Guest

streak

/stɹiːk/ · streak
noun
  1. An irregular line left from smearing or motion. The picture I took out the car window had streaks.
  2. A continuous series of like events. I hope I can keep up this streak of accomplishments.
  3. The color of the powder of a mineral. The geologist examined the streak of the mineral sample.
verb
  1. To have or obtain streaks. If you clean a window in direct sunlight, it will streak.
  2. To run naked in public. It was a pleasant game until some guy went streaking across the field.
  3. To create streaks. You will streak a window by cleaning it in direct sunlight.
Did you know? The streak test is a simple field test used to identify minerals, where a small amount of the mineral is rubbed against unglazed white porcelain to determine its streak color.
Written by Lexi Wordsworth, Dictionary Editor 3 lookups Added Jul 29, 2026