residual

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re·sid·u·al / riˈzijoōəl/ • adj. remaining after the greater part or quantity has gone: the withdrawal of residual occupying forces. ∎  (of a quantity) left after other things have been subtracted: residual income after tax and mortgage payments. ∎  (of a physical state or property) remaining after the removal of or present in the absence of a causative agent: residual stenosis. ∎  (of an experimental or arithmetical error) not accounted for or eliminated. ∎  (of a soil or other deposit) formed in situ by weathering.• n. a quantity remaining after other things have been subtracted or allowed for. ∎  a difference between a value measured in a scientific experiment and the theoretical or true value. ∎  a royalty paid to a performer, writer, etc., for a repeat of a play, television show, etc. ∎  Geol. a portion of rocky or high ground remaining after erosion. ∎  the resale value of a new car or other item at a specified time after purchase, expressed as a percentage of its purchase price.DERIVATIVES: re·sid·u·al·ly adv.

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