noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A hydrated magnesium carbonate mineral with the chemical formula Mg₅(CO₃)₄(OH)₂.4H₂O, used as a fire retardant.

Etymology

From hydro- + magnesite.

Related phrases

chemical formulafire retardantmagnesium carbonate

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