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.

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

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.

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

词汇	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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