gibbous

[gib-uh s]

adjective

Astronomy. (of a heavenly body) convex at both edges, as the moon when more than half full.

Nearby words

  1. gibbons,
  2. gibbons, grinling,
  3. gibbons, orlando,
  4. gibbosely,
  5. gibbosity,
  6. gibbously,
  7. gibbs,
  8. gibbs free energy,
  9. gibbs function,
  10. gibbs phase rule

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. 2019

Examples from the Web for gibbous


British Dictionary definitions for gibbous

gibbous

gibbose (ˈɡɪbəʊs)

adjective

(of the moon or a planet) more than half but less than fully illuminated
having a hunchback; hunchbacked
bulging
Derived Formsgibbously, adverbgibbousness, noun

Word Origin for gibbous

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

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.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for gibbous

gibbous

[gĭbəs]

adj.

Characterized by convexity; protuberant.
Having a hump; humpbacked.

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

Science definitions for gibbous

gibbous

[gĭbəs]

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