1 entry 1 source
Praseodymium
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
An elementary substance, one of the constituents of didymium; - - so called from the green color of its salts. Symbol Ps. Atomic weight 143.6.
1 entry 1 source
Part of speech: noun (n.)
An elementary substance, one of the constituents of didymium; - - so called from the green color of its salts. Symbol Ps. Atomic weight 143.6.