What does "aluminosilicate" mean?

Any of many silicate minerals, such as feldspar and zeolite, in which a proportion of the Si⁴⁺ ions are replaced by Al³⁺, the excess negative charge being balanced by extra sodium, potassium or calcium ions.

What is a synonym for "aluminosilicate"?

Common synonyms include: silicoaluminate.

Aluminosilicate

noun

noun ·7 syllables ·Rare ·Advanced level

Definitions

Noun

1
Any of many silicate minerals, such as feldspar and zeolite, in which a proportion of the Si⁴⁺ ions are replaced by Al³⁺, the excess negative charge being balanced by extra sodium, potassium or calcium ions.

Synonyms

All synonyms

silicoaluminate

Etymology

From alumino- + silicate.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.