| Word |
Meaning |
| ANNULUS |
A ringlike figure, part, structure, or marking, such as a growth
ring on the scale of a fish |
| ARC |
A segment of a circle |
| AXIS |
An unlimited line, half-line, or line segment serving to orient
a space or a geometric object, especially a line about which
the object is symmetric |
| DELTOID |
Triangular |
| GNOMON |
The geometric figure that remains after a parallelogram has
been removed from a similar but larger parallelogram with which
it shares a corner |
| LOCUS |
The set or configuration of all points whose coordinates satisfy
a single equation or one or more algebraic conditions |
| PARABOLA |
A plane curve formed by the intersection of a right circular
cone and a plane parallel to an element of the cone or by the
locus of points equidistant from a fixed line and a fixed point
not on the line |
| RADIX |
The base of a system of numbers, such as 2 in the binary system
and 10 in the decimal system |
| TORUS |
A toroid generated by a circle; a surface having the shape
of a doughnut |
| VECTOR |
A quantity, such as velocity, completely specified by a magnitude
and a direction |
