Longman Dictionary of Contemporary English homepage

Language: Old English
Origin: pitha

pith

 noun
     
pith
Related topics: Plants
pith [uncountable]
1HBP a white substance just under the outside skin of oranges and similar fruit:
Peel the oranges with a sharp knife to remove all pith.
2HBP a soft white substance that fills the stems of some plants
Definition from the Longman Dictionary of Contemporary English
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