PINNATE

Pinnate

Pinnate refers to feather-like or multi-divided features arising from both sides of a common axis. In biological morphology the term applies to plant or animal structures, but it also is used in other disciplines, for example in describing crystalline structures such as some forms of ice or metal crystals, and in earth sciences, where it may refer to patterns of erosion or stream beds.

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pinnate

Adjective

  1. Resembling a feather.
  2. Having two rows of branches, lobes, leaflets, or veins arranged on each side of a common axis
    Mimosa is a tree with pinnate leaves.
    The trunk is unbranched, often much shortened, and bears a crown of feathery or pinnate fronds.
  3. Having a winglike tuft of long feathers on each side of the neck.
    the pinnate grouse, or prairie chicken


The above text is a snippet from Wiktionary: pinnate
and as such is available under the Creative Commons Attribution/Share-Alike License.

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