1. noun /ˈaɪ.sə.təʊp,ˈaɪ.sə.toʊp/
Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms for the same isotope will have the same atomic number but a different mass number (atomic weight).
2. verb /ˈaɪ.sə.təʊp,ˈaɪ.sə.toʊp/
To define or demonstrate an isotopy of (one map with another).
See Also: homotope

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  • isotope — [ izɔtɔp ] n. m. • 1922; angl. 1913; de iso et du gr. topos « lieu, place » ♦ Chacun des éléments de même numéro atomique (occupant la même place dans la classification de Mendeleïev), mais de masse atomique différente. Les isotopes 12, 13 et 14… …   Encyclopédie Universelle

  • Isotope —   [zu griechisch tópos »Platz«, »Stelle« (mit Bezug auf die gleiche Stelle im Periodensystem der chemischen Elemente)], Singular Isotop das, s, Atomkerne (Nuklide) mit gleicher Protonenzahl (Kernladungszahl, Ordnungszahl) …   Universal-Lexikon

  • isotope — isotope. См. изотоп. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • isotope — (n.) 1913, lit. having the same place, introduced by British chemist Frederick Soddy (1877 1956) on suggestion of Margaret Todd, from Gk. isos equal + topos place; so called because despite the different atomic weights, the various forms of an… …   Etymology dictionary

  • isotope — ► NOUN Chemistry ▪ each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. DERIVATIVES isotopic adjective. ORIGIN from Greek isos equal + topos place , because the… …   English terms dictionary

  • isotope — [ī′sə tōp΄] n. [< ISO + Gr topos, place: see TOPIC] any of two or more forms of an element having the same or very closely related chemical properties and the same atomic number but different atomic weights (or mass numbers) [U 235, U 238, and …   English World dictionary

  • isotope — isotopic /uy seuh top ik/, adj. isotopically, adv. /uy seuh tohp /, n. Chem. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in… …   Universalium

  • Isotope — This article is about the atomic variants of chemical elements. For the British jazz fusion band, see Isotope (band). Isotopes redirects here. For the minor league baseball team, see Albuquerque Isotopes. Isotopes are variants of atoms of a… …   Wikipedia

  • Isotope — Als Isotope bezeichnet man Nuklide in ihrem Verhältnis zueinander, wenn ihre Atomkerne gleich viele Protonen (gleiche Ordnungszahl), aber verschieden viele Neutronen enthalten. Die Isotope eines und desselben Elements haben also verschiedene… …   Deutsch Wikipedia

  • Isotope — Cet article possède des paronymes, voir : isotopie et isotrope. En physique nucléaire et en chimie, deux atomes sont dits isotopes si leur noyau a un nombre de protons identique mais un nombre de neutrons différent. Le nombre de protons dans …   Wikipédia en Français

  • isotope — n. a radioactive isotope * * * a radioactive isotope …   Combinatory dictionary

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