[ oh-uh-sahyt ]
/ ˈoʊ əˌsaɪt /

noun Cell Biology.

an immature egg cell of the animal ovary; in humans, one oocyte matures during the menstrual cycle, becoming an ootid and then an ovum, while several others partially mature and then disintegrate.

Nearby words

Origin of oocyte

First recorded in 1890–95; oo- + -cyte
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for oocyte


/ (ˈəʊəˌsaɪt) /


an immature female germ cell that gives rise to an ovum after two meiotic divisions

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 oocyte


[ ōə-sīt′ ]


A cell from which an egg or ovum develops by meiosis; a female gametocyte.

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

Science definitions for oocyte


[ ōə-sīt′ ]

A diploid cell that undergoes meiosis to form eggs.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.