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[oh-ey-sis] /oʊˈeɪ sɪs/
noun, plural oases
[oh-ey-seez] /oʊˈeɪ siz/ (Show IPA)
a small fertile or green area in a desert region, usually having a spring or well.
something serving as a refuge, relief, or pleasant change from what is usual, annoying, difficult, etc.:
The library was an oasis of calm in the hectic city.
1605-15; < Late Latin < Greek óasis (Herodotus) < Egyptian wḥʾt oasis, oasis region
Related forms
[oh-uh-sit-ik] /ˌoʊ əˈsɪt ɪk/ (Show IPA),
oasal, oasean
[oh-ey-see-uh n] /oʊˈeɪ si ən/ (Show IPA),
2. haven, harbor, retreat, shelter. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for oasis
  • Now he and his friends were trapped in the same bar that had been an oasis of anonymity.
  • Together these form an oasis of medieval fantasy in the midst of the modern city.
  • Clearly, the actors inhabit a kind of wasteland, arid except for the oasis of the fountain.
British Dictionary definitions for oasis


noun (pl) -ses (-siːz)
a fertile patch in a desert occurring where the water table approaches or reaches the ground surface
a place of peace, safety, or happiness in the midst of trouble or difficulty
Word Origin
C17: via Latin from Greek, probably of Egyptian origin


trademark a block of light porous material, used as a base for flower arrangements
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
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Word Origin and History for oasis

1610s, from French oasis (18c.) and directly from Late Latin oasis, from Greek oasis, probably from Hamitic (cf. Coptic wahe, ouahe "oasis," properly "dwelling place," from ouih "dwell"). The same Egyptian source produced Arabic wahah.

Online Etymology Dictionary, © 2010 Douglas Harper
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oasis in Science
Plural oases (ō-ā'sēz)
A small area in a desert that has a supply of water and is able to support vegetation. An oasis forms when groundwater lies close enough to the surface to form a spring or to be reached by wells.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Related Abbreviations for oasis


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The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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