Osculation

[,ɒskju'leiʃәn]

Definition

(noun.) (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent.

Edited by Beverly--From WordNet

Definition

(n.) The act of kissing; a kiss.

(n.) The contact of one curve with another, when the number of consecutive points of the latter through which the former passes suffices for the complete determination of the former curve.

Checked by Genevieve