(US, insurance, business) An item to be used as a subcomponent and tested for safety by Underwriters Laboratories ("UL"); the item will have a special trademark of UL.

(topology) A solid torus whose boundary is a leaf of a foliation of the ambient 3-dimensional manifold.

plural of connected component

plural of Reeb component

plural of discrete component

(electronics) a component with just one circuit element, either passive (resistor, capacitor, inductor) or active (transistor or vacuum tube).

A format of analog television signal that is split into multiple components, typically each carrying a different colour

Alternative form of multicomponent

(physics) either of the first, second or third components of a four-vector

(graph theory) Given a directed graph, a maximal strongly connected subgraph.