T1E1P3H4R1I1T1I1C3
16 points
TEPHRITIC is validvalid
pertaining to tephrite
of or like tephrite, an igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both
pertaining to tephrite
of or like tephrite, an igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both