'Complex fraction' definitions:

Definition of 'complex fraction'

noun

A fraction with fractions in the numerator or denominator [syn: complex fraction, compound fraction]

From: GCIDE

Complex \Com"plex\ (k[o^]m"pl[e^]ks), a. [L. complexus, p. p. of complecti to entwine around, comprise; com- + plectere to twist, akin to plicare to fold. See Plait, n.]
1. Composed of two or more parts; composite; not simple; as, a complex being; a complex idea. [1913 Webster]
Ideas thus made up of several simple ones put together, I call complex; such as beauty, gratitude, a man, an army, the universe. --Locke. [1913 Webster]
2. Involving many parts; complicated; intricate. [1913 Webster]
When the actual motions of the heavens are calculated in the best possible way, the process is difficult and complex. --Whewell. [1913 Webster]
Complex fraction. See Fraction.
Complex number (Math.), in the theory of numbers, an expression of the form a + b[root]-1, when a and b are ordinary integers.
Syn: See Intricate. [1913 Webster]