/æd ˈvælərəm/ – Adverb
Definition: dựa trên giá trị. (để xác định thuế hoặc nghĩa vụ)
A more thorough explanation: the raising of tax or customs duties in proportion to the estimated value of the particular goods or transaction
Example: Future net revenue is calculated by deducting estimated production taxes, ad valorem taxes, operating expenses, and capital costs.