Osculate
In mathematics, osculate, meaning to touch (from the Latin osculum meaning kiss), may refer to:
- osculant, an invariant of hypersurfaces
- osculating circle
- osculating curve
- osculating plane
- osculating orbit
- osculating sphere
Look up osculate in Wiktionary, the free dictionary.
The obsolete Quinarian system of biological classification attempted to group creatures into circles which could touch or overlap with adjacent circles, a phenomenon called 'osculation'.
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