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Precipitate   /prɪsˈɪpɪtˌeɪt/   Listen
noun
Precipitate  n.  (Chem.)
1.
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.
2.
Atmospheric moisture condensed as rain or snow, etc.; same as precipitation 5.
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.


verb
Precipitate  v. t.  (past & past part. precipitated; pres. part. precipitating)  
1.
To throw headlong; to cast down from a precipice or height. "She and her horse had been precipitated to the pebbled region of the river."
2.
To urge or press on with eager haste or violence; to cause to happen, or come to a crisis, suddenly or too soon; as, precipitate a journey, or a conflict. "Back to his sight precipitates her steps." "If they be daring, it may precipitate their designs, and prove dangerous."
3.
(Chem.) To separate from a solution, or other medium, in the form of a precipitate; as, water precipitates camphor when in solution with alcohol. "The light vapor of the preceding evening had been precipitated by the cold."


Precipitate  v. i.  
1.
To dash or fall headlong. (R.) "So many fathom down precipitating."
2.
To hasten without preparation. (R.)
3.
(Chem.) To separate from a solution as a precipitate. See Precipitate, n.


adjective
Precipitate  adj.  
1.
Overhasty; rash; as, the king was too precipitate in declaring war.
2.
Lacking due deliberation or care; hurried; said or done before the time; as, a precipitate measure. "The rapidity of our too precipitate course."
3.
Falling, flowing, or rushing, with steep descent; headlong. "Precipitate the furious torrent flows."
4.
Ending quickly in death; brief and fatal; as, a precipitate case of disease. (Obs.)





Collaborative International Dictionary of English 0.48


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"Precipitate" Quotes from Famous Books



... such quick succession that they paused, when but a moment more would have placed them within the inclosure. But several of them being wounded, and Boone and Glenn still doing execution with their pistols, the discomfited enemy made a precipitate retreat. An occasional flight of arrows continued to assail the besieged, but they came from a great distance, for the Indians were not long in scampering beyond the ...
— Wild Western Scenes • John Beauchamp Jones
... So precipitate had been the enemy's flight that they had left everything—food still cooking, all their household and personal utensils; and I saw in the road great piles of kettles, plates, knives, deerskins, beaver-pelts, bearhides, packs of furs, and bolts of ...
— The Hidden Children • Robert W. Chambers
... advanced. Evidently those who carried them were trying to see the party who had given this peremptory command. They could be heard talking together in low and husky tones, some urging a precipitate rush, others counciling caution and diplomacy, in order ...
— Boy Scouts on Hudson Bay - The Disappearing Fleet • G. Harvey Ralphson
... victory of Magenta was the possession of Lombardy. Gyulai, unable to collect his scattered divisions, gave orders for a general retreat. Milan was evacuated with precipitate haste, and the garrisons were withdrawn from all the towns, leaving them to be occupied by the French and Italians. On the 8th of June Napoleon and Victor Emmanuel rode into Milan side by side, amid the loud acclamations of the people, who looked upon this victory as an ...
— A History of The Nations and Empires Involved and a Study - of the Events Culminating in The Great Conflict • Logan Marshall
... possible that at this time Spain would not have taken any action whatever, if William had pursued a different course; and seeing that the colonists had been abandoned and disowned by their own king, as if they had been vagabonds or outlaws, the Spaniards, in a manner, felt themselves invited to precipitate a ...
— An Historical Account of the Settlements of Scotch Highlanders in America • J. P. MacLean


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