permafrost
🇺🇸
/ˈpɜːrməfrɔːst/
🇬🇧
/ˈpɜːməfrɒst/
noun
R
ground that stays frozen all year round, found in very cold places
The melting of permafrost can cause problems for buildings and roads.
translation
ground that stays frozen all year round, found in very cold places
Word Forms
Plural
permafrosts