Definition of phloem noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈfləʊem//
; NAmE NAmE//ˈfloʊem//
[uncountable] (biology)
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the material in a plant containing very small tubes that carry sugars produced in the leaves around the plant compare xylem Word Originlate 19th cent.: from Greek phloos ‘bark’ + the passive suffix -ēma.
See the Oxford Advanced American Dictionary entry: phloem