Archimedes' spiral

Archimedes' spiral

[¦är·kə¦mēd′ēz ′spī·rəl]
(mathematics)
References in periodicals archive ?
The garden's most dramatic feature is what Pietras-Dominski calls a "double Archimedes' spiral," with two paths that swirl around a rock border accented with ornamental alliums.
It is carved with 10 grooves arranged in a formation known as Archimedes' spirals which give the appearance of a whirlpool or vortex with a hole in the centre.