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Located away from or on the opposite side of the axis, as of an organ or organism.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(æbˈæksɪəl) or


(Botany) facing away from the axis, as the surface of a leaf. Compare adaxial
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(æbˈæk si əl)

being or situated away from the axis: the abaxial surface of a leaf.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.abaxial - facing away from the axis of an organ or organismabaxial - facing away from the axis of an organ or organism; "the abaxial surface of a leaf is the underside or side facing away from the stem"
biological science, biology - the science that studies living organisms
adaxial, ventral - nearest to or facing toward the axis of an organ or organism; "the upper side of a leaf is known as the adaxial surface"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The adaxial surface of the leaf had more trichomes than the abaxial leaf surface.
Cell shape is usually irregular in all species except Portulaca grandiflora Hook that is isodiametric on the adaxial surface and irregular on the abaxial surface.
The vascular traces are difficult to discern, but at least one appears to show abaxial indentation, a diagnostic feature of Artisophyton.
Adaxial matte surface to subnitid, glabrous or slightly hirtellous on midrib, abaxial surface with the midrib, and sometimes lateral veins as well, most of which are slightly are puberulent or hirtellous and also with coarse, subapressed hairs, very densely tomentose, petiole 0.8-1.5 cm long (Fig.
Results indicated that the crosses4x5 with 44.8 stomata per mm 2 atthe abaxial surfaceand 56.16 stomata per mm 2 atthe adaxial surface, 3x8 with 46.4 stomata per mm 2 atabaxial and 51.8 stomata per mm 2 ofthe adaxial surfaceand 4x5 with45.6 stomata per mm 2 at abaxial and 53.44 stomata per mm 2 at the adaxial surfaceshowed maximum number of stomata per mm 2 at normal, stress and water holding sites, respectively.
The five branching types were lateral axillary branching, shoot apical division, false vivipary, abaxial branching and leaf-opposed branching.
The counts were made on both sides (adaxial and abaxial) of 30 leaflets located in the upper third of the plant.
For the cross sections in the median third region, the total thickness of the leaf blade, adaxial and abaxial cuticle, adaxial and abaxial epidermis, mesophyll, palisade and spongy parenchyma was quantitatively evaluated (n = 30).