In the 16th century, Turkish women could divorce their husbands if the man failed to keep his family’s pot filled with coffee.
praseodymium, Pr, atomic number
(noun) a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
Source: WordNet® 3.1
praseodymium (usually uncountable, plural praseodymiums)
A chemical element (symbol Pr) with an atomic number of 59, a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties.
Source: Wiktionary
Pra`se*o*dym"i*um, n. Etym: [Praseo- + didymium.] (Chem.)
Definition: An elementary substance, one of the constituents of didymium; - - so called from the green color of its salts. Symbol Ps. Atomic weight 143.6.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 May 2024
(noun) an economic policy adopted in the former Soviet Union; intended to increase automation and labor efficiency but it led eventually to the end of central planning in the Russian economy
In the 16th century, Turkish women could divorce their husbands if the man failed to keep his family’s pot filled with coffee.