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单词 polymictic
释义

Definition of polymictic in English:

polymictic

adjective ˌpɒlɪˈmɪktɪk
  • 1Geology. Of a sedimentary rock: composed of several minerals or rock types; (of a breccia) containing fragments of differing composition; (of a gravel) containing stones of greatly differing sizes.

  • 2Limnology. Of a lake: having no stable thermal stratification but exhibiting perennial circulation.

Origin

1930s; earliest use found in Journal Sedimentary Petrology. From poly- + ancient Greek μικτός mixed + -ic.

Definition of polymictic in US English:

polymictic

adjectiveˌpɒlɪˈmɪktɪk
  • 1Geology. Of a sedimentary rock: composed of several minerals or rock types; (of a breccia) containing fragments of differing composition; (of a gravel) containing stones of greatly differing sizes.

  • 2Limnology. Of a lake: having no stable thermal stratification but exhibiting perennial circulation.

Origin

1930s; earliest use found in Journal Sedimentary Petrology. From poly- + ancient Greek μικτός mixed + -ic.

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更新时间:2025/6/20 5:32:20