euarctos
- n American black bears; in some classifications not a separate genus from Ursus
euarctos americanus
- n brown to black North American bear; smaller and less ferocious than the brown bear
eubacteria
- n a large group of bacteria having rigid cell walls; motile types have flagella
eubacteriales
- n one of two usually recognized orders of true bacteria; Gram-positive spherical or rod-shaped forms; some are motile; in some classifications considered an order of Schizomycetes
eubacterium
- n a large group of bacteria having rigid cell walls; motile types have flagella
eubryales
- n mosses with perennial erect gametophores and stems with rows of leaves and drooping capsules