A curve whose equation in polar coordinates is r = aθ, where a ( > 0) is a constant. In the figure, |OA| = aπ, |OB| =2aπ, and so |OB| = 2|OA|. Compare equiangular spiral.
http://www.mathematische-basteleien.de/spiral.htm An animation showing the Archimedean spiral.
Archimedean spiral
- scorpionate
- scorpions
- Scorpius
- Scorpius X-1
- Scorpius–Centaurus Association
- Scotch mount
- Scotia Plate
- Scotism
- Scotland
- Scotland Yard
- scotopic vision
- Scots
- Scott consequence relation
- Scott, David Randolph (1932– )
- Scottish Martyrs
- Scottish National Party
- Scottsboro case (1931)
- Scott, Sir Robert Falcon (1868–1912)
- Scott, Winston Elliott (1950– )
- Scott–Ershov domain
- Scott’s axiom
- Scott’s test
- scour
- scour and fill
- Scourian