noun, noun which may take the genitive case particle 'no'
quasicrystal; paracrystal
Technical term in crystallography and materials science for a structure that is ordered but not periodic. 準結晶 is the standard Japanese term; paracrystal is a less common synonym.
Quasicrystals have symmetries different from ordinary crystals.
This alloy exhibits a quasicrystalline structure.