Node

Look up node in Wiktionary, the free dictionary.

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

Node may refer to:

In mathematics

• Node (autonomous system), behaviour for an ordinary differential equation near a critical point
• Node (graph theory), a vertex in a mathematical graph, or a point in a network topology at which lines intersect, branch or terminate.
• A type of singular point of a curve.

In computing and electronics

• 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
• Mesh node, a node on a mesh network
• Node (UML), the representation of a computational device in the Unified Modeling Language
• Node.js, a javascript-based programming framework
• Node (textual), a self-contained unit of meaning within a hypertextual network
• Node B, hardware that is connected to the mobile phone network

In science

• Biology
  • Primitive node is the organizer tissue for gastrulation in vertebrates.
  • Node (botany), the place on a plant stem where a leaf is attached
  • In Cladistics, a shared ancestor (also see Clade)
• Space
  • Orbital node, the points where an orbit crosses a plane of reference
    • Lunar node, where the orbits of the sun and moon intersect
    • Longitude of the node, how orbital nodes are parameterised
  • Node 4, a proposed module of the International Space Station
  • Node Module (disambiguation), a planned module of the International Space Station
• Physics
  • Node (physics), a point along a standing wave where the wave has minimal amplitude
• Linguistics
  • Node (linguistics), a branch point in the Tree model, or Node Theory, of language evolution

In music

• Node (band), Italian death metal band

Other uses

• Node, Kentucky
• Node tribe, a community of pastoral nomads in India and Pakistan
• Node, a stop in a transportation system
• Node 4-Giordana Racing, a British cycling team
• Node Magazine, a literary project based on the novel Spook Country by William Gibson
• Node (Well of Echoes), phenomena in Ian Irvine’s The Three Worlds Cycle of novels
• New Oxford Dictionary of English, a single-volume English language dictionary
• Node, a cyborg with a donated human face used as a guide, in "Silence in the Library" (Doctor Who)
• Node, the pommel-like part of a Chalice where the stem meets the cup

See also

• Nodule (disambiguation)
• Nodal (disambiguation)

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