residuum

noun

1. 1.The residue, remainder or rest of something
2. 2.The solid material remaining after the liquid in which it was dissolved has been evaporated; a residue.
3. 3.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.
4. 4.The residue of an estate