(organic chemistry, biochemistry) Any glycosinolate in which the sugar component is glucose.

(in military combat) To indicate to an opposing force that one is surrendering. / (figuratively) To yield, give up, or quit.

(of people or situations) Unpleasant, odious, unsympathetic, harsh, (of person) crabby.

(astronomy) The explosion of a star, which increases its absolute magnitude to typically a billion times that of our sun. Some leave only debris, while others fade to invisibility as neutron stars ...