[ ma-stek-tuh-mee ]
/ mæˈstɛk tə mi /
noun, plural mas·tec·to·mies. Surgery.
the operation of removing all or part of the breast or mamma.
, master aircrew
, master alloy
, master bath
, master bedroom
Origin of mastectomy
First recorded in 1920–25; mast-
Related formspost·mas·tec·to·my, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mastectomy
British Dictionary definitions for mastectomy
noun plural -mies
the surgical removal of a breast
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
Word Origin and History for mastectomy
surgical removal of a breast, 1909, from Greek mastos "woman's breast" (see masto-) + -ectomy.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for mastectomy
Surgical removal of all or part of a breast, sometimes including excision of the underlying pectoral muscles and regional lymph nodes, usually performed as a treatment for cancer.mammectomy
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for mastectomy
Surgical removal of all or part of a breast, performed as a treatment for cancer.♦ A radical mastectomy includes excision of the underlying pectoral muscles and regional lymph nodes.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for mastectomy
The surgical removal of a breast.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.