Rad

From Middle High German rat, from Old High German rad, from Proto-West Germanic *raþ, from Proto-Germanic *raþą, from Proto-Indo-European *Hret- (“to roll”).

Related to Swedish ratt (“steering wheel”) and Finnish ratti (“steering wheel”). Also related to English rotary and Spanish rueda (“wheel”), which descended from the same PIE root through Latin rota.

• IPA^(key): /ʁaːt/ (prescriptive standard; especially southern Germany, Austria, Switzerland)
• IPA^(key): /ʁat/ (predominant in northern and parts of central Germany; but inflected forms with a long vowel)

• Audio (Austria)

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• Audio

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• Rhymes: -aːt, -at
• Homophone: Rat (according to prescriptive standard)

Rad n (strong, genitive Rades or Rads, plural Räder, diminutive Rädchen n)

1. wheel
2. (gymnastics) cartwheel
3. Clipping of Fahrrad; bicycle

Borrowed from English rad.

Rad n (strong, genitive Rads or Rad, plural Rads)

1. (physics) rad (non-SI unit of absorbed dose of radiation)

   Coordinate term: Gray

• “Rad” in Duden online
• “Rad” in Duden online
• “Rad” in Uni Leipzig: Wortschatz-Lexikon
• “Rad” in Digitales Wörterbuch der deutschen Sprache
• “Rad” in Deutsches Wörterbuch von Jacob und Wilhelm Grimm, 16 vols., Leipzig 1854–1961.
• Friedrich Kluge (1883), “Rad”, in , John Francis Davis, transl., Etymological Dictionary of the German Language, published 1891

From Middle High German rat, from Old High German rad, from Proto-West Germanic *raþ, from Proto-Germanic *raþą. Cognate with German Rad, Dutch rad.

• IPA^(key): /raːt/, [ʀaːt]
• Rhymes: -aːt
• Homophone: Rat

Rad n (plural Rieder, diminutive Riedchen)

1. wheel