Defn: Pertaining to, produced by, or involving, both the reflection and refraction of light; as, a catadioptric light. Hutton.

CATADIOPTRICS
Cat`a*di*op"trics, n.

Defn: The science which treats of catadioptric phenomena, or of the used of catadioptric instruments.

CATADROME
Cat"a*drome, n. Etym: [Gr.

1. A race course.

2. (Mach.)

Defn: A machine for raising or lowering heavy weights.

CATADROMOUS
Ca*tad"ro*mous, a. Etym: [Gr.

1. (Bot.)

Defn: Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; — said of a mode of branching in ferns, and opposed to anadromous.