Carboniferous

名词 carboniferous:

1. from 345 million to 280 million years ago
   同义词：Carboniferous period

形容词 carboniferous:

1. of or relating to the Carboniferous geologic era
2. relating to or consisting of or yielding carbon
   同义词：carbonaceous, carbonous, carbonic

Car.bon.if.er.ous

adj.（形容词）
Of, belonging to, or denoting a geologic division of the Paleozoic Era following the Devonian and preceding the Permian, including the Mississippian Period and the Pennsylvanian Period and characterized, especially in the Pennsylvanian, by swamp formation and deposition of plant remains later hardened into coal.
石炭纪的，石炭系的：属于或表示地质上的一个分段，即紧跟着泥盆纪而早于二叠纪的古生代，包括密西西比纪和宾夕法尼亚纪。古生代的特征，尤其在宾夕法尼亚纪的特征为，沼泽的形成以及后来变硬而成为煤的植物遗骸沉积
carboniferous Producing or containing carbon or coal.
carboniferous 产碳或煤的，含碳或煤的
n.（名词）
The Carboniferous Period.See table at geologic time
石炭纪，石炭系参见 geologic time