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a combining form representing gamete: gametophore.
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Also especially before a vowel, gamet-.

Origin of gameto-

<New Latin gamet(a) gamete + -o--o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does gameto- mean?

The combining form gameto- is used like a prefix meaning “gamete,” a scientific term for a mature sexual reproductive cell, such as a sperm or egg, that unites with another cell to form a new organism. It is very occasionally used in scientific terms, especially in biology.

Gameto- ultimately comes from Greek gameîn, meaning “to marry.”

What are variants of gameto-?

When combined with words or word elements that begin with a vowel, gameto- becomes gamet-, as in gametangium, which uses the Latin equivalent of the form. Additional combining forms of the same general origin include gamo-, -gamous, and -gamy. Want to know more? Read our Words That Use articles for the forms.

Examples of gameto-

One example of a scientific term that features the form gameto- is gametocyte, “a cell that produces gametes.”

The gameto- part of the word means “gamete.” The form -cyte may also seem familiar; it means “cell,” from Greek kýtos. Gametocyte literally translates to “gamete cell.”

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

What are some other forms that gameto- may be commonly confused with?

Break it down!

The combining form -cide means “killer.” With this in mind, what kind of substance is gametocide?

How to use gameto- in a sentence

  • The process of cell-division, whereby the germ-cells or gametes are made, is called gameto-genesis.

    Woman and Womanhood|C. W. Saleeby

British Dictionary definitions for gameto-


sometimes before a vowel gamet-

combining form
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 gameto-


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