mono-


a combining form meaning “alone,” “single,” “one” (monogamy); specialized in some scientific terms to denote a monomolecular thickness (monolayer) and adapted in chemistry to apply to compounds containing one atom of a particular element (monohydrate).

QUIZZES

How Hip Is Your Lingo? Take Our Slang Quiz!
If you aren’t already skilled in slang, then this quiz can get you up to speed in no time!
Question 1 of 11
OK Boomer can be perceived as pejorative, but it is mostly considered to be _____
Also especially before a vowel, mon-.

Origin of mono-

< Greek, combining form of mónos alone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for mono-

mono-

before a vowel mon-


combining form

one; singlemonochrome; monorail
indicating that a chemical compound contains a single specified atom or groupmonoxide

Word Origin for mono-

from Greek monos
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 mono-

mono-

pref.

One; single; alone:monomorphic.
Monomolecular; monatomic:monolayer.
Containing one atom, molecule, or group:monomer.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for mono-

mono-

A prefix that means “one, only, single,” as in monochromatic, having only one color. It is often found in chemical names where it means “containing just one” of the specified atom or group, as in carbon monoxide, which is carbon attached to a single oxygen atom.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.