Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
praseodymium
CIDE DICTIONARY
praseodymium, n. [Praseo- + didymium.].
An elementary substance, one of the constituents of didymium; -- so called from the green color of its salts. Symbol Ps. Atomic weight 143.6. [1913 Webster]
OXFORD DICTIONARY
praseodymium, n. Chem. a soft silvery metallic element of the lanthanide series, occurring naturally in various minerals and used in catalyst mixtures.
Usage
Symb.: Pr.
Etymology
G Praseodym f. Gk prasios (see PRASE) from its green salts, + G Didym DIDYMIUM
For further exploring for "praseodymium" in Webster Dictionary Online
