ad·​ax·​i·​al | \ (ˌ)a-ˈdak-sē-əl How to pronounce adaxial (audio) \

Definition of adaxial

: situated on the same side as or facing the axis (as of an organ) the adaxial or upper surface of a leaf

Examples of adaxial in a Sentence

Recent Examples on the Web Many plant scientists see leaves as being broken up into two domains—the upper leaf, or adaxial, and the lower leaf, or abaxial—and have looked at this separation as the key to producing a wide variety of leaf forms. Maddie Burakoff, Smithsonian Magazine, 29 Jan. 2020 The two fields run perpendicular to each other, with one from the base to the tip of the leaf and the other from the surface to the adaxial-abaxial boundary. Maddie Burakoff, Smithsonian Magazine, 29 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'adaxial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of adaxial

1835, in the meaning defined above

History and Etymology for adaxial

ad- + axial

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Time Traveler for adaxial

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The first known use of adaxial was in 1835

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a day

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Cite this Entry

“Adaxial.” Dictionary, Merriam-Webster, Accessed 22 May. 2022.

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