A small crystal from which a larger crystal of the same substance is grown

An area mainly in the borough of Bromley, south-east Greater London, England, named after the "palace" that was erected there for The Great Exhibition of 1851 (OS grid ref TQ3471).

(pseudoscience) The supposed therapeutic effects of crystals.

(simile, of an object) Entirely transparent. / (simile, of a statement) Easily understandable.

plural of crystal set

(physics) A specific vector associated with the movement of electrons in a crystal lattice

clear, colourless form of the silica-based mineral quartz, often called "pure quartz" or "clear quartz".

plural of crystal lattice

plural of liquid crystal

A temperature-controlled chamber used to maintain the quartz crystal in electronic crystal oscillators at a constant temperature, in order to prevent changes in the frequency due to variations in ambient temperature.