Definition from Wiktionary, the free dictionary
- IPA: /ɹɛˈzɪ.dju.ʌm̩̩/
residuum (plural residua)
- 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: , where denotes the t-norm function and denotes the supremum.
- The residuum of the minimum t-norm is a function such that
See also 
- (fuzzy logic): relative pseudo-complement