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Related to natron: natron lake
A mineral of hydrous sodium carbonate, Na2CO3·10H2O, often found crystallized with other salts. It can act as a dessicant and was used in mummification.
[French, from Spanish natrón, from Arabic naṭrūn, niter, from Greek nitron; see niter.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Minerals) a whitish or yellow mineral that consists of hydrated sodium carbonate and occurs in saline deposits and salt lakes. Formula: Na2CO3.10H2O
[C17: via French and Spanish from Arabic natrūn, from Greek nitron]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
na•tron(ˈneɪ trɒn, -trən)
a mineral, hydrous sodium carbonate, Na2CO3∙10H2O, found in dried-up lake beds.
[1675–85; < French < Sp < Arabic naṭrūn, variant of niṭrūn < Greek nítron, probably ultimately < Egyptian ntry; compare Hebrew nether, Hittite nitri]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.