furruginous

English

Etymology

Presumably originally a misspelling of ferruginous, that remained either in error or in minority, mainly technical, use from about early 19th century to mid-20th century.

Adjective

furruginous (comparative more furruginous, superlative most furruginous)

Alternative form of ferruginous (“containing iron”)
- 1804 Antoine François comte de Fourcroy: A general system of chemical knowledge
  The quartzose iron is somewhat difficult of treatment, nevertheless it does not resist the long-continued action of acids any more than furruginous sands and the different species of ochres.
- 1804 Anthony Florian Madinger Willich: The Domestic Encyclopaedia; Or, A Dictionary of Facts
  The natural coral seems to receive its colour from iron, as spirit of vitriol acquires from it a furruginous taste; and on calcination, some particles are discoverable among the ashes, that are attracted by the magnet.
- 1839 John Beck: Beck's, late Fairfax's, Leamington guide
  In advancing nearer the surface, the fluid thus impregnated meets with a stratum of porus iron-stone, which is combined with the silica, and which, in digging Mr. Smart's well, has been found to exist under the town; and hence the furruginous bi-silicate.
- 1907 Ernest F. Burchard: Illinois State Geological Survey — Yearbook for 1907
  There are a few ledges of partly consolidated gravel conglomerate, and locally near the base of the cut is 4 to 6 feet of sand that has been indurated by a dark furruginous cement, forming a sandstone.
Alternative form of ferruginous (“rust-coloured”)
- 1823 William Scoresby: Journal of a Voyage to the Northern Whale-fishery
  The caterpillar feeds on the Kola; it is grey, with alternate rows of white and furruginous spines; the pupa yellowish, variegated with black.

单词	furruginous
释义	furruginous English Etymology Presumably originally a misspelling of ferruginous, that remained either in error or in minority, mainly technical, use from about early 19th century to mid-20th century. Adjective furruginous (comparative more furruginous, superlative most furruginous) Alternative form of ferruginous (“containing iron”) 1804 Antoine François comte de Fourcroy: A general system of chemical knowledge The quartzose iron is somewhat difficult of treatment, nevertheless it does not resist the long-continued action of acids any more than furruginous sands and the different species of ochres. 1804 Anthony Florian Madinger Willich: The Domestic Encyclopaedia; Or, A Dictionary of Facts The natural coral seems to receive its colour from iron, as spirit of vitriol acquires from it a furruginous taste; and on calcination, some particles are discoverable among the ashes, that are attracted by the magnet. 1839 John Beck: Beck's, late Fairfax's, Leamington guide In advancing nearer the surface, the fluid thus impregnated meets with a stratum of porus iron-stone, which is combined with the silica, and which, in digging Mr. Smart's well, has been found to exist under the town; and hence the furruginous bi-silicate. 1907 Ernest F. Burchard: Illinois State Geological Survey — Yearbook for 1907 There are a few ledges of partly consolidated gravel conglomerate, and locally near the base of the cut is 4 to 6 feet of sand that has been indurated by a dark furruginous cement, forming a sandstone. Alternative form of ferruginous (“rust-coloured”) 1823 William Scoresby: Journal of a Voyage to the Northern Whale-fishery The caterpillar feeds on the Kola; it is grey, with alternate rows of white and furruginous spines; the pupa yellowish, variegated with black.
随便看	down in the heels down in the mouth down jacket down jackets downladder downland downlands downlead downleads downless downlevel downleveled downleveling downlevelled downlevelling downlevels Downley Downleys downlight downlighted downlighter downlighters downlighting downlights downlike