n. 敌手, 对手

[化] 对抗物; 拮抗物; 反协同剂; 反协同试剂

[医] 对抗肌, 拮抗肌, 拮抗药, 对抗剂, 对合牙

Antagonist \An*tag"o*nist\, n. [L. antagonista, Gr. ?; ? against
+ ? combatant, champion, fr. ?: cf. F. antagoniste. See
{Antagonism}.]
1. One who contends with another, especially in combat; an
adversary; an opponent.

Antagonist of Heaven's Almigthy King. --Milton.

Our antagonists in these controversies. --Hooker.

2. (Anat.) A muscle which acts in opposition to another; as a
flexor, which bends a part, is the antagonist of an
extensor, which extends it.

3. (Med.) A medicine which opposes the action of another
medicine or of a poison when absorbed into the blood or
tissues.

Syn: Adversary; enemy; opponent; foe; competitor. See
{Adversary}.


Antagonist \An*tag"o*nist\, a.
Antagonistic; opposing; counteracting; as, antagonist schools
of philosophy.