crystallite noun. ['krɪst(ǝ)lʌɪt] E19.
[from CRYSTAL noun & adjective + -ITE¹.]
1. Volcanic rock in a crystalline state after fusion and slow cooling. E-M19.

2. A minute body, lacking definite crystalline form, found in glassy volcanic rocks etc.; an incipient crystal. Formerly also = MICROLITE. L19.
b. An individual crystal or grain in a metal or other polycrystalline substance. E20.
c. A region within a volume of cellulose or other polymer with a degree of structural ordering as in a crystal. Also called micelle. E20.

■ crysta'llitic adjective (of the nature) of a crystallite; consisting of or containing crystallites: M19.

[TahlilGaran] English Dictionary ▲