COMPLEX

Definitions

1. 1. Composed of two or more parts; composite; not simple; as, a complex being; a complex idea. Ideas thus made up of several simple ones put together, I call complex; such as beauty, gratitude, a man, an army, the universe. Locke.
2. 2. Involving many parts; complicated; intricate. When the actual motions of the heavens are calculated in the best possible way, the process is difficult and complex. Whewell. Complex fraction. See Fraction. -- Complex number (Math.), in the theory of numbers, an expression of the form a + bsq. root-1, when a and b are ordinary integers.