( 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.
( 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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012