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Doppler

7 lettersnounmoderate

Updated June 2026

Definition

Christian Andreas Doppler (1803-1853), the Austrian physicist who first described how the observed frequency of waves changes as the source and observer move relative to each other.

The speed camera uses the Doppler principle to calculate how fast a vehicle is travelling.

Pronunciation

Syllables

dop·pler

Word Game Tips

🟩

Wordle

Contains double P in positions 4 and 5, once DOPP is confirmed the LER ending follows straightforwardly

🔤

Scrabble

Worth 12 points, the double P gives solid value and the proper noun origin makes it a surprising but valid play

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Dictionary References

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