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mo

[ moh ]
/ moʊ /
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noun Informal.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of mo

By shortening

Other definitions for mo (2 of 8)

Mo

Symbol, Chemistry.
molybdenum.

Other definitions for mo (3 of 8)

MO

abbreviation
method of operation.
Missouri (approved especially for use with zip code).
mode of operation.

Other definitions for mo (4 of 8)

-mo

a suffix occurring in a series of compounds that describe book sizes according to the number of leaves formed by the folding of a single sheet of paper: sixteenmo.

Origin of -mo

Combining form extracted from duodecimo

Other definitions for mo (5 of 8)

mo.

abbreviation
plural mos. month.
months.

Other definitions for mo (6 of 8)

m.o.

abbreviation
mail order.
modus operandi.
money order.

Other definitions for mo (7 of 8)

Mo.

abbreviation
Missouri.
Monday.

Other definitions for mo (8 of 8)

M.O.

abbreviation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use mo in a sentence

British Dictionary definitions for mo (1 of 7)

mo1
/ (məʊ) /

noun informal
mainly British short for moment (def. 1)
mainly Australian short for moustache (def. 1)

British Dictionary definitions for mo (2 of 7)

mo2

the internet domain name for
Macau

British Dictionary definitions for mo (3 of 7)

Mo

the chemical symbol for
molybdenum

British Dictionary definitions for mo (4 of 7)

MO

abbreviation for
Missouri
Medical Officer
modus operandi

British Dictionary definitions for mo (5 of 7)

-mo

suffix forming nouns
(in bookbinding) indicating book size by specifying the number of leaves formed by folding one sheet of paper12mo, twelvemo, or duodecimo; 16mo or sixteenmo

Word Origin for -mo

abstracted from duodecimo

British Dictionary definitions for mo (6 of 7)

m.o.

MO


abbreviation for
mail order
money order

British Dictionary definitions for mo (7 of 7)

Mo.

abbreviation for
Missouri
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

Medical definitions for mo

Mo

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

Scientific definitions for mo

Mo

The symbol for molybdenum.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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