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metro1

[me-troh] /ˈmɛ troʊ/
noun, plural metros. (often initial capital letter)
1.
the underground electric railway of Paris, France, Montreal, Canada, Washington, D.C., and other cities.
2.
subway (def 1).
Origin of metro1
1900-1905
1900-05; < French métro, short for chemin de fer métropolitain metropolitan railroad

metro2

[me-troh] /ˈmɛ troʊ/ Informal.
adjective
1.
metropolitan (defs 1, 2).
noun, plural metros.
2.
metropolis (defs 1, 2).
3.
(often initial capital letter) Chiefly Canadian. the government or jurisdiction of a large city.
Origin
1900-05; by shortening; or independent use of metro-3

metro-1

1.
a combining form meaning “measure,” used in the formation of compound words:
metronome.
Origin
combining form representing Greek métron measure

metro-2

1.
a combining form meaning “uterus,” used in the formation of compound words:
metrorrhagia.
Also, especially before a vowel, metr-.
Origin
combining form representing Greek mḗtra womb

metro-3

1.
a combining form representing metropolis, or metropolitan, in compound words:
metroflight; metroland; Metroliner.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for metro
Contemporary Examples
Historical Examples
  • Aristoteles de regimine principumGwydo de excidio Troianorumidem in metro.

    Henry the Sixth John Blacman
  • A subway is always a tube, or the underground, or the metro.

    The American Language Henry L. Mencken
  • I went down into the metro and in time arrived at the station.

    A "Y Girl in France Katherine Shortall
  • (metro de drapo signifus metron, kiu kuŝis sur drapo, aŭ kiu estas uzata por drapo).

    The Esperanto Teacher Helen Fryer
  • "There's a new picture at the metro," he said as quietly as he could.

    No Strings Attached Lester del Rey
British Dictionary definitions for metro

metro

/ˈmɛtrəʊ/
noun (pl) -ros
1.
an underground, or largely underground, railway system in certain cities, esp in Europe, such as that in Paris
Word Origin
C20: from French, short for chemin de fer métropolitain metropolitan railway

metro-1

combining form
1.
indicating the uterus: metrorrhagia
Word Origin
from Greek mētra womb

metro-2

combining form
1.
indicating a measure: metronome
Word Origin
from Greek metron measure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for metro

Metro

n.

Paris underground, 1904, from French abbreviation of Chemin de Fer Métropolitain "Metropolitan Railway" (see metropolitan (adj.)). French chemin de fer "railroad" is literally "iron road."

Online Etymology Dictionary, © 2010 Douglas Harper
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metro in Medicine

metro- or metr-
pref.
Uterus: metritis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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7
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