soda niter(n = noun.substance) sodium nitrate - (NaNO3) used especially as a fertilizer and explosive;
is a kind of nitrate

baking soda, benzoate of soda, bicarbonate of soda, caustic soda, club soda, cream soda, ice-cream soda, irish soda bread, niter, orange soda, sal soda, salsola soda, scotch and soda, soda, soda ash, soda biscuit, soda bottle, soda bread, soda can, soda cracker, soda fountain, soda jerk, soda jerker, soda lime, soda pop, soda water, washing soda