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pigment

[pig-muh nt] /ˈpɪg mənt/
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
1350-1400; Middle English < Latin pigmentum paint, equivalent to pig- (stem of pingere to paint) + -mentum -ment
Related forms
hyperpigmented, adjective
nonpigmented, adjective
unpigmented, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for pigment
  • The color of skin depends mainly on melanin, a brownish pigment produced by melanocytes in the epidermis.
  • The lake's color comes from a red pigment in cyanobacteria, which feed on high levels of salt in the lake.
  • Tanning and skin care industries that add more color and appearance of pigment to the skin.
  • To further intensify the color, layer eye shadow on top of the pigment.
  • The cortex, under the cuticle, holds protein cells that make the hair flexible and pigment to give the hair its color.
  • And finally, there are the pigment cells that give the eye its rich red color.
  • GM declined to say whether the pigment shortage would affect availability of its vehicles.
  • The room's security guard divulges that she has to keep visitors from plunging their hands into the dry pigment.
  • The top layers of chromatophores have red or yellow pigment.
  • Paints are essentially pigment particles bound in a sticky, transparent medium, whereas dyes or soluble in liquid.
British Dictionary definitions for pigment

pigment

/ˈpɪɡmənt/
noun
1.
a substance occurring in plant or animal tissue and producing a characteristic colour, such as chlorophyll in green plants and haemoglobin in red blood
2.
any substance used to impart colour
3.
a powder that is mixed with a liquid to give a paint, ink, etc
Derived Forms
pigmentary, adjective
Word Origin
C14: from Latin pigmentum, from pingere to paint
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for pigment
n.

late 14c., from Latin pigmentum "coloring matter, pigment, paint," figuratively "prnament," from stem of pingere "to color, paint" (see paint (v.)). Variants of this word could have been known in Old English (e.g. 12c. pyhmentum). As a verb from 1900. Related: Pigmented; pigmenting.

Online Etymology Dictionary, © 2010 Douglas Harper
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pigment in Medicine

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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pigment in Science
pigment
  (pĭg'mənt)   
  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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