abaxial

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English[edit]

Alternative forms[edit]

Etymology[edit]

ab- (away from) +‎ axial (axis).

Pronunciation[edit]

Adjective[edit]

abaxial (not comparable)

  1. (botany, zoology) Of a side that is facing away from the axis or central line, such as the underside of a leaf; or the back of an animal. [Mid 19th century.][3]
    • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, page 7
      The lobule margins, furthermore, are arched away from the lobe, with the consequence that (when fully inflated) the abaxial leaf surface forms the interior lining of the lobule.
  2. (Can we verify(+) this sense?) (mathematics) Of a direction perpendicular to an axis or of the coordinate that measures displacement in such a direction.

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References[edit]

  1. ^ Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], ISBN 0-87779-101-5), page 2
  2. ^ William Morris (editor), The American Heritage Dictionary of the English Language (1971 [1969]; American Heritage Publishing Co., Inc.; ISBN 0-395-09066-0), page 2
  3. ^ Lesley Brown (editor), The Shorter Oxford English Dictionary, 5th edition (Oxford University Press, 2003 [1933], ISBN 978-0-19-860575-7), page 2