adaxial
adjective
ad·ax·i·al
(ˌ)a-ˈdak-sē-əl 
: 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
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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.
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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
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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
Cite this Entry
“Adaxial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adaxial. Accessed 18 Jul. 2025.
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