American Heritage Dictionary
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Century Dictionary
(34)
GNU Webster's 1913
(4)
WordNet
(7)
Elsewhere on the web
An inorganic heavy metal precipitate formed in both reactors; the precipitate coated the biofilm support in the DSF reactor while in the UBF reactor the precipitate was concentrated in the reactor sludge bed and filter media.— CiteULike: Everyone's library
It can be prepared by adding ammonium hydroxide to any soluble aluminium salt, forming a semi-transparent precipitate which is insoluble in water but very hard to filter.— An Elementary Study of Chemistry
Round the nucleus of the egg appears a Niederschlag or precipitate which is the rudiment of the blastoderm (p. 68). When the egg leaves the ovary the nucleus disappears, leaving behind it this rudiment of the blastoderm, which rapidly grows and increases in size.— Form and Function A Contribution to the History of Animal Morphology
To show this deposition I will now add some clear lime-water to the solution I made of chalk with the carbonic acid of my breath, and a precipitate is at once formed, all the lime and carbonic acid together depositing as insoluble chalk.— The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association
There is immediately formed a dirty greenish-colored precipitate which is converted into Schweinfurt green by the addition of some 15 liters of concentrated wood-vinegar.— Scientific American Supplement, No. 455, September 20, 1884

American Heritage Dictionary (1)
Century Dictionary (2)
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