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

 

phloem

 noun
noun
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 Origin late 19th cent.: from Greek phloos ‘bark’ + the passive suffix -ēma.
See the Oxford Advanced American Dictionary entry: phloem