- a combining form meaning “measure,” used in the formation of compound words: metronome.
Origin of metro-1
combining form representing Greek métron measure
- a combining form meaning “uterus,” used in the formation of compound words: metrorrhagia.
Also especially before a vowel, metr-.
Origin of metro-2
combining form representing Greek mḗtra womb
- a combining form representing metropolis or metropolitan in compound words: metroflight; metroland; Metroliner.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel metr-
- indicating the uterusmetrorrhagia
from Greek mētra womb
- indicating a measuremetronome
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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