antibiotic with a wide spectrum

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• spectrum — 1. The range of colors presented when white light is resolved into its constituent colors by being passed through a prism or through a diffraction grating : red, orange, yellow, green, blue, indigo, and violet …   Medical dictionary

• spectrum — noun (plural spectra or spectrums) Etymology: New Latin, from Latin, appearance more at specter Date: 1671 1. a. a continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths …   New Collegiate Dictionary

• Antibiotic — In modern usage, an antibiotic is a chemotherapeutic agent with activity against microorganisms such as bacteria, fungi or protozoa. [cite book|author=Davey PG|chapter=Antimicrobial chemotherapy|editor=Ledingham JGG, Warrell DA|title=Concise… …   Wikipedia

• Antibiotic resistance — is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic. While a spontaneous or induced genetic mutation in bacteria may confer resistance to antimicrobial drugs, genes that confer resistance can be… …   Wikipedia

• Antibiotic — A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually… …   Medical dictionary

• antibiotic — antibiotically, adv. /an ti buy ot ik, bee , an tee , tuy /, Biochem., Pharm. n. 1. any of a large group of chemical substances, as penicillin or streptomycin, produced by various microorganisms and fungi, having the capacity in dilute solutions… …   Universalium

• antibiotic — n. a substance, produced by or derived from a microorganism, that destroys or inhibits the growth of other microorganisms. Antibiotics are used to treat infections caused by organisms that are sensitive to them, usually bacteria or fungi. They… …   The new mediacal dictionary

• Broad-spectrum antibiotic — The term broad spectrum antibiotic refers to an antibiotic with activity against a wide range of disease causing bacteria. It is also means that it acts against both Gram positive and Gram negative bacteria. This is in contrast to a narrow… …   Wikipedia

• aztreonam — A synthetic bactericidal monolactam antibiotic with a wide spectrum of activity against Gram negative aerobic pathogens. * * * az·tre·o·nam .az trē ō .nam, az trē n a synthetic monobactam antibiotic C13H17N5O8S2 used esp. against gram negative… …   Medical dictionary

• Agent, antibiotic — A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually… …   Medical dictionary

• Drug, antibiotic — A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually… …   Medical dictionary