abaxial

adjective
ab·​ax·​i·​al | \ (ˌ)a-ˈbak-sē-əl How to pronounce abaxial (audio) \

Definition of abaxial

: situated out of or directed away from the axis the abaxial or lower surface of a leaf

First Known Use of abaxial

1835, in the meaning defined above

History and Etymology for abaxial

ab- + axial

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