D defs.my
Entry 1 sense Webster, 1913

Nitratine

· Ni·tra·tine · IPA
01 n. A mineral occurring in transparent crystals, usually of a white, sometimes of a reddish gray, or lemon-yellow, color; native sodium nitrate…
  1. 1.
    A mineral occurring in transparent crystals, usually of a white, sometimes of a reddish gray, or lemon-yellow, color; native sodium nitrate. It is used in making nitric acid and for manure. Called also soda niter.(Min.) Also: soda niter