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ringworm

(Encyclopedia) ringworm or tinearingwormtĭnˈēə [key], superficial eruption of the skin caused by a fungus, chiefly Microsporum, Trichophyton, or Epidermophyton. Any area of the skin may be affected,…

Epiphany

(Encyclopedia) EpiphanyEpiphanyĭpĭfˈənē [key] [Gr.,=showing], a prime Christian feast, celebrated Jan. 6, called also Twelfth Day or Little Christmas. Its eve is Twelfth Night. It commemorates three…

Macdonough, Thomas

(Encyclopedia) Macdonough, ThomasMacdonough, Thomasməkdŏnˈə [key], 1783–1825, American naval officer, b. New Castle co., Del. In the Tripolitan War he took part in the burning of the captured…

Olah, George Andrew

(Encyclopedia) Olah, George Andrew, 1927–2017, American chemist, b. Budapest, Ph.D. Budapest Univ. of Technology and Economics, 1949. Olah was a researcher at Dow Chemical from 1957 to 1965 and a…

chloropicrin

(Encyclopedia) chloropicrinchloropicrinklōrˌəpĭkˈrĭn [key], colorless oily liquid used as a poison gas. It is a powerful irritant, causing lachrymation, vomiting, bronchitis, and pulmonary edema;…

Fry, Christopher

(Encyclopedia) Fry, Christopher, 1907–2005, English dramatist, b. Bristol as Christopher Fry Harris. Like his friend and mentor, T. S. Eliot, he was one of the few 20th-century dramatists to write…

sulfuric acid

(Encyclopedia) sulfuric acid, chemical compound, H2SO4, colorless, odorless, extremely corrosive, oily liquid. It is sometimes called oil of vitriol. Although sulfuric acid is now one of the…

tetraethyl lead

(Encyclopedia) tetraethyl leadtetraethyl leadtĕtˌrəĕthˈəl [key], (C2H5)4Pb, viscous, colorless, poisonous liquid. It is an organometallic compound prepared by reacting ethyl chloride with a sodium-…

Jerome of Prague

(Encyclopedia) Jerome of Prague, c.1370–1416, Bohemian religious reformer. During his studies at Prague and at Oxford, Jerome was influenced by the doctrinal views of John Wyclif. He continued to…

New London

(Encyclopedia) New London, city (1990 pop. 24,540), New London co., SE Conn., on the Thames River near its mouth on Long Island Sound; laid out 1646 by John Winthrop, inc. 1784. It is a deepwater…