Torticollis is a problem involving the muscles of the neck that causes the head to tilt down. The term comes from two Latin words: tortus, which means twisted, and collum, which means neck. If your baby has the condition at birth, itâs called congenital muscular torticollis. Thatâs the most common type.
Definition of additive inverse. : a number that when added to a given number gives zero the additive inverse of 4 is â4 â compare opposite 3.
Definition: The inverse of a function is the set of ordered pairs obtained by interchanging the first and second elements of each pair in the original function. Should the inverse of function f (x) also be a function, this inverse function is denoted by f -1(x).