(mineralogy) The surface, usually made from unglazed porcelain, across which a mineral is dragged to determine its streak.

plural of streak plate

A series of mistakes, sometimes also with successes, that help to educate a person

An extended time frame in which a person feels the need to do lots of compulsive tasks, with each task often being neither fun nor rewarding, just to get rid of obsessive thoughts

plural of compulsive streak

plural of learning streak

plural of primitive streak

plural of streak of piss

(idiomatic) A defect in character characterized by persistent nastiness, viciousness, or malevolence.

Alternative form of fallstreak