plural of specie

A group of plants or animals having similar appearance. / (biology, taxonomy) A category in the classification of organisms, ranking below genus; a taxon at that rank.

(proscribed) singular of species

Type or kind, in various uses of the phrase in specie. / Money, especially in the form of coins made from precious metal, that has an intrinsic value; coinage.

(obsolete) In respect to kind / (law, finance) In the actual form, especially in the context of a distribution of assets or a loan repayment.

(aviation, meteorology) The aviation special weather report; a specially encoded weather observation report.

plural of SPECI

(chemistry) An ensemble of chemically identical molecular entities that can explore the same set of molecular energy levels on the time scale of the experiment.

(taxonomy) A species which has been designated as typical of a genus, and is chosen as the species according to which the genus is named.

(ecology) A species that exerts a large, stabilizing influence throughout an ecological community, despite its relatively small numerical abundance.