penicillins

  • 81cephalosporin C — Cephalosporin Ceph a*lo*spor in (s[e^]f [.a]*l[ o]*sp[=o]r [i^]n), n. [from Cephalosporium, a fungus producing the first of the series discovered.] (Chem.) any of a class of chemical substances, some of which have therapeutically useful… …

    The Collaborative International Dictionary of English

  • 82cephalothin — Cephalosporin Ceph a*lo*spor in (s[e^]f [.a]*l[ o]*sp[=o]r [i^]n), n. [from Cephalosporium, a fungus producing the first of the series discovered.] (Chem.) any of a class of chemical substances, some of which have therapeutically useful… …

    The Collaborative International Dictionary of English

  • 83cephamycins — Cephalosporin Ceph a*lo*spor in (s[e^]f [.a]*l[ o]*sp[=o]r [i^]n), n. [from Cephalosporium, a fungus producing the first of the series discovered.] (Chem.) any of a class of chemical substances, some of which have therapeutically useful… …

    The Collaborative International Dictionary of English

  • 84Inhibit — In*hib it, v. t. [imp. & p. p. {Inhibited}; p. pr. & vb. n. {Inhibiting}.] [L. inhibitus, p. p. of inhibere; pref. in in + habere to have, hold. See {Habit}.] [1913 Webster] 1. To check; to hold back; to restrain; to hinder. [1913 Webster] Their… …

    The Collaborative International Dictionary of English

  • 85Inhibited — Inhibit In*hib it, v. t. [imp. & p. p. {Inhibited}; p. pr. & vb. n. {Inhibiting}.] [L. inhibitus, p. p. of inhibere; pref. in in + habere to have, hold. See {Habit}.] [1913 Webster] 1. To check; to hold back; to restrain; to hinder. [1913… …

    The Collaborative International Dictionary of English

  • 86Inhibiting — Inhibit In*hib it, v. t. [imp. & p. p. {Inhibited}; p. pr. & vb. n. {Inhibiting}.] [L. inhibitus, p. p. of inhibere; pref. in in + habere to have, hold. See {Habit}.] [1913 Webster] 1. To check; to hold back; to restrain; to hinder. [1913… …

    The Collaborative International Dictionary of English

  • 87Penicillamine — Pen i*cil lam*ine, n. (Chem., Med.) a substance ({C5H11NO2S}) which is a degradation product of the penicillins. Chemically it is 3 mercapto D valine. It has chelating properties and is used in medicine as an antirheumatic and to chelate copper… …

    The Collaborative International Dictionary of English

  • 88penicillin — pen i*cil lin, n. [From Penicillium, the fungus genus from which it was first isolated.] (Chem.) Any of a variety of substances having a structure containing a beta lactam ring fused to a thiirane ring, to which a carboxyl group is attached, most …

    The Collaborative International Dictionary of English

  • 89penicillin G — penicillin pen i*cil lin, n. [From Penicillium, the fungus genus from which it was first isolated.] (Chem.) Any of a variety of substances having a structure containing a beta lactam ring fused to a thiirane ring, to which a carboxyl group is… …

    The Collaborative International Dictionary of English

  • 90Penicillinase — Pen i*cil lin*ase, n. (Bioch.) an enzyme which destroys the antibacterial activity of penicillin by hydrolyzing the amide bond in the beta lactam ring. Many penicillinases are known, and are produced by a wide variety of bacteria. The production… …

    The Collaborative International Dictionary of English