Cone 5304 224870770 2008-07-10T19:53:02Z WriterHound 266293 copyedit {{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]]