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Webster 1913 Edition


Quadratrix

Quad-ra′trix

,
Noun.
;
pl.
-trixes
(#)
, or
-trices
(#)
.
[NL.]
(Geom.)
A curve made use of in the quadrature of other curves;
as the
quadratrix
, of Dinostratus, or of Tschirnhausen
.

Webster 1828 Edition


Quadratrix

QUAD'RATRIX

, n.
1.
A square or squared figure.
2.
In geometry, a mechanical line by means of which we can find right lines equal to the circumference of circles or other curves and their several parts.