kilogram

English dictionary entry

Meanings

noun
  1. In the International System of Units, the base unit of mass; conceived of as the mass of one litre of water, but now defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10⁻³⁴ when expressed in units of kg⋅m²⋅s⁻¹. Symbol: kg
  2. The unit of weight such that a one-kilogram mass is also a one-kilogram weight.

Pronunciation

/ˈkɪləɡɹæm/ En-us-kilogram.ogg LL-Q1860 (eng)-Vealhurl-kilogram.wav

Word forms

kilogram kilograms kilogramme chiliogramme chilogramme

Etymology

Borrowed from French kilogramme. By surface analysis, kilo- + gram.

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