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oasis

American  
[oh-ey-sis] / oʊˈeɪ sɪs /

noun

plural

oases
  1. a small fertile or green area in a desert region, usually having a spring or well.

  2. 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.

    Synonyms:
    shelter, retreat, harbor, haven

oasis 1 British  
/ əʊˈeɪsɪs /

noun

  1. a fertile patch in a desert occurring where the water table approaches or reaches the ground surface

  2. a place of peace, safety, or happiness in the midst of trouble or difficulty

"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

Oasis 2 British  
/ əʊˈeɪsɪs /

noun

  1. 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

oasis Scientific  
/ ō-āsĭs /

plural

oases
  1. 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.


Usage

Plural word for oasis The plural form of oasis is oases, pronounced [ oh-ey-seez ]. The plurals of several other singular words that end in -is are also formed in this way, including hypothesis/hypotheses, crisis/crises, and axis/axes. A similar change is made when pluralizing appendix as appendices. Irregular plurals that are formed like oases derive directly from their original pluralization in Latin and Greek.

Other Word Forms

  • oasal adjective
  • oasean adjective
  • oasitic adjective

Etymology

Origin of oasis

First recorded in 1605–15; from Late Latin, from Greek óasis, from Egyptian wḥʾt “oasis region”