(biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure

Usage examples of antagonism.

Holding these pronounced views, aggressively loyal in every thought and action, General Pope was naturally in antagonism with the policy of the President.

The misery they inflicted was not the motive of their schemes, but an unpleasant incident, and usually the sufferers were men of other races and religions, for whom sympathy had been dulled by long antagonism.

There is need of an Irenicum, for the fact is painfully notorious that there is an antagonism between scientific men as a class, and religious men as a class.

I slept a little and woke to feelings of unease, something like foreboding, remembering, as I still lay reclined on my couch, the marks of division so evident at the majlis that morning, the antagonisms that stirred among us.

Just as capital moves forward to restructure production and employ new technologies only as a response to the organized threat of worker antagonism, so too European capital would not relinquish slave production until the organized slaves posed a threat to their power and made that system of production untenable.

Stoic rationalism, in its logical development, is menaced wherever we meet the perception that the course of the world must in some way be helped, and wherever the contrast between reason and sensuousness, that the old Stoa had confused, is clearly felt to be an unendurable state of antagonism that man cannot remove by his own unaided efforts.

Antagonism between clones and summerlings was pretty intense in Long Valley.

The antagonism over the open assistance to fugitives and the celebrity status acquired by such former slaves as Frederick Douglass, Harriet Tubman, and the Crafts were crucial in fanning the flames of hatred and mistrust between slave and free regions, making any compromise over slavery difficult if not impossible.

There is not an ultraist at the North, whom, if he had their confidence, and were not put in antagonism to him, the Southerners could not make ashamed, and put to silence, by telling him evil things about slavery, which he had never contemplated, and by admitting most fully things which he would expect them to deny.

Upon this ugly race antagonism it is not necessary to enlarge here in discussing the problem of education, and I will leave it with the single observation that I have heard intelligent negroes, who were honestly at work, accumulating property and disposed to postpone active politics to a more convenient season, say that they had nothing to fear from the intelligent white population, but only from the envy of the ignorant.

In fact, Anarchism alone makes non-authoritarian organization of common interests possible, since it abolishes the existing antagonism between individuals and classes.

However, the Zionist antagonism against the assimilationist socialist Jews made them the local and international apologists for the Christian Socials.

Of Barish-Windlow and Himaggery, circling one another in mixed antagonism and love, Himaggery full of protest and fury at the fate of the hundred thousand in the ice caverns, Windlow equally distraught, Barish trying to fight them on two fronts, justifying his experiment on the grounds of human progress.

Unfortunately the antagonism between physostigmine and atropine is not perfect, and Sir Thomas Fraser has shown that in such cases there comes a time when, if the action of the two drugs be summated, death results sooner than from either alone.

Fabre thus agrees with Pasteur, who in the world of the infinitely little shows us the same antagonisms, the same vital competition, the same eternal movement of flux and reflux, the same whirlpool of life, which is extinguished only to reappear: tending always towards an equilibrium which is incessantly destroyed.