Quaternary compound

二元化合物（例如砷化镓）和三元化合物（例如砷化铟镓（英语：Indium gallium arsenide））甚至四元化合物（英语：Quaternary compound）（例如磷化鋁鎵銦（英语：Aluminium gallium indium phosphide）AlInGaP合金）。 氮化镓 砷化镓

（页面存档备份，存于互联网档案馆） – quaternise: to convert (as an amine) into a quaternary compound Lanolin.com – Comprehensive view on history, manufacturing and applications

Zhao, Z. X. Superconductivity at 52 K in iron based F doped layered quaternary compound Pr[O1–xFx]FeAs. Materials Research Innovations. 2008, 12 (3): 105

biped, triped, quadruped, centipede, millipede unary, binary, trinary, quaternary, quinary, senary, … vicenary … centenary … denarian, vicenarian, tricenarian

化合物（碲化鎘CdTe、砷化鎵）、三元化合物銅銦硒化物（Copper Indium Selenide CIS）、四元化合物（英语：Quaternary compound）銅銦鎵硒化物（Copper Indium Gallium Selenide CIGS）。