Watt

Watt
(W)
  The rate of energy transfer equivalent to one ampere under an electrical pressure of one volt. One watt equals 1/746 horsepower, or one joule per second. It is the product of Voltage and Current (amperage).
  ***
  The electric unit of power or rate of doing work. One horsepower is equivalent to approximately 746 watts.
  Energy Central Glossary
  ***
  The unit of electrical power equal to one ampere under a pressure of one volt. A Watt is equal to 1/746 horse power.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
  ***
  A unit of measure of electric power at a point in time, as capacity or demand. One watt of power maintained over time is equal to one joule per second. Some Christmas tree lights use one watt. The Watt is named after Scottish inventor James Watt and is capitalized when shortened to w and used with other abbreviations, as in kWh.
  California Energy Comission. Dictionary of Energy Terms
  ***
  The unit of electric power, or amount of work (J), done in a unit of time. One ampere of current flowing at a potential of one volt produces one watt of power.
  Solar Electric Glossary

Energy terms . 2014.

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Look at other dictionaries:

  • watt — watt …   Dictionnaire des rimes

  • watt — [ wat ] n. m. • 1881; du nom de l ingénieur J. Watt ♦ Unité de mesure de puissance mécanique ou électrique, de flux thermique et de flux d énergie rayonnante (symb. W), équivalant à un transfert d énergie de 1 joule en 1 seconde. ⇒aussi kilowatt …   Encyclopédie Universelle

  • Watt — steht für: Watt (Einheit), eine physikalische Einheit, benannt nach James Watt Watt (Küste), den Bereich eines Wattenmeeres, der bei Niedrigwasser trockenliegt Watt (Bodentyp); den Bodentyp der Wattflächen in der Deutschen Bodensystematik Watt… …   Deutsch Wikipedia

  • Watt's — S.A. es una empresa de alimentos y lácteos de Chile. Muy famosa por sus conocidos néctar y mermelada. También posee las marcas lácteas Loncoleche y Calo,es muy reconocida por su calidad. Contenido 1 Cronología 2 Negocios 3 Empresas Relacionadas …   Wikipedia Español

  • WATT (J.) — WATT JAMES (1736 1819) Ingénieur et mécanicien écossais, né à Greenock et mort à Heathfield, près de Birmingham. Responsable, à l’université de Glasgow, de l’entretien des instruments de physique, Watt a l’occasion de réparer, en 1764, une pompe… …   Encyclopédie Universelle

  • watt — WATT, waţi, s.m. (fiz.) Unitate de măsură a puterii egală cu puterea care corespunde schimbului de energie sau lucrului mecanic de un joule într o secundă. – Din fr., engl. watt. Trimis de cata, 27.02.2002. Sursa: DEX 98  WATT s. (fiz.) (pop.)… …   Dicționar Român

  • watt — s.m.inv. TS fis., metrol. nel Sistema Internazionale, unità di misura della potenza elettrica, equivalente al lavoro di un joule al secondo (simb. W) {{line}} {{/line}} DATA: 1895. ETIMO: da Watt, nome dello scienziato e inventore scozzese James… …   Dizionario italiano

  • Watt — Watt, n. [From the distinguished mechanician and scientist, James Watt.] (Physics) A unit of power or activity equal to 10^{7} C.G.S. units of power, or to work done at the rate of one joule a second. An English horse power is approximately equal …   The Collaborative International Dictionary of English

  • watt — [wɔt US wa:t] n written abbreviation W or w [Date: 1800 1900; Origin: James Watt] a unit for measuring electrical power ▪ a 100 watt bulb …   Dictionary of contemporary English

  • watt — {{hw}}{{watt}}{{/hw}}(fis.) Unità di misura della potenza equivalente al lavoro di 1 joule in 1 secondo; SIMB. W. ETIMOLOGIA: dal nome dell inventore, l ingegnere scozzese J. Watt (1736 1819) …   Enciclopedia di italiano

  • Watt — Watt, James (1736 1819) a British engineer who made important improvements to the steam engine. The measure of electrical power, the watt, is named after him …   Dictionary of contemporary English

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