ad valorem

American  

[ad vuh-lawr-uhm, -lohr-] / æd vəˈlɔr əm, -ˈloʊr- /

adjective

1. in proportion to the value (used especially of duties on imports that are fixed at a percentage of the value as stated on the invoice).

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ad valorem British  

/ æd vəˈlɔːrəm /

adjective

1. Abbreviation: ad val.   a.v..   A/V.  (of taxes) in proportion to the estimated value of the goods taxed

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Etymology

Origin of ad valorem

< Latin: literally, according to the worth

Example Sentences

An executive order published by the White House on Thursday said that "certain agricultural products shall not be subject to the additional ad valorem rate of duty imposed."

From Barron's • Nov. 20, 2025

There will also be a 1% ad valorem tax based on sales for miners that post a profit.

From Reuters • Jul. 13, 2023

The aim may have been to revive the economy but the effect, by boosting asset values, was to raise the "ad valorem" fees of mutual fund managers, hedge fund titans and the like.

From Economist • May 1, 2018

When a property owner within the city and/or school district is late in paying ad valorem tax, however, a 1 percent per month penalty is assessed in addition to the base amount.

From Washington Times • Aug. 16, 2015

They embraced a recommendation of a tariff based upon the ad valorem system, and expressed a cordial adherence to the principles adopted at the Democratic Convention held at Baltimore in 1848.

From Harper's New Monthly Magazine, Vol. 3, No. 15, August, 1851 by Various