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antechoir
antedate
antediluvian
antefix
antegrade amnesia
antelope
antemeridian
antemortem
antenatal
antenna
antenna farm
antenna head
antennal gland
antenuptial
antenuptial contract
antepartum
antepartum hemorrhage
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antagonism

an·tag·o·nism [ an tággə nìzzəm ]


noun 
Definition:
 
1. hostility: hostility or hatred causing opposition and ill will

2. opposition: opposition between forces or principles
the antagonism between good and evil

3. biochemistry neutralizing interaction between chemicals: the interaction between two or more chemical substances in the body that diminishes the effect that each of them has individually

4. physiology opposition between muscles: the opposing force that usually exists between pairs of muscles

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