a long, narrow mark, smear, band of color, or the like:
streaks of mud.
a portion or layer of something, distinguished by color or nature from the rest; a vein or stratum:
streaks of fat in meat.
a vein, strain, or admixture of anything:
a streak of humor.
a spell or run:
a streak of good luck.
an uninterrupted series:
The team had a losing streak of ten games.
a flash leaving a visible line or aftereffect, as of lightning; bolt.
Mineralogy. the line of powder obtained by scratching a mineral or rubbing it upon a hard, rough white surface, often differing in color from the mineral in the mass, and serving as an important distinguishing character.
an elongated, narrow, superficial lesion on stems or leaf veins, becoming brown and necrotic.
any disease characterized by such lesions.
verb (used with object)
to mark with a streak or streaks; form streaks on:
sunlight streaking the water with gold; frost streaking the windows.
to lighten or color (strands of hair) for contrastive effect.
to dispose, arrange, smear, spread, etc., in the form of a streak or streaks:
to streak cold germs on a slide for microscopic study.
verb (used without object)
to become streaked.
to run, go, or work rapidly.
to flash, as lightning.
to make a sudden dash in public while naked, especially as a prank.
before 1000; (noun) Middle Englishstreke, akin to strike,Old Englishstrica stroke, line, mark; cognate with GermanStrich,Gothicstriks stroke, Latinstrigilstrigil; (v.) late Middle Englishstreken to cross out, derivative of the noun (akin to strike, stroke1)
O.E. strica "line of motion, stroke of a pen" (related to strican "pass over lightly," see strike), from P.Gmc. *strikon (cf. M.L.G. streke "stroke, line," O.H.G., Ger. strich, Goth. striks "stroke, line"), from PIE base *streig- (see strigil). Sense of "long, thin mark" is first found 1567. Meaning "a temporary run (of luck)" is from 1843.
1768, "to go quickly, to rush, run at full speed," respelling (by association with streak (n.)) of streek "to go quickly" (late 14c.), originally "to stretch oneself" (mid-13c.), a northern M.E. variant of stretch (v.). Streaking "running naked in public" first recorded 1973.
The characteristic color of a mineral after it has been ground into a powder. Because the streak of a mineral is not always the same as its natural color, it is a useful tool in mineral identification.
A bacterial culture inoculated by drawing a bacteria-laden needle across the surface of a solid culture medium. Also called streak plate.
Any of various viral diseases of plants characterized by the appearance of discolored stripes on the leaves or stems.