CRINOIDEA n.
A large class of Echinodermata, including numerous extinct families and genera, but comparatively few living ones. Most of the fossil species, like some that are recent, were attached by a jointed stem. See Blastoidea, Cystoidea, Comatula.
CROSS a.
pt; the lateral divisions of a cruciform church. -- Cross axie. (a) (Mach.) A shaft, windlass, or roller, worked by levers at opposite ends, as in the copperplate printing press. (b) A driving axle. with cranks set at an angle of 90º with each other. -- Cross bedding (Geol.), oblique lamination of horizontal beds, --…
CRYSTALLITE n.
A minute mineral form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline and not referable to any mineral species, but marking the first step in the crystallization process. According to their form crystallites are called trichites, belonites, globulites, etc.…
CUP n.
A cupping glass or other vessel or instrument used to produce the vacuum in cupping. Cup and ball, a familiar toy of children, having a cup on the top of a piece of wood to which, a ball is attached by a cord; the ball, being thrown up, is to be caught in the cup; bilboquet. Milman.- Cup and can, familiar companions.…
CUPPING n.
the spot. Also, sometimes, a similar operation for drawing pus from an abscess. Cupping glass, a glass cup in which a partial vacuum is produced by heat, in the process of cupping. -- Dry cupping, the application of a cupping instrument without scarification, to draw blood to the surface, produce counter irritation,…