(organic chemistry) An oxylipin lipid, containing a cyclopentanone ring, related to the prostaglandins; its esters, the jasmonates, are responsible for the smell of jasmine and act as plant hormones

plural of screwdriver

(music) A brass instrument from the Renaissance and Baroque Eras, and an ancestor of the modern trombone. It was derived from the medieval slide trumpet.

present participle of self-destruct