microcosmic salt

The American Dictionary and Cyclopedia · 1910 · p. 42
Chemistry: (NH4) NaHPO44H2O. Ammon ios odic [STERCORITE.] Mexico. mi-cro-, pref. [Gr. mikros =little, small.] 1. A prefix denoting smallne or littlene . 2. Among electricians and on the C. G. S. system, division by a million.
Readham'da tam maddeyi gor →