species

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species species-specific type species

Main Entry: spe·cies
Pronunciation: sp-()shz, -()sz
Function: noun
Inflected Form(s): plural species
1 a : a category of biological classification ranking immediately below the genus or subgenus, comprising related organisms or populations potentially capable of interbreeding, and being designated by a binomial that consists of the name of the genus followed by a Latin or latinized uncapitalized noun or adjective agreeing grammatically with the genus name b : an individual or kind belonging to a biological species
2 : a particular kind of atomic nucleus, atom, molecule, or ion <production of DNA damage by active oxygen species>