the amount paid for property, increased by capital improvements and decreased by depreciation.
An asset's original purchase price plus any allowable expenses (according to the Income Tax Act) related to the asset's purchase. To determine the capital gain/loss, subtract the asset's ACB, plus all allowable costs to sell or dispose of the asset, from the selling price.
An income tax term relating to capital property, generally meaning the amount from which capital gains and losses are measured. See paragraph 54(a) of the Income Tax Act.