ANTIHYDROGEN

antihydrogen (usually uncountable, plural antihydrogens)

(particle, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron (antielectron).

(particle, countable) An atom of the antimatter equivalent of hydrogen.

Source: Wiktionary

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3 May 2025

(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”

Coffee Trivia

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