osculate
/ˈɒskjʊleɪt/verb
with obj.
1
- Mathematics (of a curve or surface) touch (another curve or surface) so as to have a common tangent at the point of contact【数】（曲线或面）与（另一曲线或面）互成密切：
as adj. osculating the plots have been drawn using osculating orbital elements.图表用密切轨迹元素画成。
2
- formal or humorous kiss〈正式或幽默〉亲吻。
派生词
osculant
adjectiveosculation
nounosculatory
adjective词源
mid 17th cent.: from Latin osculat- 'kissed', from the verb osculari, from osculum 'little mouth or kiss'.