The Collaborative International Dictionary
Reduct \Re*duct"\ (r[-e]*d[u^]kt"), v. t. [L. reductus, p. p. of
reducere. See Reduce.]
To reduce. [Obs.]
--W. Warde.
Wiktionary
n. (context chemistry English) A reducing agent. vb. 1 (context obsolete transitive English) To reduce. 2 (context nonstandard English) To duct tape again. 3 (context nonstandard English) To channel through a duct again.
Wikipedia
In universal algebra and in model theory, a reduct of an algebraic structure is obtained by omitting some of the operations and relations of that structure. The converse of "reduct" is "expansion."
Usage examples of "reduct".
A general search was instituted, and before long they were lucky enough to find, about a hundred feet above the central grotto, a small recess or reduct hollowed, as it were, in the mountain side, which would exactly answer their purpose.