Pronunciation: (
adj., v.kum-pleks', kom'pleks;
1. composed of many interconnected parts; compound; composite: a complex highway system.
2. characterized by a very complicated or involved arrangement of parts, units, etc.: complex machinery.
3. so complicated or intricate as to be hard to understand or deal with: a complex problem.
4. Gram.
a. (of a word) consisting of two parts, at least one of which is a bound form, as childish, which consists of the word child and the bound form -ish.
b. See complex sentence.
5. Math.pertaining to or using complex numbers: complex methods; complex vector space.

1. an intricate or complicated association or assemblage of related things, parts, units, etc.: the entire complex of our educational system; an apartment complex.
2. Psychol.a system of interrelated, emotion-charged ideas, feelings, memories, and impulses that is usually repressed and that gives rise to abnormal or pathological behavior.
3. a fixed idea; an obsessive notion.
4. Math.
a. an arbitrary set of elements of a group.
b. a collection of simplexes having specified properties.
5. Also called coordination compound. Chem.a compound in which independently existing molecules or ions of a nonmetal (complexing agent) form coordinate bonds with a metal atom or ion. Cf. ligand (def. 2).
6. entity composed of molecules in which the constituents maintain much of their chemical identity: receptor-hormone complex, enzyme-substrate complex.

v.t. form a complex with.

v.i. form a complex.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

completioncomplex analysis
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