osculation
os·cu·la·tion
noun
1.
(mathematics) a contact of two curves (or two surfaces) at which they have a common tangent
Origin
From Latin ōsculātiō (“a kissing”), from ōsculor (“to kiss”). By surface analysis, osculate + -ion.
Related words
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.