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.
inverse number. The inverse number or reciprocal number of a non-zero real or complex number. may be denoted by. , and it means the quotient. (so, it is really the. power of. ). Two numbers are inverse numbers of each other if and only if their product is equal to 1 (cf. opposite inverses).nverse number. The inverse number or reciprocal number of a non-zero real or complex number. may be denoted by. , and it means the quotient. (so, it is really the. power of. ). Two numbers are inverse numbers of each other if and only if their product is equal to 1 (cf. opposite inverses).