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m

m

50 1.0
The symbol for the meter, the basic unit of length in the metric system
  • noun
  • Specialized
translation icon : metro
  • I'll enter you in the 400m if you're interested.
  • meter (m)
  • m long
  • height in m

Examples

  • C and D Companies from 6 R.A.R. are 5,000m to the south.

  • In the fall, the cars were lowered to about 2.4-3 m deep and maintained there until spring.

    Academic text (1999)
  • Models were created with layer heights of 100 m, 250 m, and 500 m.

    Academic text (2015)
  • Frozen sections were cut into 4 m sections and fixed in cold acetone for 10 minutes.

    Academic text (2015)
  • The particle size considered is 1 m, and the respiration rate is 30 L/min.

    Academic text (2017)
  • The force plate was built into a 6.5 m walkway covered with vinyl floor tiles.

    Academic text (1999)
  • Median elevation of definitively occupied sites was 29 m higher than that of relict sites.

    Academic text (2017)
  • No magnification was needed, for Goliath was hovering only 200 m above its ancient, battered surface.

    Fiction book (1992)
  • Of those from Ifanadiana, a coastal city at 450 m altitude, 94% used bednets.

    Academic text (2012)
  • The hiking trail is marked with signs every 100 m, helping us keep track of our distance.

Synonyms

meter
vsm
  • Specialized
621 1.0

A unit of length equal to one hundred centimeters

represents that unit using a single letter symbol rather than its full name

Compounds

M-1
1 7.4

A standard U.S. military rifle used by U.S. soldiers in World War II

1 7.5

A U.S. military semiautomatic rifle used in World War II and the Korean War

immunoglobulin M
  • Specialized
6.3

An antibody found in the blood early in infection that fights germs and helps start longer protection

vitamin M
  • Archaic
3.3

A vitamin needed for making new cells and preventing anemia

Surface Forms

m singular
ms plural

Etymology

M as the symbol for the metre comes from the Greek root metron meaning 'measure', and it is simply the first letter of 'metre'. So people use m to show the basic unit of length.