ˈ ̷ ̷ (ˌ) ̷ ̷ ˌ ̷ ̷ ̷ ̷ noun
Etymology: quasi (II) + crystal (I)
: a body of solid material that resembles a crystal in being composed of repeating structural units but that incorporates two or more unit cells into a quasiperiodic structure
• quasicrystalline adjective