Cone
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{{Wiktionarypar|cone}}
[[Image:PovCone.jpg|90px|right]]
A '''cone''' (from the Greek ''κῶνος'', Latin ''conu'') is a basic geometrical shape; see [[cone (geometry)]].
'''Cone''' may also refer to:
*[[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
*[[Cone snail]], a carnivorous [[mollusc]]s of the family ''Conidae''
*[[Elizabethan collar]], a cone-shaped collar worn by pets
*[[Ice cream cone]], an edible container in which ice cream is served, shaped like an inverted cone open at its top
*[[Pyrometric cone]], in ceramic manufacture, a contolled mixture of minerals used to gauge the extent of firing
*[[Traffic cone]], a brightly colored cone-shaped plastic object commonly used as a temporary traffic barrier or warning sign
*[[Skid cone]], a cone like object place before a log in forrestry
*[[Volcanic cone]], a mountain formed by material ejected from a volcanic vent
*A type of [[optical fiber]] that tapers almost to a point
*The part of a [[loudspeaker]] that moves the air, creating sound waves constantly
*A colloquial Australian term for [[cannabis]], most commonly a [[bong]] load or '[[Bowl (smoking)|bowl]]' of cannabis
*In cartography, a type of projection; see [[map projection]]
As a '''proper name''':
* [[Cone (software)]], a text-based e-mail and news client for Unix-like operating systems
* [[David Cone]], retired baseball pitcher
* [[Fairfax M. Cone]], an American advertising executive
* [[Jason McCaslin]], nicknamed Cone, bassist for the Canadian band Sum 41
In '''mathematics''':
*[[Cone (geometry)]], a basic solid shape
*[[Cone (category theory)]], a family of morphisms resembling a geometric cone
*[[Cone (formal languages)]], an abstract family of languages that contains the languages with a regular grammar
*[[Cone (linear algebra)]], a subset of vector space closed under positive scaling
*[[Cone (topology)]] of a set ''X'', namely the union of all line segments connecting a fixed point to points of ''X''
*[[Cone graph]], in graph theory, a graph with a universal vertex
*[[Conic section]], any curve obtained by cutting a conical surface by an arbitrary plane
*[[Conical surface]], generated by a moving line with one fixed point
*[[Convex cone]], a special case of the above that is closed under convex combinations
*[[Mapping cone (homological algebra)]] of a map of chain complexes
*[[Projective cone]], a similar (but more general) concept in projective geometry
*Conical projection, either a [[central projection]] or a [[perspective projection]]
== See also ==
* [[KONE]]
{{disambig}}
[[ca:Con (desambiguació)]]
[[de:Kegel]]
[[es:Cono]]
[[fr:Cône]]
[[is:Keila]]
[[it:Cono]]
[[nl:Kegel]]
[[pl:Stożek]]
[[pt:Cone (desambiguação)]]
[[uk:konus]]