crookesite (kruksit)

an English chemist.) A rare metallic mineral consisting of the selenids of copper, thallium, and silver. Crookes's tubes. See vacuum, and radiant en ergy, under energy. crookneck (krük'nek), a. Having a crooked neck: applied to several varieties of squash having a long recurved neck. crook-rafter (krük'rafter), n. Same as knee rafter. crool (kröl), v. i. [Imitative; cf. croodle, crood, croon, croo.] To mutter. Minsheu, 1617. Frogs, from all the waters around, crooled , chubbed, and croaked. S. Judd , Margaret, i, 14. croon (krön), v. [Introduced from Sc.; Sc. also written crune, croyn, crone; IMG:content-1655.png:[blocks in formation] The fragment of the childish hymn with which he sung Dickens . and crooned himself asleep. They [catbirds] differ greatly in vocal talent, but all have a delightful way of crooning over, and as it were rehearsing, their song in an undertone.