Answer: convolution

AnswerCrossword Clue
convolutionA sinuous fold in the surface of the brain
convolutiona form or shape that is folded in curved or tortuous windings
convolutionA thing that is complex and difficult to follow
convolutionA coil or twist, esp. one of many
convolutionThe state of being coiled or twisted, or the process of becoming so
convolutionA function derived from two given functions by integration that expresses how the shape of one is modified by the other
convolutionA method of determination of the sum of two random variables by integration or summation