osculation

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent
  2. noun the act of caressing with the lips (or an instance thereof)

Etymology

From Latin ōsculātiō (“a kissing”), from ōsculor (“to kiss”). By surface analysis, osculate + -ion.

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