chem

a. Chemical. Blackw. Mag. [ 1913 Webster ]

n. A substance used for producing a chemical effect; a reagent. [ 1913 Webster ]

a. Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations. [ 1913 Webster ]

Chemical attraction or
Chemical affinity. See under Attraction. [ 1913 Webster ]

adv. According to chemical principles; by chemical process or operation. [ 1913 Webster ]

a. [ Chemical + &unr_; to engrave. ] Engraved by a voltaic battery. [ 1913 Webster ]

n. [ Chemical + -graphy. ] Any mechanical engraving process depending upon chemical action; specif., a process of zinc etching not employing photography. -- Chem`i*graph"ic a. [Webster 1913 Suppl.]

n. A garment for women, consisting of chemise and drawers united in one. [ U. S. ] [ 1913 Webster ]

{ n. Formerly also }. [ Chemical + Gr. &unr_; arrangement, fr. &unr_; to arrange. ] (Biol.) The sensitiveness exhibited by small free-swimming organisms, as bacteria, zoospores 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. [ Webster 1913 Suppl. ]