ad valorem

Adverb

WordNet 3.0

Adverb (1)

in proportion to the estimated value of the goods taxed“the goods were taxed ad valorem”Synonyms: ad val ad valorem

Webster's Dictionary (GCIDE)

Ad valorem \Ad va*lo"rem\ [L., according to the value.] (Com.) A term used to denote a duty or charge laid upon goods, at a certain rate per cent upon their value, as stated in their invoice, -- in opposition to a specific sum upon a given quantity or number; as, an ad valorem duty of twenty per cent. [1913 Webster]