Antibiotic – Full Definition
|Antibiotic – [an″te-, an″ti-bi-ot´ik] – noun|
1. destructive of life.
2. a chemical substance produced by a microorganism that has the capacity, in dilute solutions, to kill other microorganisms or inhibit their growth. Antibiotics that are sufficiently nontoxic to the host are used as chemotherapeutic agents in the treatment of infectious diseases. See also antimicrobial agent.
antineoplastic a’s (antitumor a’s) a class of antineoplastic agents that apparently affect the function or the synthesis, or both, of nucleic acids and thus are cell cycle nonspecific. See also antineoplastic therapy.
broad-spectrum antibiotic one that is effective against a wide range of bacteria, both gram-positive and gram-negative.
β-lactam antibiotic any of a group of antibiotics, including the cephalosporins and the penicillins, whose chemical structure contains a β-lactam ring.
A substance, such as penicillin or erythromycin, produced by or derived from certain microorganisms, including fungi and bacteria, that can destroy or inhibit the growth of other microorganisms, especially bacteria. Antibiotics are widely used in the prevention and treatment of infectious diseases.
adj.1. Of or relating to antibiotics.
2. Of or relating to antibiosis.
3. Destroying life or preventing the inception or continuance of life.
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