natron

From French natron, from Spanish natrón, from Arabic نَطْرُون‎ (naṭrūn), from Ancient Greek νίτρον (nítron, “nitre”), ultimately from Egyptian nṯrj (“natron”):

natron (uncountable)

1. (mineralogy) A crystalline mixture of hydrous sodium carbonate and sodium bicarbonate, with the chemical formula Na₂CO₃·10H₂O.
   • 1974, Lawrence Durrell, Monsieur, Faber & Faber 1992, p. 242:

     You know the mysterious idols they were supposed to set up to worship in their chapters – were they really human heads treated with natron after the Ancient Egyptian pattern – idols of Persian or Syrian provenance?

• nonart, nonrat

natron c (singular definite natronen, not used in plural form)

1. (chemistry) sodium hydrogen carbonate, sodium bicarbonate, NaHCO₃.
2. (chemistry, obsolete) sodium hydroxide, NaOH.

• Den Store Danske

From Spanish natrón, from Arabic نَطْرُون‎ (naṭrūn), from Ancient Greek νίτρον (nítron, “nitre”).

• IPA^(key): /na.tʁɔ̃/

natron m (uncountable)

1. natron

• “natron” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

From Ancient Greek νίτρον (nítron, “nitre”), from Egyptian nṯrj

natron n (definite singular natronet, uncountable)

1. baking soda, bicarbonate of soda, sodium bicarbonate

• natriumhydrogenkarbonat

• natronlut

• “natron” in The Bokmål Dictionary.

From Ancient Greek νίτρον (nítron, “nitre”), from Egyptian nṯrj

natron n (definite singular natronet, uncountable)

1. baking soda, bicarbonate of soda, sodium bicarbonate

• natriumhydrogenkarbonat

• natronlut

• “natron” in The Nynorsk Dictionary.