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单词 rudaceous
释义

Definition of rudaceous in English:

rudaceous

adjective rʊˈdeɪʃəsro͞oˈdāSHəs
Geology
  • (of rock) composed of fragments of relatively large size (larger than sand grains).

    Example sentencesExamples
    • Composed of angular rather than rounded fragments, this type of rudaceous sedimentary rock occurs in volcanic vents where sides of the vent or pipe are broken by explosions.
    • In central Telemark, the Bandak Group comprises voluminous elastic and rudaceous sediments, basaltic lava flows and minor felsic volcanics.

Origin

Early 20th century: from Latin rudus 'rubble' + -aceous.

 
 

Definition of rudaceous in US English:

rudaceous

adjectivero͞oˈdāSHəs
Geology
  • (of rock) composed of relatively large fragments (larger than sand grains).

    Example sentencesExamples
    • In central Telemark, the Bandak Group comprises voluminous elastic and rudaceous sediments, basaltic lava flows and minor felsic volcanics.
    • Composed of angular rather than rounded fragments, this type of rudaceous sedimentary rock occurs in volcanic vents where sides of the vent or pipe are broken by explosions.

Origin

Early 20th century: from Latin rudus ‘rubble’ + -aceous.

 
 
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更新时间:2024/11/13 9:53:41