资料来源 : pyDict
石炭纪,石炭层含碳或煤的
资料来源 : Webster's Revised Unabridged Dictionary (1913)
Carboniferous \Car`bon*if"er*ous\
(k[aum]r`b[o^]n*[i^]f"[~e]r*[u^]s), a. [Carbon + -ferous.]
Producing or containing carbon or coal.
{Carboniferous age} (Geol.), the age immediately following
the Devonian, or Age of fishes, and characterized by the
vegetation which formed the coal beds. This age embraces
three periods, the Subcarboniferous, the Carboniferous,
and Permian. See {Age of acrogens}, under {Acrogen}.
{Carboniferous formation} (Geol.), the series of rocks
(including sandstones, shales, limestones, and
conglomerates, with beds of coal) which make up the strata
of the Carboniferous age or period. See the Diagram under
{Geology}.
资料来源 : WordNet®
carboniferous
adj 1: of or relating to the Carboniferous geologic era;
"carboniferous rock system"
2: relating to or consisting of or yielding carbon [syn: {carbonaceous},
{carbonous}, {carbonic}]
n : from 345 million to 280 million years ago [syn: {Carboniferous
period}]