noun
permafrost
PUR-muh-frawst
Permafrost (noun) means Ground that stays frozen solid all year round, typically in polar or high-altitude regions. Example: “Thawing permafrost is releasing trapped methane in the Arctic.”
noun
1
Ground that stays frozen solid all year round, typically in polar or high-altitude regions.
"Thawing permafrost is releasing trapped methane in the Arctic."
How to use permafrost
Learner’s notesIn plain EnglishSoil or rock that remains frozen throughout the year, common in Arctic and alpine regions.
Common pairings
permafrost thaw
permafrost layer
Vocabulary Flow
Build your vocabulary from words like permafrost.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Word forms
- Plural
- permafrosts
Fill the gap
Can you complete this real example?
Thawing _____ is releasing trapped methane in the Arctic.
Etymology
From "perma-" (permanent) + "frost."
Frequently asked questions
What does “permafrost” mean?
The word “permafrost” means ground that stays frozen solid all year round, typically in polar or high-altitude regions. In plain terms, soil or rock that remains frozen throughout the year, common in Arctic and alpine regions.
How do you pronounce “permafrost”?
“Permafrost” is pronounced PUR-muh-frawst (/ˈpɝməˌfɹɔst/ in IPA).
How do you use “permafrost” in a sentence?
Here is “permafrost” used in a sentence: “Thawing permafrost is releasing trapped methane in the Arctic.”
What part of speech is “permafrost”?
“Permafrost” is a noun.
