## CONE

### Cone

A**cone**is a three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex.

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### C-One

The**C-One**is a single-board computer created in 2002 as an enhanced version of the Commodore 64, a home computer popular in the 1980s. Designed by Jeri Ellsworth, a self-taught designer, and Jens SchÃ¶nfeld from Individual Computers, who manufactured the boards themselves, the C-One has been re-engineered to allow cloning of other 8-bit computers.

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### cone

#### Noun

- A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.
- A solid of revolution formed by rotating a triangle around one of its altitudes.
- A space formed by taking the direct product of a given space with a closed interval and identifying all of one end to a point.
- Anything shaped like a cone.
- The fruit of a conifer.<ref name="Illustr. Oxford 1998"/>
- An ice cream cone.<ref name="Illustr. Oxford 1998"/>
- A unit of volume, applied solely to marijuana and only while it is in a smokable state; roughly 1.5 cubic centimetres, depending on use.
- Any of the small cone-shaped structures in the retina.<ref name="Illustr. Oxford 1998"/>
- The bowl piece on a bong.
- The process of smoking cannabis in a bong.
- A cone-shaped cannabis joint.
- A passenger on a cruise ship (so-called by employees after traffic cones, from the need to navigate around them)
- Given a diagram
*F*:*J*→*C*, a*cone*consists of an object*N*of*C*, together with a family of morphisms ψ_{X}:*N*→*F*(*X*) indexed by all of the objects of*J*, such that for every morphism*f*:*X*→*Y*in*J*, <math> F(f) \circ \psi_X = \psi_Y </math>. Then*N*is the*vertex*of the*cone*, whose*sides*are all the ψ_{X}indexed by Ob(*J*) and whose*base*is*F*. The*cone*is said to be "from*N*to*F*" and can be denoted as (*N*, ψ). - A shell of the genus
*Conus*, having a conical form.

#### Verb

- To fashion into the shape of a
*cone*.

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