(Encyclopedia) cephalosporincephalosporinsĕfˌəlōspôrˈĭn [key], any of a group of more than 20 antibiotics derived from species of fungi of the genus Cephalosporium and closely related chemically to…
Tori AmosAustin Powers - The Spy Who Shagged Me SoundtrackBackstreet BoysBeckBen Folds FiveBlack CrowesBlondieGarth BrooksThe CardigansMariah CareyThe Chemical BrothersContinental DriftersChris…
(Encyclopedia) latent heat, heat change associated with a change of state or phase (see states of matter). Latent heat, also called heat of transformation, is the heat given up or absorbed by a unit…
(Encyclopedia) Persons or Parsons, RobertPersons or Parsons, Robertboth: pärˈsənz [key], 1546–1610, English Jesuit missionary. He left a fellowship at Balliol College, Oxford, and went to the…
(Encyclopedia) chloramphenicolchloramphenicolklōrˌămfĕnˈəkŏlˌ [key], antibiotic effective against a wide range of gram-negative and gram-positive bacteria (see Gram's stain). It was originally…
(Encyclopedia) calorie, abbr. cal, unit of heat energy in the metric system. The measurement of heat is called calorimetry. The calorie, or gram calorie, is the quantity of heat required to raise the…
(Encyclopedia) tetracyclinetetracyclinetĕˌtrəsīˈklēn [key], any of a group of antibiotics produced by bacteria of the genus Streptomyces. Effective against a wide range of Gram positive and Gram…
(Encyclopedia) lincomycinlincomycinlĭngˌkōmīˈsĭn [key], antibiotic isolated from bacteria of the genus Streptomyces. Similar in activity to erythromycin, it is effective against most gram-positive…
(Encyclopedia) bacitracinbacitracinbăsˌĭtrāˈsĭn [key], antibiotic produced by a strain of the bacterial species Bacillus subtilis. It is widely used for topical therapy such as for skin and eye…
(Encyclopedia) ampicillinampicillinămˌpĭsĭlˈĭn [key], a penicillin-type antibiotic that is effective against both gram-negative microorganisms and gram-positive microorganisms such as Escherichia…
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