cone


cone
cone [kōn]
n.
[ME < L conus < Gr kōnos, a wedge, peak, cone < IE base kō(n)-, to sharpen > HONE1, L cos]
1.
a) 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)
b) the surface of such a solid
c) 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.,
a) a crisp shell of pastry for holding a scoop of ice cream
b) the peak of a volcano
c) any of various machine parts
3. Bot.
a) 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.
b) any similar structure, as the catkin of hops
4. Zool.
a) any of the flask-shaped cells in the retina of most vertebrates, sensitive to bright light and color
b) CONE SHELL
5. the DIAPHRAGM (sense 5) of a speaker, usually cone-shaped
vt.
coned, coning
to shape like a cone or a conical segment

English World dictionary. . 2014.

Look at other dictionaries:

  • cône — cône …   Dictionnaire des rimes

  • cône — [ kon ] n. m. • 1552; lat. conus, gr. kônos 1 ♦ Math. Surface réglée dont les génératrices passent par un point fixe, le sommet. Angle au sommet du cône (angle Ŝ du triangle) :intersection du cône avec le plan passant par l axe. Angle solide du… …   Encyclopédie Universelle

  • Cone — Cône Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

  • Cone — (k[=o]n?), n. [L. conus cone (in sense 1), Gr. kw^nos; akin to Skr. [,c]ana whetstone, L. cuneus wedge, and prob. to E. hone. See {Hone}, n.] 1. (Geom.) A solid of the form described by the revolution of a right angled triangle about one of the… …   The Collaborative International Dictionary of English

  • Coné — es un personaje de la tira cómica Condorito creada por Pepo. Apareció en la edición 22 de Condorito, en 1967. Es el sobrino de Condorito y vive como él en la ciudad ficticia de Pelotillehue. En una historieta revela que tiene 8 años recién… …   Wikipedia Español

  • cone — [ koun ] noun count * 1. ) an object with a circular base that rises to a point. Something in the shape of a cone is conical: a large building shaped like a cone a tower with a cone shaped roof 2. ) a cone shape that you put ice cream in and eat …   Usage of the words and phrases in modern English

  • CONE — CONE, U.S. commercial and philanthropic family. HERMAN CONE (1828–97), the father of 13 children, emigrated from Bavaria to the U.S. in 1845 and ultimately established a successful wholesale grocery business in Baltimore. His two eldest sons,… …   Encyclopedia of Judaism

  • Cone — ist der Name von: Personen: Fred P. Cone (1871–1948), amerikanischer Politiker Mac Cone (*1952), kanadischer Springreiter Schwestern Cone (1894–1929), Claribel und Eta Cone, amerikanische Gesellschaftsdamen und Kunstsammlerinnen Orten: Cone… …   Deutsch Wikipedia

  • cone — CONE. s. m. Terme de Mathématique. Pyramide ronde, corps solide, dont la base est un cercle, et qui se termine en pointe. Les pains de sucre sont faits en cône. f♛/b] On appelle Cône droit, Celui dont l axe est perpendiculaire à la base; et Cône… …   Dictionnaire de l'Académie Française 1798

  • Cone — (k[=o]n), v. t. To render cone shaped; to bevfl like whe circwlar segoent of a cone; as, to cone the tires of car wheels. [1913 Webster] …   The Collaborative International Dictionary of English


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