curved shape vs conchoid

conchoid vs curved shape

curved shape and conchoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
curved shape	Yes	No	No	No
conchoid	Yes	No	No	No

As nouns, conchoid is a hyponym of curved shape; that is, conchoid is a word with a more specific, narrower meaning than curved shape:

curved shape: the trace of a point whose direction of motion changes
conchoid: Any of a family of curves defined as the locus of points p, such that each p is on a line that passes through a given fixed point P and intersects a given curve, C, and the distance from p to the point of intersection with C is a specified constant (note that for nontrivial cases two such points p satisfy the criteria, and the resultant curve has two parts).

Other hyponyms of curved shape include bell-shaped curve, Gaussian curve, Gaussian shape, normal curve, meander, closed curve, S-shape, catenary, Cupid's bow, undulation, wave, extrados, gooseneck, intrados, bend, crook, turn, twist, crotchet, hook, envelope, arc, crenation, crenature, crenel, crenelle, scallop, spiral, helix, spiral, perversion, sinuosity, sinuousness, arch, bell, bell shape, campana, arc, bow, crescent, quadric, quadric surface, lemniscate, line roulette, roulette, pedal curve, indifference curve, demand curve, polygonal chain, brachistochrone, supply curve, cosine curve, cotangent curve, tangent curve.

curved shape (noun)	conchoid (noun)
the trace of a point whose direction of motion changes	Any of a family of curves defined as the locus of points p, such that each p is on a line that passes through a given fixed point P and intersects a given curve, C, and the distance from p to the point of intersection with C is a specified constant (note that for nontrivial cases two such points p satisfy the criteria, and the resultant curve has two parts).

Difference between curved shape and conchoid

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