• Electronic components, the constituents of electronic circuits.
• Component ingredient, the main ingredient in a dish.
• Component video, a type of analog video information that is transmitted or stored as two or more separate signals
• Symmetrical components, in electrical engineering, analysis of unbalanced three phase power systems
• Component-based software engineering, a field of study within software engineering dealing with software components, reusable software elements with a specification
• Component (thermodynamics), a chemically distinct constituent of a phase of a system
• Component (VTA), a light-rail station in San Jose, California
• Lumped component, a model of spatially distributed systems

Mathematical terms

• Component (group theory), a quasisimple subnormal subgroup
• Connected component (analysis), a maximal set where there exists a path between any two elements, also known as a path component
• Connected component (graph theory), a maximal connected subgraph
• Connected component (topology), a maximal connected subspace of a topological space
• Vector component, a term in the decomposition of a vector into various directions such as axial, radial or tangential
• Classical treatment of tensors describes a tensor as a multidimensional array of components.
• Connected space
• Gabow's algorithm
• Giant component
• Identity component
• Irreducible component
• Principal components analysis
• Strongly connected component
• Tangential and normal components

See also

• Components