1

antibiotic

play
noun an·ti·bi·ot·ic \ˌan-tē-bī-ˈä-tik, -ˌtī-; -bē-ˈä-\

Definition of antibiotic

  1. :  a substance produced by or a semisynthetic (see semisynthetic 1) substance derived from a microorganism and able in dilute solution to inhibit or kill another microorganism The doctor prescribed an antibiotic to treat the infection.

Origin and Etymology of antibiotic

see biotic


2

antibiotic

adjective an·ti·bi·ot·ic

Definition of antibiotic

  1. 1 :  tending to prevent, inhibit, or destroy life

  2. 2 :  of or relating to antibiotics or to antibiosis antibiotic drugs

antibiotically

play \-ti-k(ə-)lē\ adverb

Origin and Etymology of antibiotic

see biotic


ANTIBIOTIC Defined for English Language Learners

antibiotic

noun

Definition of antibiotic for English Language Learners

  • medical : a drug that is used to kill harmful bacteria and to cure infections


ANTIBIOTIC Defined for Kids

antibiotic

play
noun an·ti·bi·ot·ic \ˌan-ti-bī-ˈä-tik\

Definition of antibiotic for Students

  1. :  a substance produced by living things and especially by bacteria and fungi that is used to kill or prevent the growth of harmful germs


Medical Dictionary

1

antibiotic

play play
adjective an·ti·bi·ot·ic \-bī-ˈät-ik; -bē-\

Medical Definition of antibiotic

  1. 1:  tending to prevent, inhibit, or destroy life

  2. 2:  of or relating to antibiotics or to antibiosis

antibiotically

\-i-k(ə-)lē\play adverb

2

antibiotic

noun an·ti·bi·ot·ic

Medical Definition of antibiotic

  1. :  a substance produced by or a semisynthetic substance derived from a microorganism and able in dilute solution to inhibit or kill another microorganism



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