ALL meanings of feldspathoid
feld·spath·oid
F f - adjective feldspathoid Also, feldspathoidal. of or relating to a group of minerals similar in chemical composition to certain feldspars except for a lower silica content. 1
- noun feldspathoid a mineral of this group, as nepheline. 1
- noun feldspathoid Any of a group of minerals chemically similar to feldspar but containing less silica, such as nepheline and leucite. 1
- noun feldspathoid any of a group of rock-forming minerals, such as leucite and sodalite, that are similar to feldspars but contain less silica 0