different between joule vs horsepower

English

Etymology

Named after English physicist James Prescott Joule (1818–1889). The surname is a variant of Joel.

Pronunciation

• enPR: j?l, joul, IPA^(key): /d?u?l/, /d?a?l/
• Rhymes: -u?l, -a?l
• Homophones: jewel, jowl

Noun

joule (plural joules)

1. In the International System of Units, the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre. Also equal to the energy of one watt of power for a duration of one second. Symbol: J

Translations

Further reading

• joule on Wikipedia.Wikipedia

Czech

Pronunciation

• IPA^(key): [?d?au?l]
• Hyphenation: joule

Noun

joule m inan

1. joule (the derived unit of energy, work and heat)

Declension

Derived terms

• kilojoule
• megajoule
• gigajoule
• terajoule
• petajoule
• exajoule

Further reading

• joule in P?íru?ní slovník jazyka ?eského, 1935–1957
• joule in Slovník spisovného jazyka ?eského, 1960–1971, 1989

Dutch

Pronunciation

Noun

joule m (plural joules)

1. joule

Finnish

Noun

joule

1. joule (unit of measure)

Declension

French

Pronunciation

• IPA^(key): /?ul/

Noun

joule m (plural joules)

1. joule (unit of measure)

Further reading

• “joule” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Galician

Etymology

From English joule, and this named after the English physicist James Prescott Joule.

Noun

joule m (plural joules)

1. joule

Synonyms

• xulio

Italian

Noun

joule m (invariable)

1. joule

Portuguese

Noun

joule m (plural joules)

1. joule (derived unit of energy, work and heat)

Romanian

Etymology

From French joule.

Noun

joule m (plural jouli)

1. joule

Declension

Spanish

Etymology

From English joule, and this named after the English physicist James Prescott Joule.

Noun

joule m (plural joules)

1. joule

   Synonym: julio

English

Etymology

horse +? power: the unit was originally defined as the amount of power that a horse could provide.

Pronunciation

• (General American) enPR: hôrs?pou'?r, IPA^(key): /?h??s?pa??/
• (Received Pronunciation) enPR: hôs?pou'?, IPA^(key): /?h??s?pa??/

Noun

horsepower (countable and uncountable, plural horsepowers or horsepower)

1. (uncountable) Power derived from the motion of a horse.
   • 2003, Gavin Weightman, What the Industrial Revolution Did for Us (page 57)

     The wheel was to have been turned by horsepower, but it was adapted to be driven by a mill-wheel on the river Derwent […]

2. A non-metric unit of power (symbol hp) with various definitions, for different applications. The most common of them is probably the mechanical horsepower, approximately equal to 745.7 watts.
   • 2012 March 22nd, David Blockley, Engineering: A Very Short Introduction (309), Oxford University Press, ?ISBN, chapter 2: “The age of gravity – time for work”, page 20:

     In the past, before the widespread adoption of SI units, the work that engines were capable of doing was compared with the work that horses could do – hence the term ‘horsepower’. Various people came up with various equivalencies, but the modern agreed definition is that 1 horsepower is 746 joules per second or 746 watts.

3. A metric unit (symbol often PS from the German abbreviation), approximately equal to 735.5 watts.
4. (uncountable) Strength.

   political horsepower

Synonyms

• hp

Derived terms

Translations

Anagrams

• shorepower