English > curved shape: 1 sense > noun 1, shape| Meaning | The trace of a point whose direction of motion changes. |
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| Synonym | curve |
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| Narrower | Cupid's bow | The double curve of the upper lip when considered to resemble Cupid's bow |
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| S-shape | A double curve resembling the letter S |
| arc | A continuous portion of a circle |
| arch | A curved shape in the vertical plane that spans an opening |
| bell, bell shape, campana | The shape of a bell |
| bend, crook, twist, turn | A circular segment of a curve |
| bow, arc | Something curved in shape |
| catenary | The curve theoretically assumed by a perfectly flexible and inextensible cord of uniform density / density and cross section hanging freely from two fixed points |
| closed curve | A curve (such as a circle) having no endpoints |
| crescent | Any shape resembling the curved shape of the moon in its first or last quarters |
| envelope | A curve that is tangent to each of a family of curves |
| extrados | The exterior curve of an arch |
| gooseneck | Something in a thin curved form (like the neck of a goose) |
| helix, spiral | A curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle |
| hook, crotchet | A sharp curve or crook |
| intrados | The interior curve of an arch |
| lemniscate | Any of several plane algebraic curves in the shape of a figure eight |
| meander | A bend or curve, as in a stream or river |
| normal curve, bell-shaped curve, Gaussian curve, Gaussian shape | A symmetrical curve representing the normal distribution |
| perversion | A curve that reverses the direction of something |
| quadric, quadric surface | A curve or surface whose equation (in Cartesian coordinates) is of the second degree |
| roulette, line roulette | A line generated by a point on one figure rolling around a second figure |
| scallop, crenation, crenature, crenel, crenelle | 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.) |
| sinuosity, sinuousness | Having curves |
| spiral | A plane curve traced by a point circling about the center but at increasing distances from the center |
| wave, undulation | An undulating curve |
| Broader | line | A length (straight or curved) without breadth or thickness |
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| Opposite | straight line | A line traced by a point traveling in a constant direction |
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| Spanish | curva |
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| Catalan | corba |
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