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Meaning of vertical

ver•ti•cal

Pronunciation: (vûr'ti-kul), [key]
— adj.
  1. being in a position or direction perpendicular to the plane of the horizon; upright; plumb.
  2. of, pertaining to, or situated at the vertex.
  3. of or pertaining to the cranial vertex.
    1. (of a leaf&hasp;) having the blade in a perpendicular plane, so that neither of the surfaces can be called upper or lower.
    2. being in the same direction as the axis; lengthwise.
  4. of, constituting, or resulting in vertical combination.
  5. of or pertaining to a product or service from initial planning to sale.
  6. of, pertaining to, or noting a stratified society, nation, etc.
—n.
  1. something vertical, as a line or plane.
  2. a vertical or upright position.
  3. a vertical structural member in a truss.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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