单词 | antibiotic |
释义 | antibiotic[ an-ti-bahy-ot-ik, -bee-, an-tee-, -tahy- ] / ˌæn tɪ baɪˈɒt ɪk, -bi-, ˌæn ti-, -taɪ- / SEE SYNONYMS FOR antibiotic ON THESAURUS.COM nounany 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. adjectiveof or involving antibiotics. Origin of antibiotic1855–60, for an earlier sense; anti- + biotic OTHER WORDS FROM antibiotican·ti·bi·ot·i·cal·ly, adverbWords nearby antibioticanti-basement membrane antibody, anti-basement membrane glomerulonephritis, Antibes, antibilious, antibiosis, antibiotic, antibiotic enterocolitis, antibiotics, resistance to, anti-Black, antiblastic, antibodies Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for antibioticBritish Dictionary definitions for antibioticantibiotic / (ˌæntɪbaɪˈɒtɪk) / nounany 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 adjectiveof or relating to antibiotics Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for antibioticantibiotic [ (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. notes for antibioticMicroorganisms that are initially treatable with antibiotics may evolve resistance as the more susceptible members of the population are killed off. (See resistance to antibiotics.) The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for antibioticantibiotic [ ăn′tĭ-bī-ŏt′ĭk, ăn′tī- ] n.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. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for antibioticantibiotic [ ăn′tĭ-bī-ŏt′ĭk ] NounA 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. AdjectiveRelating to antibiotics. Relating to antibiosis. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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