(of a duty or a tax) Levied at a fixed rate per physical unit of the thing taxed, regardless of its price
Of or denoting a number equal to the ratio of the value of some property of a given substance to the value of the same property of some other substance used as a reference, such as water, or of a vacuum, under equivalent conditions
Of or denoting a physical quantity expressed in terms of a unit mass, volume, or other measure, in order to give a value independent of the properties or scale of the particular system studied
Clearly defined or identified
a remedy intended for a particular disease [n SPECIFICS]
Precise and clear in making statements or issuing instructions
Belonging or relating uniquely to a particular subject
Of, relating to, or connected with species or a species