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  1. an Indian shrub, Aeschynomene aspera, of the legume family, the pith of which is used for making helmets.
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Origin of sola1

First recorded in 1835–45, sola is from the Hindi word solā


[saw-lah; English soh-luh]
adjective Latin.
  1. (referring to a woman) alone; by oneself (used formerly in stage directions).
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[soh-luh m]
noun, plural so·la [soh-luh] /ˈsoʊ lə/, so·lums.
  1. the upper part of the soil profile, which is influenced by plant roots; the A horizon and the B horizon.
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Origin of solum

1820–30; < Latin: base, bottom; see sole2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sola

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British Dictionary definitions for sola


  1. the feminine form of solus
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noun plural -lums or -la (-lə)
  1. the upper layers of the soil profile, affected by climate and vegetation
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Word Origin

C19: New Latin from Latin: the ground
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 sola



Latin, "ground, soil," of unknown origin.

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Online Etymology Dictionary, © 2010 Douglas Harper

sola in Science


Plural sola solums
  1. The upper layers of a soil profile in which soil formation occurs. The A and B horizons in an ABC soil are part of the solum.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.