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long wave

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WordReference Random House Unabridged Dictionary of American English © 2026

long′ wave′,

Electricityan electromagnetic wave over 60 meters in length.
GeologySee L wave.

1830–40

long′-wave′, adj.

Collins Concise English Dictionary © HarperCollins Publishers::

long wave, long-wave n

- a radio wave with a wavelength greater than 1000 metres
- (as modifier): a long-wave broadcast

'long wave' also found in these entries (note: many are not synonyms or translations):

LW - beachcomber - L wave - PUVA

In Lists: Radio terms, more...

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Speculative wave, who go long

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