rest mass
noun Date: 1914 the mass of a body exclusive of additional mass the body acquires by its motion according to the theory of relativity

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • rest mass — rest′ mass n. phs the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body in the theory of relativity • Etymology: 1910–15 …   From formal English to slang

  • rest mass — n. Physics the mass of a body when its velocity is zero: according to one view of the special theory of relativity, an object s mass increases as its speed increases …   English World dictionary

  • rest mass — noun (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body • Topics: ↑physics, ↑natural philosophy • Hypernyms: ↑mass * * * noun Etymology …   Useful english dictionary

  • rest mass — rimties masė statusas T sritis Standartizacija ir metrologija apibrėžtis Parimusio kūno arba dalelės energijos E₀ ekvivalentas reliatyvumo teorijoje: m₀ = E₀/c²; čia c – šviesos greitis vakuume. atitikmenys: angl. mass at rest; rest mass vok.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • rest mass — rimties masė statusas T sritis fizika atitikmenys: angl. mass at rest; rest mass vok. Ruhemasse, f; Ruhmasse, f rus. масса покоя, f pranc. masse au repos, f …   Fizikos terminų žodynas

  • rest mass — Physics. the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body. Cf. relativistic mass. [1910 15] * * * …   Universalium

  • rest mass — /ˈrɛst mæs/ (say rest mas) noun the mass of a body which is at rest relative to the observer …   Australian English dictionary

  • rest mass — noun the mass of a body when it is not moving relative to an observer …   Wiktionary

  • rest mass of electron — elektrono rimties masė statusas T sritis Standartizacija ir metrologija apibrėžtis Apibrėžtį žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. rest mass of electron vok. Elektronenruhmasse, f; Ruhemasse des Elektrons, f rus. масса… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • rest mass of neutron — neutrono rimties masė statusas T sritis Standartizacija ir metrologija apibrėžtis Neutrono masė atskaitos sistemoje, kurioje jis yra rimties būsenos. atitikmenys: angl. rest mass of neutron vok. Ruhemasse des Neutrons, f rus. масса покоя нейтрона …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

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