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Webster 1913 Edition

Adj.

[

Pyro-

tartaric

(Chem.)

Pertaining to, or designating, an acid obtained as a white crystalline substance by the distillation of tartaric acid.

, PYROTARTAROUS,

Adj.

[Gr., fire and tartar.] Denoting an acid obtained by distilling pure tartrite of potash.

pyrotartaric ‎(not comparable)