mineral streak

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• streak — streakedly /streekt lee, stree kid lee/, adv. streakedness, n. streaker, n. streaklike, adj. /streek/, n. 1. a long, narrow mark, smear, band of color, or the like: streaks of mud. 2. a portion or layer of something, distinguished by color or… …   Universalium

• Streak (mineralogy) — The streak (also called powder color) of a mineral is the color of the powder produced when it is dragged across an unweathered surface. Unlike the apparent color of a mineral, which for most minerals can vary considerably, the trail of finely… …   Wikipedia

• streak plate — noun : a piece of white unglazed porcelain on which to test the streak of a mineral * * * streak plate, a piece of unglazed porcelain on which to rub or scratch a mineral in testing the streak …   Useful english dictionary

• streak — [strēk] n. [ME streke < OE strica: for IE base see STRIKE] 1. a line or long, thin mark; stripe or smear, generally differing in color or texture from the surrounding area 2. a ray of light or a flash, as of lightning 3. a vein or stratum of a …   English World dictionary

• streak color — streak color, the typical color of a mineral s streak. The streak color of pyrite, a yellow mineral, is black …   Useful english dictionary

• Streak — or streaking may refer to:*Streaking, running naked in a public place *Streaking (microbiology), a method of purifying micro organisms *Streak (mineralogy), the color left by a mineral dragged across a rough surface *Streak camera, device to… …   Wikipedia

• Streak — Streak, n. [OE. streke; akin to D. streek a line, stroke, G. strich, AS. strica, Sw. strek, Dan. streg, Goth. stricks, and E. strike, stroke. See {Strike}, {Stroke}, n., and cf. {Strake}.] 1. A line or long mark of a different color from the… …   The Collaborative International Dictionary of English

• Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring …   Wikipedia

• streak — /strik / (say streek) noun 1. a long, narrow mark, smear, band of colour, or the like: streaks of mud; a streak of lightning. 2. a portion or layer of something, distinguished by colour or nature from the rest; a vein or stratum: streaks of fat… …  

• streak — [[t]strik[/t]] n. 1) a long, narrow mark, smear, band of color, or the like 2) a vein; stratum: streaks of fat in meat[/ex] 3) a slight ingredient; trace: a streak of humor[/ex] 4) cvb a) a spell; run: a streak of good luck[/ex] b) an… …   From formal English to slang

• streak — I. noun Etymology: Middle English streke, from Old English strica; akin to Old High German strich line, Latin striga row more at strike Date: before 12th century 1. a line or mark of a different color or texture from the ground ; stripe 2. a. the …   New Collegiate Dictionary