Welcome to the new LearnersDictionary.com. We want to hear your thoughts about the new design.

permafrost

1 ENTRIES FOUND:
Save
permafrost/ˈpɚməˌfrɑːst/noun
permafrost
/ˈpɚməˌfrɑːst/
noun
Learner's definition of PERMAFROST  
[noncount]technical
: a layer of soil that is always frozen in very cold regions of the world
Comments & Questions  
Comments & Questions
What made you want to look up permafrost? Include any comments and questions you have about this word.