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node

noun

  1. basic unit of a graph data structure such as a tree or linked list
  2. a point on a stem at which a leaf or leaves are inserted
  3. a point at which a curve intersects itself in such a manner that the branches have different tangents
  4. vertex: a point (as of an angle, polygon, polyhedron, graph, or network) that terminates a line or curve or comprises the intersection of two or more lines or curves
  5. intersection of three or more electrical cunductors
  6. a pathological swelling or enlargement (as of a rheumatic joint)
  7. a discrete mass of one kind of tissue enclosed in tissue of a different kind
  8. an entangling complication (as in a drama) : predicament
  9. either of the two points where the orbit of a planet or comet intersects the ecliptic; also : either of the points at which the orbit of an earth satellite crosses the plane of the equator
  10. a point, line, or surface of a vibrating body or system that is free or relatively free from vibratory motion
  11. a point at which a wave has an amplitude of zero
  12. a point at which subsidiary parts originate or center
L18052 on Wikidata ↗

Wiktionary

Pronunciation: /nəʊd/ / /noʊd/

name

  1. Acronym of New Oxford Dictionary of English.

noun

Etymology: From Middle English node, borrowed from Latin nōdus. Doublet of knot, knout, and nodus.

  1. A knot, knob, protuberance or swelling.
  2. The point where the orbit of a planet, as viewed from the Sun, intersects the ecliptic. The ascending and descending nodes refer respectively to the points where the planet moves from South to North and N to S; their respective symbols are ☊ and ☋.
  3. A leaf node.
  4. A computer or other device attached to a network.
  5. The point at which the lines of a funicular machine meet from different angular directions.
  6. The point at which a curve crosses itself, being a double point of the curve. See crunode and acnode.
  7. A similar point on a surface, where there is more than one tangent-plane.
  8. A vertex or a leaf in a graph of a network, or other element in a data structure.
  9. A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint.
  10. A point along a standing wave where the wave has minimal amplitude.
  11. The knot, intrigue, or plot of a dramatic work.
  12. A hole in the gnomon of a sundial, through which passes the ray of light which marks the hour of the day, the parallels of the Sun's declination, its place in the ecliptic, etc.
  13. The word of interest in a KWIC, surrounded by left and right cotexts.
  14. A region of an electric circuit connected only by (ideal) wires (i.e. the voltage between any two points on the same node must be zero).
  15. A point in a parse tree that can be assigned a syntactic category label.
  16. A point in a cladogram from which two clades branch, representing the presumed ancestor.