node

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noun \ˈnōd\

Definition of node

  1. 1a :  a pathological swelling or enlargement (as of a rheumatic joint)b :  a discrete mass of one kind of tissue enclosed in tissue of a different kind

  2. 2 :  an entangling complication (as in a drama) :  predicament

  3. 3 :  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

  4. 4a :  a point, line, or surface of a vibrating body or system that is free or relatively free from vibratory motionb :  a point at which a wave has an amplitude of zero

  5. 5a :  a point at which subsidiary parts originate or centerb :  a point on a stem at which a leaf or leaves are insertedc :  a point at which a curve intersects itself in such a manner that the branches have different tangentsd :  vertex 1b

Examples of node in a sentence

  1. <the doctor examined the node on my knee before deciding it was the result of arthritis>

Origin and Etymology of node

Middle English, from Latin nodus knot, node; akin to Middle Irish naidm bond


First Known Use: 15th century


NODE Defined for English Language Learners

node

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noun \ˈnōd\

Definition of node for English Language Learners

  • : a small lump or mass of tissue in your body

  • : the small round part on the stem of a plant where a leaf grows

  • : a place where lines in a network cross or meet


NODE Defined for Kids

node

play
noun \ˈnōd\

Definition of node for Students

  1. :  a thickened spot or part (as of a plant stem where a leaf develops)


Medical Dictionary

node

play
noun \ˈnōd\

Medical Definition of node

  1. 1a:  a pathological swelling or enlargement (as of a rheumatic joint)b:  a body part resembling a knot; especially :  a discrete mass of one kind of tissue enclosed in tissue of a different kind—see atrioventricular node, lymph node

  2. 2:  a point, line, or surface of a vibrating body that is free or relatively free of vibratory motion



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