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variant of gono- before a vowel: gonidium.
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Which form is used to state an obligation or duty someone has?

Other definitions for gon- (2 of 2)


a combining form meaning “angled,” “angular,” used in the formation of compound words: polygon; pentagon.
Compare gonio-.

Origin of -gon

<Greek -gōnos, derivative of gōnía angle, akin to gónyknee
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does gon- mean?

Gon- is a combining form used like a prefix meaning “sexual,” “reproductive.” It is often used in scientific terms, especially in pathology and biology, particularly to refer to the reproductive organs.

Gon- ultimately comes from Greek gonḗ, meaning “seed” or “generation,” as in “formation” or “propagation.” Among the many Latin cognates of gonḗ is germen, “sprout” or “embryo,” which is the source of germ, germane, and germinate.

What are variants of gon-?

Gon- is a variant of gono-, which loses its –o– when combined with words or word elements beginning with vowels. Want to know more? Read our Words That Use gono- article.

In some instances, such as gonalgia, meaning “knee pain,” gon- is used as a variation of gonio-, from Greek gōnía, meaning “angle.”

Examples of gon-

A term you may be familiar with is gonad, meaning “a sex gland in which gametes are produced; an ovary or testis.”

The first part of the word, gon-, means “sexual” or “reproductive,” while -ad means “related to” or “concerned with.” With these forms combined, gonad means “related to reproduction.”

What are some words that use the combining form gon-?

What are some other forms that gon– may be commonly confused with?

Break it down!

The combining form -cyst is used to mean “sac” or “vesicle.” With this in mind, where on the body is the gonecyst located?

How to use gon- in a sentence

British Dictionary definitions for gon- (1 of 2)


combining form
a variant of gono- gonidium

British Dictionary definitions for gon- (2 of 2)


n combining form
indicating a figure having a specified number of anglespentagon

Word Origin for -gon

from Greek -gōnon, from gōnia angle
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 gon-


Variant ofgono-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.