ab·​ax·​i·​al (ˌ)a-ˈbak-sē-əl How to pronounce abaxial (audio)
: situated out of or directed away from the axis
the abaxial or lower surface of a leaf

Example Sentences

Recent Examples on the Web 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 'abaxial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


ab- + axial

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of abaxial was in 1835

Dictionary Entries Near abaxial

Cite this Entry

“Abaxial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abaxial. Accessed 8 Feb. 2023.

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