e/Tangent circles

Information
has gloss	eng: In geometry, tangent circles (also known as kissing circles) are circles that intersect in a single point. There are two types of tangency: internal and external. Many problems and constructions in geometry are related to tangent circles; such problems often have real-life applications such as trilateration and maximizing the use of materials.
lexicalization	eng: tangent circles
instance of	(noun) any circular or rotating mechanism; "the machine punched out metal circles" circle, round