Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
acnodal | relating to an acnode, an isolated point not upon a curve. |
acnode | an isolated point not upon a curve, but whose coordinates satisfy the equation of the curve so that it is considered as belonging to the curve. |
anticlastic | of a surface, having a curvature, at a given point and in a particular direction, that is of the opposite sign to the curvature at that point in a perpendicular direction. |
asymptote | a line (usually straight) that continually approaches a curve but never meets it. |
axoid | a curve generated by the revolution of a point round an advancing axis. |
brachistochrone | the curve along which a particle acted on by a force (eg gravity) will pass in the shortest time from one given point to another. |
cardioid | heart-shaped; (noun) a heart-shaped curve traced by a fixed point on the circumference of a circle rolling around another circle of equal radius. |
catacaustic | relating to or denoting a caustic curve or caustic surface formed by reflection; (noun) a catacaustic curve or surface. |
catenary | a curve of the kind formed by a uniform chain hanging freely from two points not in the same vertical line. |
centrode | a locus traced out by the successive positions of an instantaneous centre of pure rotation. |
cissoid | a type of mathematical curve. |
conchoid | a type of plane curve. |
cycloid | a curve traced by a point on the circumference of a circle which rolls along a straight line. |
cycloidal | of or like a cycloid, a curve traced by a point on the circumference of a circle which rolls along a straight line. |
cycloidally | (Adv.) CYCLOIDAL, of or like a cycloid. |
diacaustic | a type of curve formed by refraction. |
epicycloid | a curve traced by a point in the circumference of a circle which rolls on the convex side of a fixed circle. |
epicycloidal | of or like an epicycloid. |
epitrochoid | a curve like an epicycloid but generated by any point on a radius. |
evolvent | evolving; (noun) an involute curve. |
harmonogram | a curve drawn by a harmonograph. |
harmonograph | an instrument for drawing curves representing vibrations. |
helicoid | a flattened spiral; a curve generated when a curve is twisted around an axis and advanced along the axis at a rate having a constant ratio. |
helicoidal | relating to a helicoid, a flattened spiral. |
helicoidally | (Adv.) HELICOIDAL, relating to a helicoid, a flattened spiral. |
hodograph | a curve of which the radius vector represents the velocity of a moving particle. |
hodographic | relating to a hodograph. |
hyperbola | a mathematical curve. |
hyperbolic | relating to a kind of mathematical curve. |
hyperbolical | relating to a kind of mathematical curve. |
hyperbolically | (Adv.) HYPERBOLICAL, relating to a kind of mathematical curve. |
hypocycloid | a curve generated by a point on the circumference of a circle which rolls on the inside of another circle. |
hypocycloidal | of or like a hypocycloid. |
hypotrochoid | the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle. |
isochor | a curve representing the variation of some quantity under conditions of constant volume. |
isochore | a curve representing variation of some quantity under conditions of constant volume. |
isochoric | of or like an isochor, a curve representing variation of some quantity under conditions of constant volume. |
kurtosis | the relative degree of sharpness of peak of a distribution curve. |
leptokurtic | in statistics, referring to a distribution showing a particular type of kurtosis. |
limacon | (Fr.) a type of mathematical curve. |
liquidus | (Lat.) a curve plotted on a graph showing how temperature affects the composition of a melting or solidifying mixture. |
parabola | (Greek) a type of curve, one of the conic sections. |
parabolic | of or like a parabola. |
parabolical | of or like a parabola. |
parabolically | (Adv.) PARABOLICAL, of or like a parabola. |
platykurtic | in statistics, referring to a distribution showing a particular type of kurtosis. |
quadratrix | a curve by which a circle may be squared. |
quadric | of or pertaining to the second degree; (noun) a quadric curve. |
secant | cutting (noun) a cutting line |
secantly | (Adv.) SECANT, cutting. |
sinusoid | a curve having the form of a sine wave. |
sinusoidal | of or pertaining to a sinusoid. |
sinusoidally | (Adv.) SINUSOIDAL, of or pertaining to a sinusoid. |
spinode | a cusp or stationary point of a curve. |
spiric | like a tore or anchor-ring; (noun) a curve, the plane section of a tore. |
strophoid | a type of curve on a graph. |
tacnode | a point of contact between two curves. |
trajectory | the curve that a body (as a planet or comet in its orbit or a rocket) describes in space. |
trisectrix | a certain curve of a polar equation. |
trochoid | a curve traced by a fixed point in plane of a circle. |
trochoidal | of or pertaining to a trochoid. |
trochoidally | (Adv.) TROCHOIDAL, of or pertaining to a trochoid. |