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ferruginous
[ fuh-roo-juh-nuhs ]
adjective
- Geology. iron-bearing:
ferruginous clays.
- of the color of iron rust.
ferruginous
/ fɛˈruːdʒɪnəs /
adjective
- (of minerals, rocks, etc) containing iron
a ferruginous clay
- rust-coloured
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Word History and Origins
Origin of ferruginous1
1655–65; < Latin ferrūginus rust-colored, derivative of ferrūgin-, stem of ferrūgō iron-rust, derivative of ferrum iron; -ous
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Word History and Origins
Origin of ferruginous1
C17: from Latin ferrūgineus of a rusty colour, from ferrūgō iron rust, from ferrum iron
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Example Sentences
A concretion of rounded quartz pebbles, cemented by ferruginous matter, apparently of recent formation.
From Project Gutenberg
Ferruginous masses, probably consisting of brown hematite, come also from this island.
From Project Gutenberg
He taught him how to clean letterpress and engravings from ferruginous, fungous, and other kinds of spots.
From Project Gutenberg
The boulders were all weathered a bright red and were much pitted where ferruginous minerals were leached out.
From Project Gutenberg
From nose to tail it measures about eighteen inches, and its general colour is a pale ferruginous brown, mixed with gray.
From Project Gutenberg
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