ALUMINOSILICATE Meaning of ALUMINOSILICATE in English [ əˌlu:mɪnə(ʊ)'sɪlɪkeɪt ]■ noun Chemistry a silicate in which aluminium replaces some of the silicon, especially as a constituent of minerals such as feldspar. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004