Associations to the word «Conchoid»

CONCHOID, noun. (mathematics) (geometry) 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).

CONCHOID, noun. (geology) A conchoidal fracture in rock.