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In general, a node is a localized swelling (a "knot") or a point of intersection (a vertex).

Node may refer to:

In computing and electronics[edit]

  • NODE, a wireless handheld sensor for smart devices
  • Node (circuits), a region in an electrical circuit where there is no change in potential
  • Node (computer science), the computer representation of a node in a graph, and a basic unit used to build data structures
  • Goal node (computer science), a node in a graph that meets defined criteria for success or termination
  • Node (networking), a device such as a computer or switch attached to a computer or telecommunications network, or a point in a network topology where lines intersect or terminate
  • An entity in a mesh network
  • Node (UML), the representation of a computational device in the Unified Modeling Language
  • Node.js, a JavaScript-based, cross-platform runtime environment
  • NodeB, hardware that is connected to the mobile phone network
  • Node, a shorthand used to designate a semiconductor fabrication process

In science[edit]

Astronomy and space[edit]





  • Node (physics), a point along a standing wave where the wave has minimal amplitude

In music[edit]

Other uses[edit]

See also[edit]