(of minerals such as biotite) containing a high proportion of iron and magnesium
ferromagnesian in American English
(ˌfɛroʊmægˈniʃən; ˌfɛroʊmægˈniʒən)
adjective
Mineralogy
containing iron and magnesium
ferromagnesian in American English
(ˌferoumæɡˈniʒən, -ʃən)
adjective
Mineralogy(of minerals and rocks)
containing iron and magnesium
Word origin
[1900–05; ferro- + magnesian]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: cathode-ray tube, clone, geopolitics, hookup, throwawayferro- is a combining form with the meaning “iron,” used in the formation of compound words.Other words that use the affix ferro- include: ferroalloy, ferrocement, ferrocyanide, ferrotungsten, ferrotype