semiarid

[sem-ee-ar-id, sem-ahy-]
adjective (of a region, land, etc.)
  1. characterized by very little annual rainfall, usually from 10 to 20 inches (25 to 50 cm): the struggle to raise vegetables in semiarid regions.

Origin of semiarid

An Americanism dating back to 1895–1900; semi- + arid
Related formssem·i·a·rid·ity [sem-ee-uh-rid-i-tee, sem-ahy-] /ˌsɛm i əˈrɪd ɪ ti, ˌsɛm aɪ-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of semiarid


British Dictionary definitions for semiarid

semiarid

adjective
  1. characterized by scanty rainfall and scrubby vegetation, often occurring in continental interiorsthe semiarid regions of Australia
Derived Formssemiaridity, noun
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

semiarid in Science

semiarid

[sĕm′ē-ărĭd]
  1. Having low precipitation but able to support grassland and scrubby vegetation. Steppes have semiarid climates.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.