Hydromagnesite

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hydromagnesite \Hy`dro*mag"ne*site\
     (h[imac]`dr[-o]*m[a^]g"n[-e]*s[imac]t), n. [Hydro-, 1 +
     magnesite.] (Min.)
     A hydrous carbonate of magnesia occurring in white, earthy,
     amorphous masses.
     [1913 Webster]