furruginous

形容词 adj.

英文释义

形容词 adj.
  1. Alternative form of ferruginous (“containing iron”). alt-of,alternative
    — 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.
  2. Alternative form of ferruginous (“rust-coloured”). alt-of,alternative
    — 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.

词形变化

more furruginous comparative most furruginous superlative

词源

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.
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