any of a large group of chemical substances, as penicillin or streptomycin, produced by various microorganisms and fungi, having the capacity in dilute solutions to inhibit the growth of or to destroy bacteria and other microorganisms, used chiefly in the treatment of infectious diseases.
of or involving antibiotics.
any of various chemical substances, such as penicillin, streptomycin, chloramphenicol, and tetracycline, produced by various microorganisms, esp fungi, or made synthetically and capable of destroying or inhibiting the growth of microorganisms, esp bacteria
of or relating to antibiotics
1894, “destructive to micro-organisms,” from French antibiotique (c.1889), from anti- “against” (see anti-) + biotique “of (microbial) life,” from Late Latin bioticus “of life” (see biotic). As a noun, first recorded 1941 in works of U.S. microbiologist Selman Waksman (1888-1973), discoverer of streptomycin. Earlier the adjective was used in a sense “not from living organisms” in debates over the origins of certain fossils.
antibiotic an·ti·bi·ot·ic (ān’tĭ-bī-ŏt’ĭk, ān’tī-)
A substance, such as penicillin or streptomycin, produced by or derived from certain fungi, bacteria, and other organisms, that can destroy or inhibit the growth of other microorganisms. adj.
Of or relating to antibiotics.
Of or relating to antibiosis.
Noun A substance, such as penicillin, that is capable of destroying or weakening certain microorganisms, especially bacteria or fungi, that cause infections or infectious diseases. Antibiotics are usually produced by or synthesized from other microorganisms, such as molds. They inhibit pathogens by interfering with essential intracellular processes, including the synthesis of bacterial proteins. Antibiotics do not kill viruses and are not effective in treating viral infections.
Relating to antibiotics.
Relating to antibiosis.
antibiotic [(an-ti-beye-ot-ik, an-teye-beye-ot-ik, an-ti-bee-ot-ik)]
A substance that destroys or inhibits the growth of microorganisms and is therefore used to treat some infections. One of the most familiar antibiotics is penicillin.
Note: Microorganisms that are initially treatable with antibiotics may evolve resistance as the more susceptible members of the population are killed off. (See resistance to antibiotics.)
of or relating to Great Britain or its inhabitants. used especially by natives or inhabitants of Great Britain: In this dictionary, “Brit.” is an abbreviation for “British usage.”. the people native to or inhabiting Great Britain. . the Celtic language of the ancient Britons. Contemporary Examples His beating up of BP has clinched his anti-british […]
of, relating to, or characteristic of a or a ; arbitrary and routine. Contemporary Examples The nationally visible Democrats rising behind Obama generally share his pro-capitalist, anti-bureaucratic, Reaganized liberalism. The Rise of the New New Left Peter Beinart September 11, 2013 adjective of or relating to bureaucrats; characterized by bureaucracy adj. 1836, from French bureaucratique […]
the felony of breaking into and entering the house of another at night with intent to steal, extended by statute to cover the breaking into and entering of any of various buildings, by night or day. noun (pl) -ries (English criminal law) the crime of either entering a building as a trespasser with the intention […]
opposing legislation that requires the of students to schools outside their neighborhoods, especially as a means of achieving socioeconomic or racial diversity among students in a public school.