con·vo·lu·tion 
/ˌkɑ:nvəˈlu:ʃən/ noun
plural con·vo·lu·tions /ˌkɑ:nvəˈlu:ʃən/ noun formal 1 : something that is very complicated and difficult to understand [count] ▪ I found it hard to follow the convolutions of the book's plot. [noncount] ▪ a plot full of convolution and confusion 2 [count] : a twist or curve — usually plural ▪ the convolutions of the road
