(Encyclopedia) Lipscomb, William Nunn, Jr.Lipscomb, William Nunn, Jr.lĭpˈskəm [key], 1919–2011, American physical chemist, b. Cleveland, Ph.D. California Institute of Technology, 1946. A professor of…
(Encyclopedia) Gasser, Herbert SpencerGasser, Herbert Spencergăsˈər [key], 1888–1963, American physiologist, b. Platteville, Wis., grad. Univ. of Wisconsin (B.A., 1910; M.A., 1911), M.D. Johns…
(Encyclopedia) elasmobranchelasmobranchĭlăsˈməbrăngk [key], cartilaginous fish, member of the subclass Elasmobranchii of the vertebrate class Chondrichthyes (see Chordata). This group includes sharks…
(Encyclopedia) pentimentopentimentopĕnˌtəmĕnˈtō [key], painter's term for the evidence in a work that the original composition has been changed. Often the opaque pigment with which the artist covered…
[Constitution to be considered adopted when ratified by nine states.] The ratification of the conventions of nine States shall be sufficient for the establishment of this Constitution between the…
(Encyclopedia) pulsar, in astronomy, a neutron star that emits brief, sharp pulses of energy instead of the steady radiation associated with other natural sources. The study of pulsars began when…
(Encyclopedia) Severnaya ZemlyaSevernaya Zemlyasyĕˈvĭrnīə zĭmlyäˈ [key] [Rus.,=northern land], archipelago, c.14,300 sq mi (37,010 sq km), between the Kara and Laptev seas, Krasnoyarsk Territory, N…
