UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌɒskjʊˈleɪʃən/US:USA pronunciation: respellingUSA pronunciation: respelling(os′kyə lāshən)

WordReference Random House Unabridged Dictionary of American English © 2020
os•cu•la•tion  (os′kyə lāshən),USA pronunciation n. 
  1. the act of kissing.
  2. a kiss.
  3. close contact.
  4. Mathematics[Geom.]the contact between two osculating curves or the like.
  • Latin ōsculātiōn- (stem of ōsculātiō) a kissing, equivalent. to ōsculāt(us) (see osculate) + -iōn- -ion
  • 1650–60

Collins Concise English Dictionary © HarperCollins Publishers::
osculation /ˌɒskjʊˈleɪʃən/ n

  1. Also called: tacnode a point at which two branches of a curve have a common tangent, each branch extending in both directions of the tangent
  2. rare the act or an instance of kissing

osculatory /ˈɒskjʊlətərɪ -trɪ/ adj
'osculation' also found in these entries:

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