kilowattn.
/ˈkɪləwɒt/, U.S. /ˈkɪləˌwɑt/ A thousand watts. Also attributive.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > [noun] > one thousand watts
kilowatt1884
kW1905
1884 Engineering 17 Oct. 358/1 Professor Koyle thought the term kilowatt sufficiently explicit.
1892 B. Smith & W. H. H. Hudson Arithm. for Schools (new ed.) 147 A Kilowatt is about 1⅓ Horse-power.
1895–6 Cal. Univ. Nebraska 196 Dynamos and motors from 25 Kilo-watts capacity down.
Compounds
kilowatt-hour n. a unit of energy equal to that produced in one hour by a power of one kilowatt, viz. 3·6 million joules.
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the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > [noun] > one thousand watts > commercial unit
unit1886
Kelvin1892
kilowatt-hour1892
Board of Trade unit1913
1892 B. Smith & W. H. H. Hudson Arithm. for Schools (new ed.) 147 This is a Kilowatt-hour and is equivalent to 3.6 Megajoules.
1905 Daily Chron. 20 July 6/4 If he uses this 300 kilowatts for every minute he is working throughout the quarter, say..720 hours, he will use 300 × 720 kilowatt hours or ‘units’.
1951 B. L. Goodlet Basic Electrotechnics i. 11 Electrical energy is sold commercially by the kilowatt-hour—1000 watts acting for 1 hour.
1965 J. B. Owens & P. E. Sanborn Fund. Electr. vii. 366 If a lighting circuit uses 2000 watts for a period of one hour, the amount of electric energy consumed is 2 kilowatt-hours.
Derivatives
ˈkilowattage n. power expressed in kilowatts; also figurative.
ΘΚΠ
the world > action or operation > manner of action > vigour or energy > [noun] > vigour or intensity of action > force or intensity of operation or effect
strengthOE
forcec1320
vigour?a1445
forcibleness1563
accent1591
edgea1593
strongnessa1604
keenness?1606
forcefulness1825
power drive1927
kilowattage1935
wattage1964
welly1977
the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > [noun] > one thousand watts > power expressed in
kilowattage1935
1935 Daily Express 5 Apr. 8 A human dynamo of enormous kilowattage.
1971 Sci. Amer. Sept. 212/1 (advt.) There was a time when ‘the more, the better’ was a national attitude—when a surging yearly increase in kilowattage scored prestige points.
This entry has not yet been fully updated (first published 1901; most recently modified version published online March 2022).
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n.1884