Light-emitting electronic device Crossword Clue

We have the 5-letter answer for Light-emitting electronic device crossword clue, last seen in the WSJ Crossword February 2, 2026 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Light-emitting electronic device Crossword Answer

→21.

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Helpful Hints

(noun)
1. a semiconductor that consists of a p-n junction
2. a thermionic tube having two electrodes; used as a rectifier

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