complex

2. A collection of buildings with a common purpose, such as a university or military base.

3. An assemblage of related things; a collection.

4. An abnormal mental condition caused by repressed emotions.

5. (by extension) A vehement, often excessive psychological dislike or fear of a particular thing.

6. A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules.

7. A complex number.

1. To form a complex with another substance

2. To complicate.

1. Made up of multiple parts; composite; not simple.

2. Not simple, easy, or straightforward; complicated.

3. (of a number) Having the form a + bi, where a and b are real numbers and i is (by definition) the imaginary square root of −1.

4. (of a function) Whose range is a subset of the complex numbers.

5. Whose coefficients are complex numbers; defined over the field of complex numbers.

6. A curve, polygon or other figure that crosses or intersects itself.