1a long, thin line or mark of a different substance or colour from its surroundings:a streak of oil
Microbiology a narrow line of bacteria smeared on the surface of a solid culture medium.
2an element of a specified kind in someone’s character:there’s a streak of insanity in the familyLucy had a ruthless streak
[usually with adjective] a continuous period of specified success or luck:the theatre is on a winning streak
3 informal an act of running naked in a public place so as to shock or amuse others:a streak for charity
ზმნა
Universal
1 [with object] cover (a surface) with streaks:tears streaking her face, Cynthia looked uphis beard was streaked with grey
dye (hair) with long, thin lines of a different colour to that of one’s natural hair colour: [with object and complement]:hair that was streaked blonde
Microbiology smear (a needle, swab, etc.) over the surface of a solid culture medium to initiate a culture:swabs were streaked directly on blood agar plates
2 [no object, with adverbial of direction] move very fast in a specified direction:the cat streaked across the street
3 [no object] informal run naked in a public place so as to shock or amuse others:the singer admitted to streaking in his home town in the seventies
like a streak
informal very fast:he is off like a streak
streak of lightning
a flash of lightning:a streak of lightning split the sky
