Dictionary.com
definitions
  • synonyms

gibbous

[gib-uh s]
See more synonyms for gibbous on Thesaurus.com
adjective
  1. Astronomy. (of a heavenly body) convex at both edges, as the moon when more than half full.
  2. humpbacked.
Show More
Also gib·bose [gib-ohs] /ˈgɪb oʊs/.

Origin of gibbous

1350–1400; Middle English < Latin gibbōsus humped, equivalent to gibb(a) hump + -ōsus -ous
Related formsgib·bous·ly, gib·bose·ly, adverbgib·bous·ness, gib·bose·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for gibbous

Historical Examples


British Dictionary definitions for gibbous

gibbous

gibbose (ˈɡɪbəʊs)

adjective
  1. (of the moon or a planet) more than half but less than fully illuminated
  2. having a hunchback; hunchbacked
  3. bulging
Show More
Derived Formsgibbously, adverbgibbousness, noun

Word Origin

C17: from Late Latin gibbōsus humpbacked, from Latin gibba hump
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 gibbous

adj.

c.1400, "bulging, convex," from Late Latin gibbus "hunchbacked," from Latin gibbus "hump, hunch," of uncertain origin. Of the moon from early 15c.; also used from 15c. of hunchbacks.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

gibbous in Medicine

gibbous

(gĭbəs)
adj.
  1. Characterized by convexity; protuberant.
  2. Having a hump; humpbacked.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

gibbous in Science

gibbous

[gĭbəs]
  1. More than half but less than fully illuminated. Used to describe the Moon or a planet. Compare crescent.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.