| 释义 |
magnesium carbonate
noun
: a carbonate of magnesium: as
a. : the very white crystalline normal salt MgCO3 that occurs naturally as magnesite and also in the form of dolomite, is prepared artificially by precipitation usually as the trihydrate MgCO3.3H2O, and is used chiefly in paint and printing ink, as a filler (as in paper and rubber), as an addition to table salt to prevent caking, and in medicine and pharmacy
b. : a crystalline hydrated basic salt obtained by precipitation (as by heating a solution or suspension of the trihydrate) and used in thermal insulation and for many of the same purposes as normal salt |