zygomorphous

Definitions

  • WordNet 3.6
    • adj zygomorphous capable of division into symmetrical halves by only one longitudinal plane passing through the axis
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Webster's Revised Unabridged Dictionary
    • a Zygomorphous (Biol) Symmetrical bilaterally; -- said of organisms, or parts of organisms, capable of division into two symmetrical halves only in a single plane.
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Century Dictionary and Cyclopedia
    • zygomorphous Yoke-shaped: specifically applied to flowers which can be bisected into similar halves in only one plane; mono-symmetrical. Sachs extends the term to cases where bisection into similar halves is possible in two planes at right angles to one another, the halves of one section being different from the halves of the other. Goebel. Compare actinomorphous.
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Chambers's Twentieth Century Dictionary
    • adj Zygomorphous zī-gō-mor′fus yoke-shaped—of flowers divisible into similar halves in one plane only—also Zygomor′phic
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Etymology

Webster's Revised Unabridged Dictionary
Gr. zygo`n a yoke + form
Chambers's Twentieth Century Dictionary
Gr. zygon, a yoke, morphē, form.

Usage

In literature:

Zygomorphy, Zygomorphic, 164, 215, 226.
"Elements of Structural and Systematic Botany" by Douglas Houghton Campbell
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