a clock which is regulated by a quartz crystal

a class of crystal consisting of a lattice of ions held together by their electrostatic interaction; they exhibit strong absorption of infrared radiation and have planes along which they cleave easily

A material formed from by the growth of a crystal nucleus without secondary nucleation or impingement on other crystals; a regular three-dimensional structure extends throughout the material

(crystallography) A regular three-dimensional geometric arrangement of atoms, molecules or ions in a crystal

having definitive and fixed form, solidified. / being crystalline, in the form of crystals.

simple past tense and past participle of crystallize

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

(Britain) Alternative spelling of crystallization

(idiomatic) Completely clear and understood. / (idiomatic) Visually clear, a sharp image, high acuity.

A dye, derived from gentian violet, that is used as an acid-base indicator and as a biological stain.