(analytical chemistry) A technique in which the patterns formed by the diffraction of X-rays on passing through a crystalline substance yield information on the lattice structure of the crystal, and the molecular structure of the substance.

The experimental science of determining the arrangement of atoms in solids. / The study of crystals.

Of, relating to, or composed of crystals. / (chemistry) Having a regular three-dimensional molecular structure. / Resembling crystal in being clear and transparent. / Pure.

(obsolete) Any crystalline substance. / (obsolete) aniline

Non-Oxford British English standard spelling of water of crystallization.

(Britain) Alternative spelling of crystallization

That can be crystallized.

Non-Oxford British English spelling of crystallize

A small region of a solid that consists of a single crystal; a grain.

(uncountable) The condition of being crystalline / (countable) The degree to which a material (e.g. a polymer or a rock) is crystalline