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rhytidome

noun
rhyt·i·dome | \ ˈri-tə-ˌdōm , ˈrī- \

Definition of rhytidome 

: the bark external to the last formed periderm

First Known Use of rhytidome

1861, in the meaning defined above

History and Etymology for rhytidome

Greek rhytidōma wrinkle, from rhytidoun to wrinkle, from rhytid-, rhytis wrinkle

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The first known use of rhytidome was in 1861

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