<span class="searchmatch">Orthoklas</span> m (strong, genitive Orthoklases, no plural) (mineralogy) orthoclase Declension of <span class="searchmatch">Orthoklas</span> [sg-only, masculine, strong] 1Now rare, see notes...
Czech: ortoklas m Dutch: orthoklaas (nl) Finnish: ortoklaasi German: <span class="searchmatch">Orthoklas</span> m Hebrew: אורתוקלז (ōrtōqlaz) Irish: ortaclás m Japanese: 正長石 (せいちょうせき...