Molten rock in the earth's crust.

Roget 41: mixture, admixture, commixture, commixtion^†; commixion^†, intermixture, alloyage^†, matrimony; junction etc. 43; combination etc. 48; miscegenation.    impregnation; infusion, diffusion suffusion, transfusion; infiltration; seasoning, sprinkling, interlarding; interpolation; etc. 228 adulteration, sophistication.    [Thing mixed] tinge, tincture, touch, dash, smack, sprinkling, spice, seasoning, infusion, soupcon.    [Compound resulting from mixture] alloy, amalgam; brass, chowchow^†, pewter; magma, half-and-half, melange, tertium quid [Lat.], miscellany, ambigu^†, medley, mess, hotchpot^†, pasticcio^†, patchwork, odds and ends, all sorts; jumble etc. (disorder) 59; salad, sauce, mash, omnium gatherum [Lat.], gallimaufry, olla-podrida^†, olio, salmagundi, potpourri, Noah's ark, caldron texture, mingled yarn; mosaic etc. (variegation) 440.    half-blood, half-caste.    mulatto; terceron^†, quarteron^†, quinteron^† &c.; quadroon, octoroon; griffo^†, zambo^†; cafuzo^†; Eurasian; fustee^†, fustie^†; griffe, ladino^†, marabou, mestee^†, mestizo, quintroon, sacatra zebrule [Lat.]; catalo^†; cross, hybrid, mongrel.    ... show more

Dutch: magma
Polish: magma