PHOTOCATHODE

photocathode

(noun) a cathode that emits electrons when illuminated

Source: WordNet® 3.1


Etymology

Noun

photocathode (plural photocathodes)

(physics) A cathode that emits electrons when exposed to light.

Source: Wiktionary



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Word of the Day

20 April 2025

SALAD

(noun) food mixtures either arranged on a plate or tossed and served with a moist dressing; usually consisting of or including greens


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Coffee Trivia

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

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