beta-lactam — Lactam Lac tam, n. [Lactone + amido.] (Chem.) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol; a cyclic amide. [1913 Webster] {beta lactam} or {[beta] lactam}, (a) a lactam in which the amide bond is… … The Collaborative International Dictionary of English
Beta-lactam — | | | | | | |A beta lactam ring (β lactam) or penam is a lactam with a heteroatomic ring structure, consisting of three carbon atoms and one nitrogen atom [Heterocyclic chemistry T.L. Gilchrist ISBN 0 582 01421 2 ] . Clinical significanceThe beta … Wikipedia
beta-lactam — be·ta lac·tam or ß lactam .bāt ə lak .tam, chiefly Brit .bē tə n any of a large class of natural and semisynthetic antibiotics (as the penicillins and cephalosporins) with a lactam ring ß lactam, ß lactamase var of BETA LACTAM, BETA LACTAMASE … Medical dictionary
beta-lactam antibiotic — Lactam Lac tam, n. [Lactone + amido.] (Chem.) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol; a cyclic amide. [1913 Webster] {beta lactam} or {[beta] lactam}, (a) a lactam in which the amide bond is… … The Collaborative International Dictionary of English
Beta-lactam Ring Records — is an American record label that began in 2000 in Austin, Texas and relocated to [Portland, Oregon] in 2001. External links* [http://www.blrrecords.com// Official site] … Wikipedia
beta-lactam — beta lac·tam … English syllables
Beta-lactam antibiotic — β lactam antibiotics are a broad class of antibiotics that include penicillin derivatives, cephalosporins, monobactams, carbapenems, and β lactamase inhibitors, that is, any antibiotic agent that contains a β lactam nucleus in its molecular… … Wikipedia
beta-lactam antibiotic — one of a group of drugs that includes the penicillin and the cephalosporin. All have a four membered beta lactam ring as part of their molecular structure. Beta lactam antibiotics function by interfering with the growth of the cell walls of… … Medical dictionary
beta-lactam antibiotic — one of a group of drugs that includes the penicillins and the cephalosporins. All have a four membered beta lactam ring as part of their molecular structure. Beta lactam antibiotics function by interfering with the growth of the cell walls of… … The new mediacal dictionary
beta-lactam — noun A lactam having a four membered ring structure; a structural element of many antibiotics such as penicillin. Syn: penam … Wiktionary