streak


1streak

noun \ˈstrēk\

Definition of STREAK

1
: a line or mark of a different color or texture from the ground : stripe
2
a : the color of the fine powder of a mineral obtained by scratching or rubbing against a hard white surface and constituting an important distinguishing character b : inoculum implanted in a line on a solid medium c : any of numerous virus diseases of plants (as tobacco and maize) resembling mosaic but usually producing at least some linear markings
3
a : a narrow band of light b : a lightning bolt
4
a : a slight admixture : trace <had a mean streak in him> b : a brief run (as of luck) c : a consecutive series <was on a winning streak>
5
: a narrow layer (as of fat)
6
: an act or instance of streaking

Examples of STREAK

  1. He left streaks where he wiped the glass.
  2. The miners had streaks of coal dust on their faces.
  3. a streak of 11 straight victories

Origin of STREAK

Middle English streke, from Old English strica; akin to Old High German strich line, Latin striga row — more at strike
First Known Use: before 12th century

Other Mineralogy Terms

agate, host, inclusion, matrix

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