antagonist

nounB2

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

antagonists

1.
An opponent or enemy.
2.
One who antagonizes or stirs.
3.
(biochemistry) A chemical that binds to a receptor but does not produce a physiological response, blocking the action of other agonist chemicals, such as endogenous chemical messengers.
2001: The calcium antagonists represent one of the top ten classes of prescription drugs in terms of commercial value, with worldwide sales of nearly $10 billion in 1999. — Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 41)
Đồng nghĩa: blocker
4.
(authorship) The main character or force opposing the protagonist in a literary work or drama.
5.
(anatomy) A muscle that acts in opposition to another.
A flexor, which bends a part, is the antagonist of an extensor, which extends it.

Từ liên quan

Đồng nghĩa

blocker

Trái nghĩa

agonistprotagonistagonist biochemistry

Cùng gốc / liên quan

fibankinralukastsetrontantarchantagonistsartanantagonisticradioantagonistcalcantagonistreceptor antagonist

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Nguồn gốc từ

ine-pro From Latin antagonista, from Ancient Greek ἀνταγωνιστής (opponent) (ἀντί (against) + ἀγωνιστής (a combatant, pleader, actor)), from ἀνταγωνίζομαι (to antagonize).