noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A hydrated magnesium silicate, clay mineral used for carving into decorative articles and smoking pipes. countable, uncountable
2. 2
   a white clayey mineral wordnet

Synonyms

All synonyms

meerschaummeerschaum

Etymology

From Latin sepia (“cuttlefish”) + -lite, from its resemblance to cuttlebone.

Related phrases

magnesium silicate

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