epicotyl

noun
epi·cot·yl | \ˈe-pi-ˌkä-tᵊl \

Definition of epicotyl 

: the portion of the axis of a plant embryo or seedling above the cotyledonary node

First Known Use of epicotyl

1880, in the meaning defined above

History and Etymology for epicotyl

epi- + cotyledon

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The first known use of epicotyl was in 1880

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