a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants)
形容词 bacteroid:
resembling bacteria
同义词：bacteroidal, bacterioidal, bacterioid
bacteroid详细解释
bac.te.roid adj.（形容词）Resembling bacteria in appearance or action.似细菌的：在外观和活动方面类似于细菌的n.（名词）Any of various structurally modified bacteria, such as those occurring on the root nodules of leguminous plants.类杆细菌：一种在结构上已经改变了的细菌，如存在于豆科植物根部的根瘤菌
