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

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

- 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

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