anti-, ant-

1. Hostility or hatred causing opposition and ill will.
2. Opposition between forces or principles.
3. In physiology, the interaction between two or more chemical substances in the body that diminishes the effect each of them has individually.
4. In physiology, the opposing force that usually exists between parts of muscles.

1. The region around the South Pole; such as, Antarctica and the surrounding waters.
2. As antarctic, found in, coming from, or associated with this region.

Most compound entries using this term may be spelled either Antarctic or antarctic.

Against a substance that neutralizes poisons or their effects.

A record of the resistance of microbes to various antibiotics.

A microorganism producing antimicrobial substances; antipathetic organisms.

1. A condition of antagonism between organisms, especially micro-organisms (antonym of symbiosis).
2. The antagonistic association between two organisms in which one species adversely affects the other, often by production of a toxin.
3. An association of two organisms which is detrimental to one of them, in contrast to probiosis.
4. Production of an antibiotic by bacteria or other organisms inhibitory to other living things, especially among soil microbes.

1. Related to antibiosis.
2. Destructive of life.
3. A chemical substance produced by a microorganism that has the capacity, in dilute solutions, to inhibit the growth of or to kill other microorganisms.
4. Opposed to a belief in the presence or the possibility of life.