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Webster 1913 Edition

Hydromagnesite

Hyˊdro-mag′ne-site

(hīˊdrō̍-măg′nē̍-sīt)

,

Noun.

[

Hydro-

, 1 +

magnesite

.]

(Min.)

A hydrous carbonate of magnesia occurring in white, earthy, amorphous masses.

Definition 2024

hydromagnesite

hydromagnesite

English

Noun

hydromagnesite ‎(plural hydromagnesites)

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