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nonpigmented

 - 6 dictionary results

pig⋅ment

  [pig-muhnt]
Use nonpigmented in a Sentence
–noun
1. a dry insoluble substance, usually pulverized, which when suspended in a liquid vehicle becomes a paint, ink, etc.
2. a coloring matter or substance.
3. Biology. any substance whose presence in the tissues or cells of animals or plants colors them.
–verb (used with object)
4. to color; add pigment to.
–verb (used without object)
5. to become pigmented; acquire color; develop pigmentation: a poor quality of paper that doesn't pigment well.
Origin:
1350–1400; ME < L pigmentum paint, equiv. to pig- (s. of pingere to paint ) + -mentum -ment
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

pigment 
1398, from L. pigmentum "coloring matter, pigment, paint," from root of pingere "to color, paint" (see paint). Variants of this word may have been known in O.E. (e.g. 12c. pyhmentum).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: non·pig·ment·ed
Pronunciation: -'pig-m&nt-&d
Function: adjective
: not pigmented

Main Entry: pig·ment
Pronunciation: 'pig-m&nt
Function: noun
: a coloring matter in animals and plants especially in a cell or tissue; also : any of various related colorless substances
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

pigment pig·ment (pĭg'mənt)
n.

  1. A substance used as coloring.

  2. Dry coloring matter, usually an insoluble powder to be mixed with water, oil, or another base to produce paint and similar products.

  3. A substance that produces a characteristic color in tissue.

  4. A medicinal preparation applied to the skin like paint.

v. pig·ment·ed, pig·ment·ing, pig·ments
To color with pigment.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
pigment   (pĭg'mənt)  Pronunciation Key 

  1. An organic compound that gives a characteristic color to plant or animal tissues and is involved in vital processes. Chlorophyll, which gives a green color to plants, and hemoglobin, which gives blood its red color, are examples of pigments.

  2. A substance or material used as coloring.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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