en.wikipedia.org/wiki/Cone_cell

**Cone** cells, or **cones**, are one of three types of photoreceptor cells in the retina of
mammalian eyes (e.g. the human eye). They are responsible for color vision ...

en.wikipedia.org/wiki/Cone

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

www.amazon.com/Champion-Sports-Visibility-Fluorescent-Plastic/dp/B000TVK3U2

Create an obstacle course, mark boundaries, or practice agility with the Hi-
Visibility fluorescent poly **Cone** set. These Hi-Visibility fluorescent poly **cones** are
a ...

mathworld.wolfram.com/Cone.html

In general, a **cone** is a pyramid with a circular cross section. A right **cone** is a
**cone** with its vertex above the center of its base. However, when used without ...

www.dictionary.com/browse/cone

**Cone** definition, a solid whose surface is generated by a line passing through a
fixed point and a fixed plane curve not containing the point, consisting of two ...

hyperphysics.phy-astr.gsu.edu/hbase/vision/rodcone.html

The retina contains two types of photoreceptors, rods and **cones**. The rods are
more numerous, some 120 million, and are more sensitive than the **cones**.

www.cis.rit.edu/people/faculty/montag/vandplite/pages/chap_9/ch9p1.html

Rods & **Cones**. There are two types of photoreceptors in the human retina, rods
and **cones**. Rods are responsible for vision at low light levels (scotopic vision).

www.khanacademy.org/math/basic-geo/basic-geo-volume-sa/volume-cones/v/volume-cone-example

The formula for the volume of a **cone** is V=1/3hπr². Learn how to use this formula
to solve an example problem.

www.urbandictionary.com/define.php?term=cone

Metallic **cone** shaped item in a bong or pipe that the weed is burnt in. Another
word for a 'bowl'. Really means '**cone** piece' or CP(abrev.) 2. Pro...