Also found in: Thesaurus, Encyclopedia, Wikipedia.
ap·lite(ăp′līt′) also hap·lite (hăp′līt′)
A fine-grained, light-colored granitic rock consisting primarily of orthoclase and quartz.
[German Aplit, from Greek haplous, single; see haploid.]
ap·lit′ic (ă-plĭt′ĭk) adj.
(Geological Science) a light-coloured fine-grained acid igneous rock with a sugary texture, consisting of quartz and feldspars
[C19: from German Aplit, from Greek haploos simple + -ite1]
aplitic, hapˈlitic adj
a fine-grained granite composed essentially of feldspar and quartz.
ap•lit′ic (-ˈlɪt ɪk) adj.