ferrous

[ fer-uhs ]

adjective

, Chemistry.

1. of or containing iron, especially in the bivalent state.

ferrous

/ ˈfɛrəs /

adjective

1. of or containing iron in the divalent state; designating an iron (II) compound

ferrous

/ fĕr′əs /

1. Containing iron, especially iron with a valence of 2.
2. Compare ferric

Other Words From

• pre·ferrous adjective

Word History and Origins

Origin of ferrous¹

1860–65; < Latin ferr ( um ) iron + -ous

Word History and Origins

Origin of ferrous¹

C19: from ferri- + -ous

Example Sentences

Existing evidence suggests supplements are a more effective way to replenish iron stores than dietary changes alone and ferrous sulfate is the most effective iron supplement for young children.

From Salon

Profits dived for 28 of 41 major industrial sectors during the period, with the ferrous metal smelting and rolling processing industry reporting the deepest slump at 90.5%.

From Reuters

That led Magee and his colleagues to identify it as a chondrite, a meteorite made mostly of rock, in contrast to the iron and nickel composition of so-called iron or “ferrous” meteorites.

From Scientific American

Conversely, Earth’s ferrous nucleus may have a metamorphosing surface, twisting any seismic waves that pierce it.

From New York Times

Iron ore prices have come under increased pressure in recent months due to persistent demand worries from top steel producer China, with the country's zero-COVID policy curtailing economic activity and weighing on ferrous markets.

From Reuters

Related Words

• rigid
• steely