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.
Define additive identity: an identity element (such as 0 in the group of whole numbers under the operation of addition) that in a given mathematical â¦ an identity element (such as 0 in the group of whole numbers under the operation of addition) that in a given mathematical system leavesâ¦ See the full definition since 1828