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acetaminophen

(Encyclopedia)acetaminophen əsētˌəmĭnˈəfĭn [key], an analgesic and fever-reducing medicine. It is an active ingredient in many over-the-counter medicines, including Tylenol and Midol. Introduced in the earl...

Murder, Inc.

(Encyclopedia)Murder, Inc., name given to the band of professional killers who operated (1930–40) throughout the United States as the enforcement arm of the Syndicate, composed of the national heads of organized ...

acetylcholine

(Encyclopedia)acetylcholine əsētˌəlkōˈlēn [key], a small organic molecule liberated at nerve endings as a neurotransmitter. It is particularly important in the stimulation of muscle tissue. The transmission ...

license

(Encyclopedia)license, in public law, permission by legal authority to engage in certain acts and also the document showing such permission. Some licenses are required for the protection of the public; they assure ...

Celestine V, Saint

(Encyclopedia)Celestine V, Saint, 1215–96, pope (elected July 5, resigned Dec. 13, 1294), an Italian (b. Isernia) named Pietro del Murrone; successor of Nicholas IV. Celestine's election ended a two-year deadlock...

surface chemistry

(Encyclopedia)surface chemistry, study of chemical reactions in which the reactants are first adsorbed onto a surface medium (see adsorption) that then acts as a catalyst for the reaction; after the reaction the pr...

vancomycin

(Encyclopedia)vancomycin vănˌkōmīˈsĭn [key], antibiotic resembling penicillin in the way it acts. It is derived from the bacterium Streptomyces orientalis, which was isolated from soil of India and Indonesia....

Rutherford, Samuel

(Encyclopedia)Rutherford, Samuel, 1600–1661, Scottish clergyman. His Exercitationes apologeticae pro divina gratia (1636), urging a Calvinist view of grace against Arminianism (see under Arminius, Jacobus), cause...

Ryan, Kay

(Encyclopedia)Ryan, Kay, 1945–, American poet, b. San Jose, Calif., grad. Univ. of California at Los Angeles (B.A., 1967; M.A., 1968). She taught remedial English in a Marin co. community college for more than 30...

trunkfish

(Encyclopedia)trunkfish, any member of a family of fishes, Ostraciidae, also called boxfishes, that have short triangular bodies covered by firmly united hexagonal bony plates. Only the jaw, the bases of the fins, ...