Definition from Wiktionary, the free dictionary
subcontrary (not comparable)
- Contrary in an inferior degree.
- (geometry) Having, or being in, a contrary order; said of a section of an oblique cone having a circular base made by a plane not parallel to the base, but so inclined to the axis that the section is a circle; applied also to two similar triangles when so placed as to have a common angle at the vertex, the opposite sides not being parallel.
- (Can we find and add a quotation of Brande & C to this entry?)
- (logic) Denoting the relation of opposition between the particular affirmative and particular negative. Of these both may be true and only one can be false.
subcontrary (plural subcontraries)