residual

//rɪˈzɪdʒuəl//
C1Frequency Level 10Technical
Visual representation of residual

Adjective

residualCanonical form
1

Remaining after the greater part or quantity has gone or been removed.

There was some residual water left in the bucket after we emptied it.

2

Relating to or denoting a quantity or effect that remains after the main part has been accounted for or removed.

The residual heat from the oven kept the kitchen warm for hours.

Noun

residualSingular
residualsPlural
1

A quantity remaining after other things have been subtracted or allowed for.

The statistician analyzed the residuals to check the accuracy of the model.

2

A payment made to a performer or writer for a repeat of a broadcast or recording.

The actor receives residuals every time the commercial airs.

3

In statistics, the difference between an observed value and the value predicted by a model.

The statistician analyzed the residuals to check if the regression model fit the data well.