Meaning
A crystalline mixture of hydrous sodium carbonate and sodium bicarbonate, with the chemical formula Na₂CO₃·10H₂O.
Etymology
Origin: Ancient Greek
Etymology tree Egyptian nṯr Proto-Afroasiatic *-i? Egyptian -j Egyptian nṯrjder. Semiticbor. Ancient Greek νίτρον (nítron)bor. Arabic نَطْرُون (naṭrūn)der. Spanish natrónbor. French natronbor. English natron From French natron, from Spanish natrón, from Arabic نَطْرُون (naṭrūn), from Ancient Greek νίτρον (nítron, “nitre”), ultimately from Egyptian nṯrj (“natron”): R9 Doublet of niter and trona.
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2019, 2020, 2023, 2024, 2025, 2026.