ferromagnesian

[ fer-oh-mag-nee-zhuh n, -shuh n ]
/ ˌfɛr oʊ mægˈni ʒən, -ʃən /

adjective Mineralogy.

(of minerals and rocks) containing iron and magnesium.

Origin of ferromagnesian

First recorded in 1900–05; ferro- + magnesi(um) + -an

Example sentences from the Web for ferromagnesian

British Dictionary definitions for ferromagnesian

ferromagnesian
/ (ˌfɛrəʊmæɡˈniːʒən) /

adjective

(of minerals such as biotite) containing a high proportion of iron and magnesium

Scientific definitions for ferromagnesian

ferromagnesian
[ fĕr′ō-măg-nēzhən ]

Containing iron and magnesium. Magnetite and hornblende are ferromagnesian minerals.