ferromagnesian

[ fer-oh-mag-nee-zhuh n, -shuh n ]

/ ˌfɛr oʊ mægˈni ʒən, -ʃən /

adjective Mineralogy.

(of minerals and rocks) containing iron and magnesium.

Words nearby ferromagnesian

ferrocyanide, ferrocytochrome, ferroelectric, ferrokinetics, ferrol, ferromagnesian, ferromagnet, ferromagnetic, ferromagnetism, ferromanganese, ferromolybdenum

Origin of ferromagnesian

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ferromagnesian

Hornblende and biotite are the ferromagnesian constituents and vary much in relative importance.
Mount Rainier|Various
Biotite and all ferromagnesian minerals rarely appear in them, and never are in considerable amount.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2|Various

British Dictionary definitions for ferromagnesian

ferromagnesian

/ (ˌfɛrəʊmæɡˈniːʒən) /

adjective

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for ferromagnesian

ferromagnesian

[ fĕr′ō-măg-nē′zhən ]

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