isobar
noun Etymology: International Scientific Vocabulary is- + -bar (from Greek baros weight); akin to Greek barys heavy — more at grieve Date: circa 1864 1. an imaginary line or a line on a map or chart connecting or marking places of equal barometric pressure 2. one of two or more atoms or elements having the same atomic weights or mass numbers but different atomic numbers

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Isobar — may refer to: * a contour line of equal or constant pressure in meteorology * two nuclides with the same mass number in nuclear physics * a heat pipe * Isobar (film), a 2009 science fiction film * Isobar Communications, an international network… …   Wikipedia

  • Isobar — (griechisch ἴσος isos „gleich“ und βαρύς barýs „schwer“) steht für: Isobar (Kernphysik), Atomkerne mit gleicher Nukleonenzahl Isobare, in der Meteorologie Linien gleichen Luftdrucks isobare Zustandsänderung, in der Thermodynamik eine… …   Deutsch Wikipedia

  • Isobar — I so*bar, n. [Iso + Gr. ? weight.] (Phys. Geog.) A line connecting or marking places upon the surface of the earth where height of the barometer reduced to sea level is the same either at a given time, or for a certain period (mean height), as… …   The Collaborative International Dictionary of English

  • isobar — ISOBÁR, Ă adj., s.f. v. izobar. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • isobar — 1864, coined from Gk. isos equal (see ISO (Cf. iso )) + baros weight, from barys heavy (see GRAVE (Cf. grave) (adj.)). Line connecting places with the same barometric pressure at the same time …   Etymology dictionary

  • isobar — ► NOUN Meteorology ▪ a line on a map connecting points having the same atmospheric pressure. DERIVATIVES isobaric adjective. ORIGIN from Greek isobaros of equal weight …   English terms dictionary

  • isobar — [ī′sō bär΄, ī′səbär΄] n. [< ISO + Gr baros, weight] 1. a line on a map connecting points having equal barometric pressure at a given reference altitude, commonly sea level, over a given period or at a given time 2. any atom that has the same… …   English World dictionary

  • Isobar — Este artículo o sección sobre economía necesita ser wikificado con un formato acorde a las convenciones de estilo. Por favor, edítalo para que las cumpla. Mientras tanto, no elimines este aviso puesto el 2 de diciembre de 2007. También puedes… …   Wikipedia Español

  • isobar — UK [ˈaɪsəʊˌbɑː(r)] / US [ˈaɪsəˌbɑr] noun [countable] Word forms isobar : singular isobar plural isobars science a line drawn on a weather map that connects places with the same air pressure …   English dictionary

  • Isobar — izobaras statusas T sritis fizika atitikmenys: angl. isobar vok. Isobar, n rus. изобар, m pranc. isobare, m …   Fizikos terminų žodynas

  • isobar — izobaras statusas T sritis fizika atitikmenys: angl. isobar vok. Isobar, n rus. изобар, m pranc. isobare, m …   Fizikos terminų žodynas

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