cone

/koun/
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cone

A child licks a vanilla ice cream cone in the park.

Definition

  1. Noun:

    • A geometric shape: A three-dimensional solid figure that has a flat circular base and a single vertex (apex) at the top, with sides that taper smoothly from the base to the apex.
    • An object with this shape: Any natural or man-made object that resembles this geometric form.
    • A part of a plant: In botany, the reproductive structure of conifers (like pine trees) and some other plants, consisting of overlapping scales that bear seeds or spores.
    • A part of the eye: A type of photoreceptor cell in the retina of the eye that is responsible for color vision and function best in relatively bright light.

  2. Verb:

    • To shape like a cone: To form something into the shape of a cone.
Examples of Usage

  • Noun:

    • The children built a sandcastle with a tall cone on top. (Refers to the geometric shape.)
    • Traffic cones are used to mark construction zones. (Refers to a cone-shaped object.)
    • We collected pine cones from the forest floor. (Refers to the botanical structure.)
    • Human eyes have three types of cones, each sensitive to different colors. (Refers to the eye cell.)

  • Verb:

    • The potter expertly coned the clay on the wheel. (Refers to the action of shaping.)
    • The machine is designed to cone the paper for holding snacks. (Refers to the manufacturing process.)
Advanced Usage
  • "To cone off" (Phrasal Verb): To mark or close an area using traffic cones.
    • The police coned off the accident scene.
  • In a technical/scientific context: The term is used in fields like geometry ("volume of a cone"), geology ("volcanic cinder cone"), and optics ("cone of light").
Variants and Related Words
  • Conical (adj): Having the shape of a cone.
    • The wizard wore a tall, conical hat.
  • Conifer (n): A type of tree that typically bears cones.
    • Pines and firs are common conifers.
  • Conoid (n/adj): An object or shape that is approximately conical.
Synonyms
  • Pyramid: (Specifically when referring to a tapering shape, though a pyramid has a polygonal base.)
  • Funnel: (For a hollow, cone-shaped object used for pouring.)
  • Strobilus: (The technical botanical term for a cone.)
Related Phrasal Verbs
  • Cone off: To close or mark an area with cones.
    • The crew will cone off the lane for repairs.
Related Idioms
  • A cone of silence: An imaginary area or situation where conversations are meant to be private or secret. (This is a humorous or metaphorical extension, popularized by the TV show .)
    • Let's put a cone of silence over this discussion until the official announcement.
cone

A child licks a vanilla ice cream cone in the park.

Noun
  1. a visual receptor cell in the retina that is sensitive to bright light and to color
  2. cone-shaped mass of ovule- or spore-bearing scales or bracts
  3. a shape whose base is a circle and whose sides taper up to a point
  4. any cone-shaped artifact
Verb
  1. make cone-shaped
    • cone a tire

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