The elements or compounds making up a material or produced from it by analysis.

The act of composing or combining type for printing, either by hand or by machine.

1. The composition of two mappings, ƒ and g, denoted g ° ƒ , where the domain of g includes the range of ƒ , is the mapping which assigns to each element x in the domain of ƒ the element g(y ), where y = ƒ (x ).

2. See <<addition>>

The determination of a force whose effect is the same as that of two or more given forces acting simultaneously; all forces are considered acting at the same point.