# strophoid

[strof-oid, stroh-foid]

### noun Geometry.

a plane curve generated by the loci of points p and pprime; on a straight line that intersects the y-axis at a point n and the minus x-axis at a fixed point q, such that pn = npprime; = on, as on changes, where o is the origin. Equation: y2 = x2(x+a)/(a−x).

## Origin of strophoid

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## strophoid

[strō′foid′]

The American Heritage® Science Dictionary
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