cone Hear it!

cone Definition

cone (kōn)

noun

    1. a flat-based, single-pointed solid formed by a rotating straight line that traces out a closed-curved base from a fixed vertex point that is not in the same plane as the base; esp., one (right circular cone) formed by tracing a circle from a vertex perpendicular to the center of the base (also formed by rotating a right triangle 360° with either leg as the axis, or by rotating an isosceles triangle 360° with the altitude as the axis)
    2. the surface of such a solid
    3. a similar unbounded surface extending outward in both directions from a point: it is formed by rotating in an elliptical or circular pattern a straight line that always passes through this point
  2. any object or mass shaped like a cone; specif.,
    1. a crisp shell of pastry for holding a scoop of ice cream
    2. the peak of a volcano
    3. any of various machine parts
  3. Bot.
    1. a reproductive structure of certain nonflowering plants, consisting of an elongated central axis upon which are borne overlapping scales, bracts, sporophylls, etc., usually in a spiral fashion, and in which are produced pollen, spores, or ovules; strobilus: cones are found in cycads, conifers, club mosses, horsetails, etc.
    2. any similar structure, as the catkin of hops
  4. Zool.
    1. any of the flask-shaped cells in the retina of most vertebrates, sensitive to bright light and color
    2. cone shell
  5. the diaphragm (sense ) of a speaker, usually cone-shaped

Etymology: ME < L conus < Gr kōnos, a wedge, peak, cone < IE base kō(n)-, to sharpen > hone, L cos

transitive verb coned, con′·ing

to shape like a cone or a conical segment

cone Synonyms

cone

n.

  1. A conical object

    conoid, cone-shaped area, conoidal area, conoidal surface, funnel, cornet, strobiloid.

    Types of cones include: circular, right circular, chief, stepped, supplemental, oblique, retinal, endostylic, pyrometric, crystalline; cone of spread, cone of dispersion.

  2. A loudspeaker

    diaphragm, cone speaker, amplifier; see loudspeaker.

  3. A fruit-bearing cluster

    strobile, strobilus, fruit of the Coniferae, fruit of the Coniferales, raceme, catkin, ament; see also flower 1, seed, 1, 2.

cone Usage Examples

Converse of object

rotate: The heating surface is the underside of hollow, rotating cones.

Preposition: in

retina: Color vision theory There seems to be very strong evidence that color vision occurs in response to the cones in the retina.

Adjective modifier

  • 100g: Try couching down into embroidery for elements of texture. £ 1.90 per 100g cone [ Convert Currency ] Giant Gems *New* BARGAIN OFFER!
  • 400g: We will shortly be stocking the natural undyed ecru on a 400g cones.
  • volcanic: Southeast along the coast from Waikiki is the area's most famous landmark, the extinct volcanic cone of Diamond Head.
  • inverted: Birmingham central library is set to move from its inverted cone, for pastures new.
  • vaginal: Vaginal cones Vaginal cones are weights that can help you exercise the muscles of your pelvic floor, and can help SUI.
  • 250g: Hand wash, dry flat, do not iron £ 2.50 per 250g cone [ Convert Currency ] Festival Knops BARGAIN OFFER!

Modifies a noun

  • photoreceptor: Identification of a subtype of cone photoreceptor, likely to be blue sensitive, in the human retina.
  • biopsy: You may have cone biopsy under general or local anesthetic.
  • teletubbies: Cones elephants teletubbies etc presentation and said volunteer fire brigade.
  • spectral: The cone spectral sensitivities are defined as linear combinations of the Stiles and Burch ( 1959 ) 10-deg CMFs, , and.
  • radius: The default cone search radius is 1 arc minute.
  • clutch: A belt from the windshaft drove a cone friction clutch system which conveyed its action to the existing striking gear.

Noun used with modifier

  • fir: Do the curious checkered sacks beneath his chin represent fir cones or grapes?
  • pine: Ever watched a child play for hours with a simple object like a pine cone or a cardboard box?
  • incense: PLUS a bag of 10 high quality mixed incense cones.
  • cinder: On deeper horizons noise sources are displaced under a chain of cinder cones by wide strip.
  • ice-cream: After eating indian food we all got ice-cream cones.
  • nose: NOTE: The Center of Pressure position calculated is measured in meters from the nose cone tip.