a combining form meaning “kidney,” used in the formation of compound words: nephrolith.

Also especially before a vowel, nephr-.

Origin of nephro-

combining form representing Greek nephrós kidney, kidneys Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for nephro-


before a vowel nephr-

combining form

kidney or kidneysnephrotomy

Word Origin for nephro-

from Greek nephros
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 nephro-

before vowels nephr-, word-forming element meaning "kidney, kidneys," from nephro-, comb. form of Greek nephros "kidney" (see nephron).

Online Etymology Dictionary, © 2010 Douglas Harper

nephro- in Medicine



Kidney; kidneylike structure:nephrotomy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.