mechanical equivalent of heat


mechanical equivalent of heat
(in any system of physical units) the number of units of work or energy equal to one unit of heat, as 4.1858 joules, which equals one small calorie.
[1835-45]

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Universalium. 2010.

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  • Mechanical equivalent of heat — Equivalent E*quiv a*lent ([ e]*kw[i^]v [.a]*lent), n. 1. Something equivalent; that which is equal in value, worth, weight, or force; as, to offer an equivalent for damage done. [1913 Webster] He owned that, if the Test Act were repealed, the… …   The Collaborative International Dictionary of English

  • Mechanical equivalent of heat — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …   The Collaborative International Dictionary of English

  • mechanical equivalent of heat — n the value of a unit quantity of heat in terms of mechanical work units with its most probable value in cgs measure being 4.1855 × 107 ergs per calorie symbol J called also Joule s equivalent …   Medical dictionary

  • Mechanical equivalent of heat — For other uses, see Conservation of energy. In the history of science, the mechanical equivalent of heat was a concept that had an important part in the development and acceptance of the conservation of energy and the establishment of the science …   Wikipedia

  • mechanical equivalent of heat — the value of a unit quantity of heat in terms of mechanical work units with its most probable value in cgs measure being 4.1855 × 107 ergs per calorie symbol J; called also Joule s equivalent * * * (in any system of physical units) the number of… …   Useful english dictionary

  • mechanical equivalent of heat — noun Obsolete the relation of heat units to mechanical units of work or energy, thus if 1 calorie = 4.186 joules, 4.186 was called the mechanical equivalent of heat. In SI all forms of energy are measured in the same units (joules) …   Australian English dictionary

  • mechanical equivalent of heat — mechaninis šilumos ekvivalentas statusas T sritis fizika atitikmenys: angl. Joule’s equivalent; mechanical equivalent of heat vok. mechanisches Wärmeäquivalent, n rus. механический эквивалент теплоты, m pranc. équivalent mécanique de la calorie,… …   Fizikos terminų žodynas

  • mechanical equivalent of heat — Смотри механический эквивалент теплоты …   Энциклопедический словарь по металлургии

  • Equivalent — E*quiv a*lent ([ e]*kw[i^]v [.a]*lent), n. 1. Something equivalent; that which is equal in value, worth, weight, or force; as, to offer an equivalent for damage done. [1913 Webster] He owned that, if the Test Act were repealed, the Protestants… …   The Collaborative International Dictionary of English

  • Heat — (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion and… …   The Collaborative International Dictionary of English


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