ALL meanings of anorthosite
an·or·tho·site
A a - noun anorthosite a coarse-grained plutonic igneous rock consisting almost entirely of plagioclase feldspar 3
- noun anorthosite a type of gabbro, usually light-colored, made up almost entirely of plagioclase feldspars, esp. labradorite 3
- noun anorthosite (geology) A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar. 1
- noun anorthosite a granular plutonic rock composed largely of labradorite or a more calcic feldspar. 1
- noun anorthosite (petrology) A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar. 0