CHEMOTAXIS; CHEMIOTAXIS n.
bacteria, zoöspores of algæ, etc., to chemical substances held in solution. They may be attracted (positive chemotaxis) or repelled (negative chemotaxis). -- Chem`o*tac"tic (#), a. -- Chem`o*tac"tic*al*ly, adv.
CHOSE n.
ed to possession, but recoverable by suit at law; as a right to recover money due on a contract, or damages for a tort, which can not be enforced against a reluctant party without suit. -- Chose in possession, a thing in possession, as distinguished from a thing in action. -- Chose local, a thing annexed to a place,…
CHRYSOPHANIC a.
, or resembling, chrysophane. Chrysophanic acid (Chem.), a yellow crystalline substance extracted from rhubarb, yellow dock, sienna, chrysarobin, etc., and shown to be a derivative of an anthracene. It is used in the treatment of skin diseases; -- called also rhein, rheic acid, rhubarbarin, etc.