Residuum vs Residual - What's the difference?

As nouns the difference between residuum and residual

is that residuum is the residue, remainder or rest of something while residual is a remainder left over at the end of some process.

of, relating to, or remaining as a residue; left over.

(residua)

The residue, remainder or rest of something

(chemistry) The solid material remaining after the liquid in which it was dissolved has been evaporated; a residue.

(fuzzy logic) A binary function from [0,1] × [0,1] to [0,1] which is defined in terms of the t-norm as follows:

x \rightarrow y = \sup \{ z , z * x \leqslant y\}

, where

*

denotes the t-norm function and

\sup

denotes the supremum.

The residuum of the minimum t-norm is a function

\rightarrow

such that

x \rightarrow y = \begin{cases} y, & \text{if } x > y \\ 1, & \text{if } x \leqslant y .\end{cases}

(legal) The residue of an estate

(-)

Of, relating to, or remaining as a residue; left over.

* residuary

(en noun)

A remainder left over at the end of some process.

(in the plural) Payments made to performers, writers and directors when a recorded broadcast is repeated.