PR

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



RESET




Word of the Day

2 February 2023

RUE

(noun) European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy


coffee icon

Coffee Trivia

Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.

coffee icon