1. the act of kissing
Usage: formal; literary
2. the contact or touching of two curves or surfaces at a point where they have a common tangent
Usage: mathematics; geometry

Examples

• The romantic novel described their first osculation under the moonlight.
• In formal literature, osculation is often used instead of the simpler word ‘kiss’.
• The mathematician explained the concept of osculation between two curves.
• The osculation point is where the circle touches the parabola.
• Students of calculus learn about osculation when studying tangent lines.
• The geometry textbook illustrated osculation with diagrams of intersecting curves.