from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Having only one axis.
  • adjective Of, relating to, or affecting one axis.
  • adjective Having one direction along which double refraction of light does not take place. Used of a crystal.

from The Century Dictionary.

  • Having but one optical axis, or axis of double refraction. Iceland spar is a uniaxial crystal. See refraction, and cut under interference.
  • In biology, having one main axis to which the other axes are subordinate; growing lengthwise.
  • In botany, having a single axis, as when the primary stem of a plant does not branch and terminates in a flower.
  • Monaxon, as a sponge-spicule.
  • noun A uniaxial crystal.
  • noun Also uniaxal.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Crystallog.) Having but one optic axis, or line of no double refraction.
  • adjective (Biol.) Having only one axis; developing along a single line or plane; -- opposed to multiaxial.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Having a single axis
  • adjective botany Having a single stem, with no branches, that terminates in a flower


Sorry, no etymologies found.



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