Metre vs Nanometre - What's the difference?

metre | nanometre |

As nouns the difference between metre and nanometre

is that metre is the basic unit of length in the international system of units (si: système international d'unités) it is equal to (approximately 3937) imperial inches or metre can be the rhythm or measure in verse and musical composition while nanometre is an si subunit of length equal to 10-9 metres symbol: nm.

As a verb metre

is (british|rare) or metre can be (poetry|music) to put into metrical form.



(wikipedia metre)

Alternative forms

* meter

Etymology 1

From (etyl)


  • (en noun)
  • The basic unit of length in the International System of Units (SI: Système International d'Unités). It is equal to (approximately 39.37) imperial inches.
  • * 1797 , The Monthly magazine and British register , No. 3
  • The measures of length above the metre' are ten times ... greater than the ' metre .
  • * 1873 , The Young Englishwoman , April
  • A dress length of 8 metres of the best quality costs 58 francs.
  • * 1928 , The Observer , April 15
  • The 12-metre yachts ... can be sailed efficiently with four paid hands.
    Usage notes
    * This, rather than meter'', is the spelling adopted by the chose to use ''meter in accordance with the United States Government Printing Office Style Manual.
    * m
    Derived terms
    * cubic metre * metrology * metric * metre per second * square metre
    See also


  • (British, rare)
  • Usage notes
    The standard spelling of the verb meaning to measure'' is meter''' throughout the English-speaking world. The use of the spelling ' metre for this sense (outside music and poetry) is possibly mis-spelling.

    Etymology 2

    From (etyl), from (etyl) metrum, from (etyl) See


  • (en noun) (British, Canada)
  • The rhythm or measure in verse and musical composition.
  • Verb

  • (poetry, music) To put into metrical form.
  • See also
    * metronome * metric *


    * * * ----



    Alternative forms

    * (US ) nanometer


    (en noun)
  • An SI subunit of length equal to 10-9 metres. Symbol: nm
  • *{{quote-magazine, date=2012-01
  • , author=Robert L. Dorit , title=Rereading Darwin , volume=100, issue=1, page=23 , magazine= citation , passage=We live our lives in three dimensions for our threescore and ten allotted years. Yet every branch of contemporary science, from statistics to cosmology, alludes to processes that operate on scales outside of human experience: the millisecond and the nanometer , the eon and the light-year.}}