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pergelisol

American  
[per-jel-uh-sawl, -sol] / pərˈdʒɛl əˌsɔl, -ˌsɒl /

noun

  1. permafrost.


Etymology

Origin of pergelisol

1945–50; per(manent) + Latin gel ( āre ) to freeze + -i- + -sol

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