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Definition of meter noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
SI base unit: metre (m) The metre, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299 792 458 when expressed in the unit m s –1, where the second is defined in terms of the caesium frequency Δν Cs. This definition implies the exact relation c = 299 792 458 m s –1.
Define one metre, the S.I. unit of length. State its one multiple and one sub multiple. Open in App. Solution. One metre is defined as the distance travelled by light ...
METRIC definition: 1. using or relating to a system of measurement that uses metres, centimetres, litres, etc.: 2. a…. Learn more.
May 9, 2019 · So, in 1960, the 11th CGPM agreed to a new definition of the meter as the “length equal to 1,650,763.73 wavelengths in vacuum of the radiation corresponding to the transition between the levels 2p 10 and 5d 5 of the krypton-86 atom.” In other words, when electrons of a common form of krypton make a specific jump in energy, they release that energy in the form of reddish-orange light with a wavelength of 605.8 nanometers.
METRE meaning: 1. a unit of measurement equal to 100 centimetres: 2. the regular arrangement of syllables in…. Learn more.
The meaning of METRE is chiefly British spelling of meter.
