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.
Identity Properties for the set of all Real Numbers. An additive identity is a number that can be added to any number without changing the value of that other number. The additive identity for the set of all real numbers is 0 (zero). The number 0 can be added to any real number without changing its value.