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[ney-tron, -truh n] /ˈneɪ trɒn, -trən/
a mineral, hydrated sodium carbonate, Na 2 CO 3 ⋅10H 2 O.
Origin of natron
1675-85; < French < Spanish < Arabic naṭrūn, variant of niṭrūn < Greek nítron niter; compare also Egyptian ntry, Hebrew nether Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for natron
  • The natron packed inside her absorbed so much fluid that it became goopy, smelly, and disgusting.
  • All the bodies were first treated with a natural salt mixture known as natron.
  • The body was dehydrated with natron salts and wrapped in yards of linen.
  • They keep it covered up in natron salts for seventy days.
British Dictionary definitions for natron


a whitish or yellow mineral that consists of hydrated sodium carbonate and occurs in saline deposits and salt lakes. Formula: Na2CO3.10H2O
Word Origin
C17: via French and Spanish from Arabic natrūn, from Greek nitron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for natron

1680s, from French natron (1660s), from Spanish natron, from Arabic natrun, from Greek nitron (see nitrogen). It is the source of the chemical symbol Na for sodium.

Online Etymology Dictionary, © 2010 Douglas Harper
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