feldspathoid

feld spath oid |fel (d )ˈspaTHˌoid ˌfɛlzˈpæθɔɪd | ▶noun Geology any of a group of minerals chemically similar to feldspar but containing less silica, such as nepheline and leucite. DERIVATIVES feld spath oid al |ˌfel (d )spaTHˈoidl |adjective

feldspathoid

feldspathoid |ˈfɛl (d )spəˌθɔɪd | ▶noun Geology any of a group of minerals chemically similar to feldspar but containing less silica, such as nepheline and leucite. DERIVATIVES feldspathoidal |-ˈθɔɪd (ə )l |adjective