by heating mercury in the air. Prepared in the latter manner, it was the {precipitate per se} of the alchemists.

{White precipitate} (Old Chem.) (a) A heavy white amorphous powder ({NH2.HgCl}) obtained by adding ammonia to a solution of mercuric chloride or corrosive sublimate; -- formerly called also {infusible white precipitate}, and now {amido-mercuric chloride}. (b) A white crystalline substance obtained by adding a solution of corrosive sublimate to a solution of sal ammoniac (ammonium chloride); -- formerly called also {fusible white precipitate}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Игры ⚽ Поможем решить контрольную работу
Synonyms:

Look at other dictionaries:

  • Precipitate EP — EP Interpol …   Википедия

  • Precipitate — Pre*cip i*tate, a. [L. praecipitatus, p. p. of praecipitare to precipitate, fr. praeceps headlong. See {Precipice}.] 1. Overhasty; rash; as, the king was too precipitate in declaring war. Clarendon. [1913 Webster] 2. Lacking due deliberation or… …   The Collaborative International Dictionary of English

  • precipitate — precipitate, precipitous 1. The two words overlap in meaning and were used interchangeably from the 17c to the 19c. Precipitous has a physical meaning ‘sheer like a precipice’: • There was a precipitous wooden stair to the ground floor A. Craig,… …   Modern English usage

  • Precipitate — Pre*cip i*tate, v. t. [imp. & p. p. {Precipitated}; p. pr. & vb. n. {Precipitating}.] 1. To throw headlong; to cast down from a precipice or height. [1913 Webster] She and her horse had been precipitated to the pebbled region of the river. W.… …   The Collaborative International Dictionary of English

  • precipitate — adj Precipitate, headlong, abrupt, impetuous, hasty, sudden as applied to persons or their acts or be havior denote characterized by excessive haste and unexpectedness. Precipitate especially stresses lack of due deliberation; sometimes it… …   New Dictionary of Synonyms

  • Precipitate — Pre*cip i*tate, v. i. 1. To dash or fall headlong. [R.] [1913 Webster] So many fathom down precipitating. Shak. [1913 Webster] 2. To hasten without preparation. [R.] [1913 Webster] 3. (Chem.) To separate from a solution as a precipitate. See… …   The Collaborative International Dictionary of English

  • precipitate — [v] hurry, speed accelerate, advance, bring on, cast, discharge, dispatch, expedite, fling, further, hasten, hurl, launch, let fly, press, push forward, quicken, send forth, speed up, throw, trigger; concepts 152,242,704 Ant. check, slow, wait… …   New thesaurus

  • precipitate — [prē sip′ə tāt΄, prisip′ə tāt΄; ] for adj. [ & ] n. [, prē sip′ə tit, pri sip′ətit, prē sip′ ə tāt΄, pri sip′ətāt΄] vt. precipitated, precipitating [< L praecipitatus, pp. of praecipitare < praeceps: see PRECIPICE] 1. to throw headlong;… …   English World dictionary

  • precipitate# — precipitate vb *speed, accelerate, quicken, hasten, hurry Analogous words: drive, impel (see MOVE vb): *force, compel, coerce, constrain precipitate n *deposit, sediment, dregs, lees, grounds …   New Dictionary of Synonyms

  • precipitate — I adjective abrupt, breakneck, foolhardy, harebrained, hasty, headlong, headstrong, heady, hellbent, hot headed, hurried, immediate, impetuous, imprudent, impulsive, inconsultus, indiscreet, injudicious, madcap, overconfident, overly hasty,… …   Law dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”