先行;先在;逆行
Antecedence \An`te*ced"ence\, n.
1. The act or state of going before in time; precedence. --H.
Spenser.
2. (Astron.) An apparent motion of a planet toward the west;
retrogradation.
antecedence
n : preceding in time [syn: {priority}, {antecedency}, {anteriority},
{precedence}, {precedency}] [ant: {posteriority}]