Look up component in Wiktionary, the free dictionary.

Component may refer to:

In engineering, science, and technology

Generic systems

• System components, an entity with discrete structure, such as an assembly or software module, within a system considered at a particular level of analysis
• Lumped element model, a model of spatially distributed systems

Electrical

• Component video, a type of analog video information that is transmitted or stored as two or more separate signals
• Electronic component, a constituent of an electronic circuit
• Symmetrical components, in electrical engineering, analysis of unbalanced three-phase power systems

Mathematics

• Color model, a way of describing how colors can be represented, typically as multiple values or color components
• Component (group theory), a quasi-simple subnormal sub-group
• Connected component (graph theory), a maximal connected subgraph
• Connected component (topology), a maximal connected subspace of a topological space
• Vector component, result of the decomposition of a vector into various directions

Science

• Component (thermodynamics), a chemically independent constituent of a phase of a system

Software

• Component (UML), definition of component in the Unified Modeling Language
• Component-based software engineering, a field within software engineering dealing with reusable software elements
• Software component, a reusable software element

Other uses

• Component (VTA), a light-rail station in San Jose, California
• Part of the grammatical structure of a sentence, a concept relating to the catena
• Component ingredient, in a culinary dish