. "0"^^ . . . "0"^^ . . "epicycloid"@en-us . "110023450"@en-us . . "epicycloid"^^ . . "a line generated by a point on a circle rolling around another circle"@en-us . "a line generated by a point on a circle rolling around another circle"@en-us . . . "113121239"@en-us . "113909488"^^ . . "13909488-n"^^ .