noun
face-centered cubic lattice
Technical term in crystallography and geology; refers to a cubic crystal structure with atoms at each corner and the center of every face.
銅の結晶構造は面心立方格子である。
The crystal structure of copper is a face-centered cubic lattice.
Compound of 面 (face) + 心 (center) + 立方 (cube) + 格子 (lattice), directly describing the structure.