/nay"tron, -treuhn/ , n.
a mineral, hydrated sodium carbonate, Na 2 CO 3 ·10H 2 O.
[ 1675-85; natrun, var. of nitrun nítron NITER; cf. also Egyptian ntry, Heb nether ]
/nay"tron, -treuhn/ , n.
a mineral, hydrated sodium carbonate, Na 2 CO 3 ·10H 2 O.
[ 1675-85; natrun, var. of nitrun nítron NITER; cf. also Egyptian ntry, Heb nether ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012