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pigment Definition

pig·ment (pig′mənt)

noun

  1. coloring matter, usually in the form of an insoluble powder, mixed with oil, water, etc. to make paints
  2. any coloring matter in the cells and tissues of plants or animals

Etymology: ME < L pigmentum < base of pingere, to paint

intransitive verb, transitive verb

to take on or cause to take on pigment; color or become colored

pigment Related Forms

pig′·men·tar′y (-mən ter′ē) adjective

pigment Synonyms

pigment

n.

paint, oil paint, dye, coloring matter, orpiment, artist's material; see also color 1.

pigment Usage Examples

Converse of object

  • absorb: The absorbing pigments are added to organic filters in the bulk product.
  • mix: The pastels are made from the purest pigments mixed with the finest quality kaolin.

Adjective modifier

  • photosynthetic: All of the photosynthetic pigments are designed to absorb visible light across a range of wavelengths suitable for any number of environments.
  • macular: Color matching in diabetes: optical density of the crystalline lens and macular pigments.
  • ochre: Truth rather than fancy was that much of his much, much older skeleton was stained by blood tinted ochre pigment.
  • retinal: Early ARM is when only drusen and retinal pigment epithelial changes are present.
  • non-toxic: These inks have been formulated using natural and non-toxic pigments.
  • inorganic: A database of Raman spectra of inorganic pigments is maintained here.

Modifies a noun

  • epithelium: Extensive or ' geographic ' atrophy of the retinal pigment epithelium, however, can result in marked visual acuity loss.
  • melanin: The Pied genes act by eliminating the pigment melanin from the Pied patches.
  • chlorophyll: Within these tissues, there are small particles called chloroplasts which contain pigments, including the green pigment chlorophyll.
  • ink: Blue Wool Scale in excess of 6 achieved using pigment inks.
  • granule: Human RPE pigment granules were isolated from RPE cells pooled into groups according to the age of the donors.
  • dispersion: Transparency Artists ' Water Colors exhibit unrivaled transparency due to the unique pigment dispersion in the manufacture of the color.

Noun used with modifier

  • carotenoid: The results revealed that as infection levels increase, the deposition of carotenoid pigments in male bills decreases.
  • melanin: People with naturally brown and black skin have more melanin pigment in their skin cells.
  • bile: There is either an excess release or incomplete removal of the bile pigment derived from hemoglobin in red blood cells.
  • phytoplankton: We also made routine measurements of phytoplankton pigments ( eg. chlorophyll-a as a measure of biomass ) and we enumerated the principal phytoplankton species.
  • harvesting: Of the photosynthetic bacteria, three schemes are used for light harvesting pigments.
  • oxide: Iron oxide pigments are used in greater extent in cosmetic tattooing.