LUTETIUM

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

lutetium (uncountable)

A chemical element (symbol Lu) with an atomic number of 71, a silvery-white metal which resists corrosion in dry air.

• cassiopeium (name proposed by Baron Carl Auer von Welsbach, one of the discoverers of lutetium, but rejected)

Source: Wiktionary

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26 March 2025

(noun) bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal

Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.