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单词 Pebidian
释义

Definition of Pebidian in English:

Pebidian

adjective pɛˈbɪdɪənpəˈbɪdɪən
Geology
  • Designating a thick sequence of volcanic rocks of Precambrian age with outcrops in several areas in south-western Wales.

noun pɛˈbɪdɪənpəˈbɪdɪən
Geology
  • The Pebidian sequence.

Origin

Late 19th century. From Pebidi- (in Pebidiog (formerly Pebidiauc), the name of a district in Pembrokeshire, Wales, where the rock is exposed) + -an; compare -ian.

Definition of Pebidian in US English:

Pebidian

adjective
Geology
  • Designating a thick sequence of volcanic rocks of Precambrian age with outcrops in several areas in south-western Wales.

noun
Geology
  • The Pebidian sequence.

Origin

Late 19th century. From Pebidi- (in Pebidiog (formerly Pebidiauc), the name of a district in Pembrokeshire, Wales, where the rock is exposed) + -an; compare -ian.

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更新时间:2024/12/26 12:35:55