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Definition of phosphate - 5 dictionary results

phos⋅phate

[fos-feyt]
–noun
1. Chemistry.
a. (loosely) a salt or ester of phosphoric acid.
b. a tertiary salt of orthophosphoric acid, as sodium phosphate.
2. Agriculture. a fertilizing material containing compounds of phosphorus.
3. a carbonated drink of water and fruit syrup containing a little phosphoric acid.

Origin:
1785–95; phosph- + -ate 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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phos·phate   (fŏs'fāt')   
n.  
  1. A salt or ester of phosphoric acid.

  2. A fertilizer containing phosphorus compounds.

  3. A soda fountain drink made by blending carbonated water with flavored syrup.


[phosph(o)- + -ate2.]
phos·phat'ic (fŏs-fāt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

phosphate 
1795, from Fr. phosphate (1787), from phosphore (see phosphorous).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: phos·phate
Pronunciation: 'fäs-"fAt
Function: noun
1 a : a salt or ester of a phosphoric acid b : thetrivalent anion PO4−−− derived from phosphoric acid H3PO4
2 : an organic compound of phosphoric acid in which the acidgroup is bound to nitrogen or a carboxyl group in a way that permits useful energy to be released (as in metabolism)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

phosphate phos·phate (fŏs'fāt')
n.
A salt or an ester of phosphoric acid. adj.
Containing the trivalent radical PO4.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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