PLAGIOCLASE


Meaning of PLAGIOCLASE in English

[pla.gio.clase] n [Gk plagios oblique + klasis breaking, fr. klan to break--more at clast] (ca. 1868): a triclinic feldspar; esp: one having calcium or sodium in its composition

Merriam-Webster English vocab.      Английский словарь Merriam Webster.