Nitratine

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Nitratine \Ni"tra*tine\, n. (Min.)
     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}.
     [1913 Webster]