資料來源 : pyDict
Devonshire的,泥盆紀
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Devonian \De*vo"ni*an\, a. (Geol.)
Of or pertaining to Devon or Devonshire in England; as, the
Devonian rocks, period, or system.
{Devonian age} (Geol.), the age next older than the
Carboniferous and later than the Silurian; -- called also
the {Age of fishes}. The various strata of this age
compose the Devonian formation or system, and include the
old red sandstone of Great Britain. They contain, besides
plants and numerous invertebrates, the bony portions of
many large and remarkable fishes of extinct groups. See
the Diagram under {Geology}.
Devonian \De*vo"ni*an\, n.
The Devonian age or formation.
資料來源 : WordNet®
Devonian
n : from 405 million to 345 million years ago; dominance of
fishes and appearance of amphibians and ammonites [syn: {Devonian
period}, {Age of Fishes}]