- A biologic division between the genus and a variety or the individual; a group of organisms that generally bear a close resemblance to one another in the more essential features of their organization, and breed effectively producing fertile progeny.
- A class of pharmaceutical preparations consisting of a mixture of dried plants, not pulverized, but in sufficiently fine division to be conveniently used in the making of extemporaneous decoctions or infusions, as a tea.
[L. appearance, form, kind, fr. specio, to look at]
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Examples: glitazone, GI cocktail, etc.