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Definition of "ferruginous" [fer•ru•gi•nous]

  • Of, containing, or similar to iron. (adjective)
  • Having the color of iron rust; reddish-brown. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "ferruginous" in a sentence
  • "Much more recently the idea of ferruginous particles has been revived, their presence being ascribed not to volcanoes, but to the meteorites constantly being dissipated in the upper atmosphere."
  • "The series in America corresponding to this, entitled the ferruginous sand formation, presents fossils generally identical with those of"
  • "The kind of ferruginous pavement of the boulder-clay known to the agriculturist as _pan_, which may be found extending in some cases its iron cover over whole districts, -- sealing them down to barrenness, as the iron and brass sealed down the stump of Nebuchadnezzar's tree, -- is, like the white strips and blotches of the deposit, worthy the careful notice of the geologist."