Longman Dictionary of Contemporary English homepage

Topic: BIOLOGY

Date: 1300-1400
Language: Latin
Origin: nodus 'knot, node'

node

noun
     
node [countable] technical
1HBP the place on the stem of a plant from which a leaf or branch grows
2 a place where lines in a network cross or join
3TD a part of a computer network where messages can be received or sent
4HB a lymph node
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