BERKELIUM

berkelium, Bk, atomic number

(noun) a radioactive transuranic element; discovered by bombarding americium with helium

Source: WordNet® 3.1

berkelium (uncountable)

A transuranic chemical element (symbol Bk) with an atomic number of 97.

Source: Wiktionary

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22 February 2025

(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’

Coffee Trivia

The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.