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Triassic (adj.)
1841, from German, coined 1841 by German geologist Friedrich August von Alberti (1795-1878), from Trias "period preceding the Jurassic," from Greek trias "triad, the number three" (see triad). So called because it is divisible (in Germany) into three groups.
updated on February 16, 2014
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Dictionary entries near Triassic
triangular
triangularity
triangulate
triangulation
triannual
Triassic
triathlete
triathlon
triaxial
tribadism
tribal