(topology) A collection of simplices of various dimensions, connected to one another according to certain rules.

(topology) A simplicial complex where every collection of pairwise adjacent vertices spans a simplex.

(mathematics) A 2-dimensional CW complex encoding information about a group and its presentation.

(topology) A collection of balls of various dimensions, with higher-dimensional ones mapped along their respective boundaries to lower-dimensional ones.

(chemistry) any ion containing more than one atom. e.g. sulphate as opposed to sulphide

(mathematics) The branch of mathematics that studies holomorphic functions.

(psychoanalysis) In Freudian theory, the complex of emotions aroused in a child by an unconscious sexual desire for the parent of the opposite sex.

Synonym of coordination compound

(psychology) A psychological complex involving fixations of a sexual nature; a fetish.

Alternative form of coordination compound