CROOKEN
Crook"en (krk"'n), v. t.
Defn: To make crooked. [Obs.]
CROOKES SPACE Crookes space (krooks). [After Sir William Crookes, English chemist, who first described it.] (Physics)
Defn: The dark space within the negative-pole glow at the cathode of a vacuum tube, observed only when the pressure is low enough to give a striated discharge; — called also Crookes layer.
CROOKES TUBE
Crookes" tube` (krks" tb`). (Phys.)
Defn: A vacuum tube in which the exhaustion is carried to a very high degree, with the production of a distinct class of effects; — so called from W. Crookes who introduced it.
CROOKNECK
Crook"neck`, n.
Defn: Either of two varieties of squash, distinguished by their tapering, recurved necks. The summer crookneck is botanically a variety of the pumpkin (Cucurbita pepo) and matures early in the season. It is pale yellow in color, with warty excrescences. The winter crookneck belongs to a distinct species (C. moschata) and is smooth and often striped. [U. S.]
CROON
Croon (krn), v. i. Etym: [OE. croinen, cf. D. kreunen to moan.
1. To make a continuous hollow moan, as cattle do when in pain. [Scot.] Jamieson.