Definitions
1.nounA network of interconnected systems.
2.nounA collection of buildings with a common purpose, such as a university or military base.
3.nounAn assemblage of related things; a collection.
4.nounAn abnormal mental condition caused by repressed emotions.
5.noun(by extension) A vehement, often excessive psychological dislike or fear of a particular thing."Jim has a real complex about working for a woman boss."
6.nounA structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules.
7.nounA complex number.
8.verbTo form a complex with another substance
9.verbTo complicate.