[ dahy-ver-tik-yuh-loh-sis ]

  1. the presence of saclike herniations of the mucosal layer of the colon through the muscular wall, common among older persons and usually producing no symptoms except occasional rectal bleeding.

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Origin of diverticulosis

First recorded in 1915–20; diverticul(um) + -osis

Words Nearby diverticulosis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for diverticulosis


/ (ˌdaɪvəˌtɪkjʊˈləʊsɪs) /

  1. pathol the presence of several diverticula, esp in the intestines

Origin of diverticulosis

from New Latin, from diverticulum + -osis

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

Scientific definitions for diverticulosis


[ dī′vûr-tĭk′yə-lōsĭs ]

  1. A condition characterized by the presence of numerous diverticula in the colon.

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