node

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈnəʊd/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/noʊd/ ,USA pronunciation: respelling(nōd)


WordReference Random House Learner's Dictionary of American English © 2026
node /noʊd/USA pronunciation   n. [countable]
  1. a knot or knob of something that sticks up or out.
  2. a centering point of parts, lines, etc., that come together.
  3. Anatomya knotlike mass of tissue:a lymph node.
  4. Botanya part of a stem from which a leaf or branch grows.
nod•al, adj. 

WordReference Random House Unabridged Dictionary of American English © 2026
node  (nōd),USA pronunciation n. 
  1. a knot, protuberance, or knob.
  2. a centering point of component parts.
  3. Anatomya knotlike mass of tissue:lymph node.
  4. Pathologycircumscribed swelling.
  5. Botany
    • Botanya joint in a stem.
    • Botanya part of a stem that normally bears a leaf.
  6. Mathematicsknot (def. 12).
  7. Mathematics[Geom.]a point on a curve or surface at which there can be more than one tangent line or tangent plane.
  8. Physicsa point, line, or region in a standing wave at which there is relatively little or no vibration.
  9. Astronomyeither of the two points at which the orbit of a heavenly body intersects a given plane, esp. the plane of the ecliptic or of the celestial equator. Cf. ascending node, descending node. 
  10. Linguisticsan element of a tree diagram that represents a constituent of a linguistic construction.
  11. OpticsSee nodal point. 
  12. Civil Engineering[Engin.]See panel point. 
  13. nodus.
  • Latin nōdus knot
  • 1565–75

Collins Concise English Dictionary © HarperCollins Publishers::
node /nəʊd/ n
  1. a knot, swelling, or knob
  2. the point on a plant stem from which the leaves or lateral branches grow
  3. a point at which the amplitude of one of the two kinds of displacement in a standing wave has zero or minimum value. Generally the other kind of displacement has its maximum value at this point See also standing wave
  4. Also called: crunode a point at which two branches of a curve intersect, each branch having a distinct tangent
  5. one of the objects of which a graph or a tree consists; vertex
  6. either of the two points at which the orbit of a body intersects the plane of the ecliptic. When the body moves from the south to the north side of the ecliptic, it passes the ascending node; moving from the north to the south side, it passes the descending node
  7. any natural bulge or swelling of a structure or part, such as those that occur along the course of a lymphatic vessel (lymph node)
  8. an interconnection point on a computer network
Etymology: 16th Century: from Latin nōdus knot
'node' also found in these entries (note: many are not synonyms or translations):
bubo - denouement - gland - harmonics - harmonic series - lymph gland - lymph node - newel - nodule - noose - spinode - standing wave - tacnode - wave - antinode - articulation - ascending node - atrioventricular node - A-V node - barley - descending node - dominate - dragon's head - dragon's tail - folium - internode - joint - knot - labeled bracketing - lymphadenoma - nodal - nodal point - node of Ranvier - nodical - nodose - nodulus - north node - nowy - opposite - pacemaker - panel point - phrase structure tree - tetrapod - trinodal - sinoatrial node - sinus node - south node

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