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The Collaborative International Dictionary
Specifying

Specify \Spec"i*fy\, v. t. [imp. & p. p. Specified; p. pr. & vb. n. Specifying.] [F. sp['e]cifier, or OF. especifier, fr. LL. specificare. See Species, -fy.] To mention or name, as a particular thing; to designate in words so as to distinguish from other things; as, to specify the uses of a plant; to specify articles purchased.

He has there given us an exact geography of Greece, where the countries and the uses of their soils are specified.
--Pope.

Wiktionary
specifying

vb. (present participle of specify English)