mo

[ moh ]
/ moʊ /

noun Informal.

Origin of mo

by shortening

Definition for mo (2 of 8)

Mo

Symbol, Chemistry.

Definition for mo (3 of 8)

MO

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

Definition for mo (4 of 8)

mo.

plural mos. month.
months.

Definition for mo (5 of 8)

Definition for mo (6 of 8)

m.o.

mail order.
modus operandi.
money order.

Definition for mo (7 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

Definition for mo (8 of 8)

M.O.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mo

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.

abbreviation for

Missouri

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

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
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

Medicine 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.

Science definitions for mo (1 of 2)

Mo

The symbol for molybdenum.

Science definitions for mo (2 of 2)

molybdenum
[ mə-lĭbdə-nəm ]

Mo

A hard, silvery-white metallic element that resists corrosion and retains its strength at high temperatures. It is used to harden and toughen steel and to make high-temperature wiring. Molybdenum is an essential trace element in plant metabolism. Atomic number 42; atomic weight 95.96; melting point 2,623°C; boiling point 4,639°C; specific gravity 10.22 (at 20°C); valence 2, 3, 4, 5, 6. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.