subcontrary en · ADJ
Pronunciation
- (US) audio
Etymology
From sub- + contrary.
Meanings
-
(not-comparable) Contrary in an inferior degree. ▸ 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.
Two planes drawn through the vertex of the cone parallel to the plane of the circular base , and that of a subcontrary section, are called by Chasles the cyclic planes of the cone
1852, John Mulcahy, Principles of Modern Geometry:
- (not-comparable) Contrary in an inferior degree. ▸ Denoting the relation of opposition between the particular affirmative and particular negative. Of these both may be true and only one can be false.