One who collects shells, especially for the purpose of scientific study.

plural of conchologist

Alternative spelling of conchy

(biochemistry) Any of a group of proteins which, together with polysaccharides and calcium carbonate, make up the shells of molluscs.

(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).

plural of conchy

(anatomy) Pertaining to the concha, or external ear.

quinidine

The measurement of shells or their curves.

Composed of shells; containing many shells.