• (a.) Having spirals of changing direction. • (a.) Moving in opposite directions; -- said of a lever, pulley, etc., in which the resistance and the actuating force are on opposite sides of the fulcrum or axis.
(het″әr-od´ro-mәs) moving or acting in other than the usual or forward direction.
Het`er·od'ro·mous adjective [ Hetero- + Greek ... to run.] 1. (Botany) Having spirals of changing direction. Gray. 2. (Mech.) Moving in opposite directions; -- said of a lever, pulley, etc., in which the resistance and the actuating force are on opposite s...
Type: Term Pronunciation: het′ĕr-ōd′rŏ-mŭs Definitions: 1. Moving in the opposite direction.
heterodromous 1. Running in different or opposite directions. 2. Turning in opposite directions on the main stem and on a branch, as the generating spiral of a phyllotaxis.