[ moh-noh-mee-uh l, muh- ]
/ moʊˈnoʊ mi əl, mə- /


  1. consisting of one term only.
  2. (of a matrix) having exactly one non-zero term in each row and each column.
Biology. noting or pertaining to a name that consists of a single word or term.


Algebra. a monomial expression or quantity.

Origin of monomial

First recorded in 1700–10; mon- + (bin)omial Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for monomial

  • A monomial in algebra is a quantity which consists of a single term.

    Orthography|Elmer W. Cavins

British Dictionary definitions for monomial

/ (mɒˈnəʊmɪəl) /


maths an expression consisting of a single term, such as 5 ax


consisting of a single algebraic term
biology of, relating to, or denoting a taxonomic name that consists of a single term

Word Origin for monomial

C18: mono- + (bin) omial
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

Scientific definitions for monomial

[ mŏ-nōmē-əl ]

An algebraic expression consisting of a single term, especially one of the form axn, where a is a number and n is an integer greater than or equal to 0.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.