(pharmacology) A bactericidal antibiotic, primarily used in the treatment of tuberculosis, whose effect is based on blocking the DNA-dependent RNA-polymerase of the bacteria.

rifampin

plural of rifamycin

(pharmacology) An antibiotic drug used in the treatment of tuberculosis.

(pharmacology) Any of a group of antibiotics, a subclass of the ansamycins, which are synthesized either naturally by the bacterium Amycolatopsis mediterranei or artificially.

(US, historical) A distinctive type of flintlock (later percussion cap) rifle used on the American frontier from 1700 to the 1850s.

Shallow and fast-flowing.

A rifle adapted to fire Minié balls.

Any of various rifles that propel the bullet at high velocity to maximize point-blank range.

Used to form intensified adjectives from nouns and adjectives.