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| самокасание | |||
| самоприкосновение (a contact, as between two curves or surfaces, at three or more common points) | |||
лобызание; лобзание (the act or an instance of kissing  collinsdictionary.com) | |||
| касание | |||
| соприкосновение; оскулирование; оскуляция; самокасание (кривой В.И.Макаров) | |||
| касание (в математике) | |||
| оскуляция (параметров орбиты) | |||
| поцелуйчик (Kissing. This noun comes from verb osculate 'to kiss', in turn based upon the diminuitive form of the Latin word for mouth, osculum: Hey, I'm in the mood for some osculation! urbandictionary.com Shabe) | |||
| osculation: 11 phrases in 5 subjects |
| General | 2 |
| Geometry | 1 |
| Mathematics | 5 |
| Technology | 2 |
| Vulgar | 1 |