n. (Photog.) Abbreviation of pyrogallic acid. [ Colloq. ] [ 1913 Webster ]
a. [ Pyro- + acetic: cf. F. pyroacétique. ] (Chem.) Pertaining to, and designating, a substance (acetone) obtained by the distillation of the acetates. It is now called also
n. [ Pyro- + acid. ] (Chem.) An acid obtained by sybjecting another acid to the action of heat. Cf. Pyro-. [ 1913 Webster ]
n. (Chem.) A salt of pyroantimonic acid. [ 1913 Webster ]
a. [ Pyro- + antimonic. ] (Chem.) Pertaining to, or designating, an acid of antimony analogous to pyrophosphoric acid. [ 1913 Webster ]
n. (Chem.) A salt of pyroarsenic acid. [ 1913 Webster ]
a. [ Pyro- + arsenic. ] (Chem.) Pertaining to or designating, an acid of arsenic analogous to pyrophosphoric acid. [ 1913 Webster ]
n. (Chem.) A salt of pyroboric acid. [ 1913 Webster ]
a. [ Pyro- + boric. ] (Chem.) Pertaining to derived from, or designating, an acid,
n. [ Pyro- + catechu. ] (Chem.) A white crystalline substance,