Cissoid is valid Scrabble Word

Is cissoid a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is cissoid valid Words with Friends?
Words with Friends YES

7 letters word
10 points in Scrabble
11 points in WWF

Definitions for CISSOID in dictionary:

NOUN [GEOMETRY.]:

a curve having a cusp at the origin and a point of inflection at infinity. Equation: r = 2a sin(Î¸)tan(Î¸).
a curve having a cusp at the origin and a point of inflection at infinity. Equation: r = 2a sin(θ)tan(θ).

NOUN:

a type of geometric curve
A curve invented by Diocles, for the purpose of solving two celebrated problems of the higher geometry; viz., to trisect a plane angle, and to construct two geometrical means between two given straight lines.
type of geometric curve

OTHER DEFINITIONS:

geometric curve whose two branches meet in a cusp at the origin and are asymptotic to a line parallel to the y-axis

Words related to CISSOID

cissoids11

Words that contain CISSOID

cissoids11

Find what other words can be done using letters: "cissoid"
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