# conics

[kon-iks]

- the branch of geometry that deals with conic sections.

## Origin of conics^{}

# conic

[kon-ik]

- Also con·i·cal. having the form of, resembling, or pertaining to a cone.

- Geometry. conic section.

## Origin of conic^{}

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for conics

### Historical Examples

#### These had already been proved in earlier treatises, which Archimedes refers to as the “Elements of Conics”.

ArchimedesThomas Little Heath

#### Each of the other theorems about conics may be stated for cones of the second order.

#### Astronomy was also enriched by his investigations, and he was led to several remarkable theorems on conics which bear his name.

#### Two conics which have four common tangents have always one and only one common polar-triangle.

#### Similarly, all conics touching four fixed lines form a system such that any fifth tangent determines one and only one conic.

# conics

- (functioning as singular) the branch of geometry concerned with the parabola, ellipse, and hyperbola

# conic

- having the shape of a cone
- of or relating to a cone

- another name for conic section

See also conics

## Word Origin

C16: from New Latin, from Greek kōnikos, from kōnos cone

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for conics

# conic

### adj.

1560s, "pertaining to a cone," from Latin conicus, from Greek konikos "cone-shaped," from konos (see cone).

Online Etymology Dictionary, © 2010 Douglas Harper