cone

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The axis of the cone is a woody shell, enclosing a wide pith and covered by a thick cortex traversed by resin-ducts.

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Definitions (66)

Toggle American Heritage definitions American Heritage Dictionary (10)

  1. noun Mathematics The surface generated by a straight line, the generator, passing through a fixed point, the vertex, and moving along a fixed curve, the directrix.
  2. noun Mathematics A right circular cone.
  3. noun The figure formed by a cone, bound or regarded as bound by its vertex and a plane section taken anywhere above or below the vertex.

Toggle Century definitions Century Dictionary (49)

Toggle GNU Webster definitions GNU Webster's 1913 (2)

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Examples (50)

  • I stopped in for a cone, and we got to talking I thought you said she never worked Did I? —  Laura Lipmann - By a Spider's Tread
  • Similar to other primitive vascular plants, they exhibit an asexual reproductive structure, the sphenophyte strobilus, more commonly known as a cone.
  • In the Z position if you check Flip Axis for the cone, the cone will turn upside down.
  • The sole reflector is on the silly plastic cone which is mostly hidden behind the concrete barrier. —  REALNEO for all - Regional Economics Action Links North East Ohio
  • Hurricane Ike will make landfall shortly after Midnight tonight along the for the latest advisory and forecast cone from the National Weather Service —  NBC2 News
 

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This word has been looked up 126 times.

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Etymologies (3)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. French cône and Middle English cone, angle of a quadrant, both from Latin cōnus, from Greek kōnos; see kō- in Indo-European roots.

Toggle Century etymologies Century Dictionary (2)

  1. from French cône = Spanish cono = Portuguese cone = Italian cono, from Latin conus, from Gr.κῶνος, a cone, peak, peg, =L. cuncus, a wedge (later ult. English coin, coign, quoin, q. v.); cf. Sanskrit çāna, a whetstone (= English hone, q. v.), ✓ çā, sharpen.
  2. from cone, n.
 

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/koʊn/
by American Heritage

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