ebakorrapärase kujuga kristallid struktuuris, mis pole piiratud harjumuslike tasanditega (vrd kristall, tera)
Hea teada
Polükristallilises struktuuris moodustunud väga väikesed ebakorrapärased kristallid.
a crystalline grain not bounded by habit planes (compare: crystal, grain)
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In polycrystals, an individual crystal of an irregular shape determined by the nucleation and growth conditions. It can also be referred to as grain. (see: grain)
