semicrystalline

[ sem-ee-kris-tl-in, -ahyn, sem-ahy- ]
/ ˌsɛm iˈkrɪs tl ɪn, -ˌaɪn, ˌsɛm aɪ- /

adjective

partly or imperfectly crystalline.

Origin of semicrystalline

First recorded in 1810–20; semi- + crystalline