curved shape

Noun
  1. The trace of a point whose direction of motion changes (synset 113890262)
    is a type of: line - a length (straight or curved) without breadth or thickness; the trace of a moving point
    subtypes:
    • bell-shaped curve, gaussian curve, gaussian shape, normal curve - a symmetrical curve representing the normal distribution
    • meander - a bend or curve, as in a stream or river
    • closed curve - a curve (such as a circle) having no endpoints
    • s-shape - a double curve resembling the letter S
    • catenary - the curve theoretically assumed by a perfectly flexible and inextensible cord of uniform density and cross section hanging freely from two fixed points
    • cupid's bow - the double curve of the upper lip when considered to resemble Cupid's bow
    • undulation, wave - an undulating curve
    • extrados - the exterior curve of an arch
    • gooseneck - something in a thin curved form (like the neck of a goose)
    • intrados - the interior curve of an arch
    • bend, crook, turn, twist - a circular segment of a curve
    • crotchet, hook - a sharp curve or crook; a shape resembling a hook
    • envelope - a curve that is tangent to each of a family of curves
    • arc - a continuous portion of a circle
    • crenation, crenature, crenel, crenelle, scallop - one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
    • spiral - a plane curve traced by a point circling about the center but at increasing distances from the center
    • helix, spiral - a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
    • perversion - a curve that reverses the direction of something
    • sinuosity, sinuousness - having curves
    • arch - a curved shape in the vertical plane that spans an opening
    • bell, bell shape, campana - the shape of a bell
    • arc, bow - something curved in shape
    • crescent - any shape resembling the curved shape of the moon in its first or last quarters
    • quadric, quadric surface - a curve or surface whose equation (in Cartesian coordinates) is of the second degree
    • lemniscate - any of several plane algebraic curves in the shape of a figure eight
    • line roulette, roulette - a line generated by a point on one figure rolling around a second figure
    same as: curve

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