lutetium, lutecium, Lu, atomic number

(noun) a trivalent metallic element of the rare earth group; usually occurs in association with yttrium

Source: WordNet® 3.1


Word of the Day

2 December 2022


(noun) the source of water from which a stream arises; “they tracked him back toward the head of the stream”

coffee icon

Coffee Trivia

The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.

coffee icon