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词汇 pedion
释义

Definition of pedion in English:

pedion

noun ˈpɛdɪənˈpiːdɪən
  • A crystal form, shown by triclinic minerals, consisting of a single face bounded by other faces having no simple symmetrical relation to it (or to each other).

Origin

Late 19th century; earliest use found in William J. Lewis (b. 1847). From ancient Greek πεδίον a plain, a flat surface from πέδον ground, earth + -ιον, suffix forming nouns.

Definition of pedion in US English:

pedion

noun
  • A crystal form, shown by triclinic minerals, consisting of a single face bounded by other faces having no simple symmetrical relation to it (or to each other).

Origin

Late 19th century; earliest use found in William J. Lewis (b. 1847). From ancient Greek πεδίον a plain, a flat surface from πέδον ground, earth + -ιον, suffix forming nouns.

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