Riphaean

形容词 adj. 专有名词
/ˈɹɪfɪən/|/ˈɹʌɪfɪən/   

英文释义

形容词 adj.
  1. Designating a range of mountains once thought to be located in northern Europe, later considered mythological or identified with the Urals. historical,not-comparable
    — The substance, whereof she the body made, / Was purest snow in massy mould congeald, / Which she had gathered in a shady glade / Of the Riphœan hills […]
专有名词
  1. An age from 1650 to 650 million years ago, a subdivision of the Proterozoic.

词形变化

Riphæan alternative Riphean alternative Riphœan alternative Riphoean alternative the Riphaean canonical Riphæan alternative Riphean alternative Riphœan alternative Riphoean alternative

词源

词源 1
From Latin Rīphaeus + -an. Compare Rhipaean.
词源 2
From Latin Rīphaeus + -an. Compare Rhipaean.
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