polymictic
/ˌpɒlɪˈmɪktɪk/adjective
1 Geology. 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.
2 Limnology. 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.
- presumptively
- presumptuous
- presumptuously
- presumptuousness
- presupernova
- presupposal
- presuppose
- presupposition
- presuppositional
- presuppositionless
- presylvian
- presymphyseal
- presymphysial
- presynaptic
- presynaptically
- presystematic
- presystematically
- presystole
- presystolic
- pret.
- pret
- preta
- pretape
- pretarsus
- pre-tax