Thermal unit

Thermal unit
Thermal Ther"mal, a. [L. thermae hot springs, fr. Gr. ?, pl. of ? heat, fr. ? hot, warm, ? to warm, make hot; perhaps akin to L. formus warm, and E. forceps.] 1. Of or pertaining to heat; warm; hot; as, the thermal unit; thermal waters. [1913 Webster]

The thermal condition of the earth. --J. D. Forbes. [1913 Webster]

2. caused by or affected by heat; as, thermal springs. [PJC]

3. designed to retain heat; as, thermal underwear. [PJC]

{Thermal conductivity}, {Thermal spectrum}. See under {Conductivity}, and {Spectrum}.

{Thermal unit} (Physics), a unit chosen for the comparison or calculation of quantities of heat. The unit most commonly employed is the amount of heat necessary to raise the temperature of one gram or one pound of water from zero to one degree Centigrade. See {Calorie}, and under {Unit}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • thermal unit — šilumos kiekio vienetas statusas T sritis Standartizacija ir metrologija apibrėžtis Šilumos kiekio matavimo vienetas. atitikmenys: angl. heat unit; thermal unit vok. Wärmeeinheit, f rus. единица количества теплоты, f pranc. unité de la quantité… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • thermal unit — šilumos kiekio vienetas statusas T sritis fizika atitikmenys: angl. heat unit; thermal unit vok. Wärmeeinheit, f; Wärmemengeneinheit, f rus. единица количества теплоты, f pranc. unité de chaleur, f; unité de quantité de chaleur, f …   Fizikos terminų žodynas

  • thermal unit — noun : a unit for the comparison or calculation of quantities of heat see british thermal unit; compare calorie …   Useful english dictionary

  • thermal unit — See british thermal unit …   Dictionary of automotive terms

  • thermal unit — a unit of heat energy or of the equivalent of heat energy in work. [1875 80] * * * …   Universalium

  • British Thermal Unit — Pour les articles homonymes, voir BTU. Le British Thermal Unit (abrégé en Btu ou BTU) est une unité d énergie anglo saxonne qui est définie par la quantité de chaleur nécessaire pour élever la température d une livre anglaise d eau d un degré °F… …   Wikipédia en Français

  • British thermal unit — Pour les articles homonymes, voir BTU. Unité d énergie, BTU Le British Thermal Unit (abrégé en Btu ou BTU) est une unité d énergie anglo saxonne qui est définie par la quantité de chaleur nécessaire pour élever la température d une livre anglaise …   Wikipédia en Français

  • British thermal unit — Einheit Norm Angloamerikanisches Maßsystem Einheitenname British thermal unit Einheitenzeichen BTU Dimensionsname Energie Dimensionssymbol …   Deutsch Wikipedia

  • British thermal unit — The British thermal unit (BTU or Btu) is a unit of energy used in the power, steam generation, heating and air conditioning industries. Although it is still used unofficially in metric English speaking countries (such as Canada, the United… …   Wikipedia

  • British thermal unit — 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

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