[plahy-o-truh-pee] /plaɪˈɒ trə pi/
the phenomenon of one gene being responsible for or affecting more than one phenotypic characteristic.
1921, from German pleiotrop (1910), from Greek pleion “greater in quantity, the more part, very many,” (see pleio-) + trope “turn, turning” (see trope). Related: Pleiotropic; pleiotropism.
[plahy-stuh-seen] /ˈplaɪ stəˌsin/ Geology adjective 1. noting or pertaining to the epoch forming the earlier half of the Quaternary Period, beginning about two million years ago and ending 10,000 years ago, characterized by widespread glacial ice and the advent of modern humans. noun 2. the Pleistocene Epoch or Series. /ˈplaɪstəˌsiːn/ adjective 1. of, denoting, or […]
[pli-kah-nawf, -nof; Russian plyi-khah-nuh f] /plɪˈkɑ nɔf, -nɒf; Russian plyɪˈxɑ nəf/ noun 1. Georgi (or Georgy) Valentinovich [gyi-awr-gyee-vuh-lyin-tyee-nuh-vyich] /gyɪˈɔr gyi və lyɪnˈtyi nə vyɪtʃ/ (Show IPA), 1857–1918, Russian philosopher and leader of the Mensheviks. /Russian pljɪˈçɑnof/ noun 1. Georgi Valentinovich (ˈɡjɪorɡji valɪnˈtjinəvjɪʃ). 1857–1918, Russian revolutionary; founder of Russian Marxism and leader of the Russian Social […]
[plee-nuh m, plen-uh m] /ˈpli nəm, ˈplɛn əm/ noun, plural plenums, plena [plee-nuh, plen-uh] /ˈpli nə, ˈplɛn ə/ (Show IPA) 1. the state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure. 2. a full assembly, as a joint legislative assembly. 3. a space, usually above […]
[plee-nuh-ree, plen-uh-] /ˈpli nə ri, ˈplɛn ə-/ adjective 1. full; complete; entire; absolute; unqualified: plenary powers. 2. attended by all qualified members; fully constituted: a plenary session of Congress. noun, plural plenaries. 3. a plenary session, meeting, or the like. /ˈpliːnərɪ; ˈplɛn-/ adjective 1. full, unqualified, or complete: plenary powers, plenary indulgence 2. (of assemblies, […]