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'Cone' (from the Greek ''κώνος'', Latin ''conu'') is a basic geometrical shape. It may also refer to:

★ Cone (software), a text-based e-mail client and news client for Unix-like operating systems.

★ Volcanic cone, a mountain formed by material ejected from a volcanic vent

★ Conifer cone, a seed-bearing organ on conifer plants

★ Cone cell, in anatomy, a type of light-sensitive cell found along with rods in the retina of the eye

★ Pyrometric cone, in ceramic manufacture, a contolled mixture of minerals used to gauge the extent of firing

★ Ice cream cone, an edible container in which ice cream is served, shaped like an inverted cone open at its top

★ Cone is a colloquial Australian term for cannabis, most commonly a bong load or 'bowl' of cannabis.

★ Traffic cone, a brightly colored cone-shaped plastic object commonly used as a temporary traffic barrier or warning sign

★ Cone, the name given to an optical fibre that tapers almost to a point

★ Cone, a part of a loudspeaker that moves the air, creating sound waves

★ Cone snails, carnivorous molluscs of the family ''Conidae'', colloquially called "cones".

★ Elizabethan collars, cone-shaped collars worn by pets

★ A person acting stupid. The reference is in relation to a dunce cap or being as smart as a traffic cone.
In '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.
A right circular cone.

★ Cone (geometry), the basic shape

★ The Cone (topology) of an arbitrary set ''X'' means the union of all line segments connecting a fixed point to points of ''X''. For example, this coning operation will turn a triangle into a tetrahedron. The cone over an ''n''-simplex is an (''n''+1)-simplex.

★ The ''mapping cone'' of a map of chain complexes. (See mapping cone (homological algebra)).

★ Projective cone, a similar (but more general) concept in projective geometry

★ Conical surface, generated by a moving line with one fixed point

★ Conic section, any curve obtained by cutting a conical surface by an arbitrary plane

★ Mapping cone of a continuous map of topological spaces

★ Mapping cone (homological algebra) of a continuous map of chain complexes

★ Cone (linear algebra), in linear algebra, a subset of vector space closed under positive scaling

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★ Convex cone, a cone that is closed under convex combinations

★ Cone graph, in graph theory, a graph with a universal vertex

★ Central projection, also called "conical projection", in geometry; see also perspective projection

★ In cartography, however, a conic (or conical) projection maps the spherical surface of the Earth to a conical surface, that is then unrolled onto a plane; see map projection

★ Cone (category theory), a family of morphisms resembling a geometric cone.

★ A ''cone'' is an abstract family of languages that contains those formal languages having a regular grammar.
'People'

★ Cone, the nickname of Jason McCaslin, bassist for the Canadian band Sum 41

★ Fairfax M. Cone, an American advertising executive

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See also

See also

★ KONE