Brown hair — is the second most common hair color, with black being the most common. Brown hair (also referred to as chestnut and cinnamon) varies from light brown to almost black hair. It is characterized by higher levels of the dark pigment eumelanin and… … Wikipedia
brown algae — pl.n. any of a class (Phaeophyceae, division Chromophycota) of large, photosynthetic, marine thallophytic algae, including kelp and fucus, having a brown pigment that obscures the green color of chlorophyll * * * ▪ alga class members of the … Universalium
Brown algae — Temporal range: 150–0 Ma[1][2] … Wikipedia
brown — [broun] adj. [ME broun < OE brun < IE base * bhrou no < * bher , brown: see BEAR2] 1. having the color of chocolate or coffee, a combination of red, black, and yellow 2. having a naturally dark or tanned skin; dark skinned n. 1. brown… … English World dictionary
brown adipose tissue — n BROWN FAT * * * a thermogenic type of adipose tissue containing a dark pigment. It arises during embryonic life in certain specific areas in many mammals, and is prominent in newborn babies. It remains distinct and conspicuous in adults in only … Medical dictionary
brown — ► ADJECTIVE 1) of a colour produced by mixing red, yellow, and blue, as of dark wood or rich soil. 2) dark skinned or suntanned. ► NOUN ▪ brown colour, pigment, or material. ► VERB 1) make or become brown by cooking. 2) ( … English terms dictionary
brown alga — n any of a major taxonomic group (Phaeophyta) of variable mostly marine algae (as a laminaria) with chlorophyll masked by brown pigment see ALGIN, LAMINARIN … Medical dictionary
brown algae — pl.n. any of a class (Phaeophyceae, division Chromophycota) of large, photosynthetic, marine thallophytic algae, including kelp and fucus, having a brown pigment that obscures the green color of chlorophyll … English World dictionary
Pigment (biology) — In biology, a pigment or biochromeFact|date=June 2008 is any material resulting in color of plant or animal cells, which is the result of selective color absorption. Many biological structures, such as skin, eyes, fur and hair contain pigments… … Wikipedia
Pigment — Des pigments en vente sur un marché de Goa (Inde). Un pigment est une substance colorée, naturelle ou artificielle, d origine minérale ou organique. D origine naturelle, il peut être le constituant : d un minéral (terres, ocres, lapis lazuli … Wikipédia en Français
pigment — /pig meuhnt/, n. 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. Biol. any substance whose presence in the tissues or cells of animals or… … Universalium