different between permafrost vs thermokarst

English

Etymology

perma- +? frost

Pronunciation

• (US) IPA^(key): /?p?m??f??st/

Noun

permafrost (countable and uncountable, plural permafrosts)

1. Permanently frozen ground, or a specific layer thereof.
   • 2003, Johannes C. Nonner, Introduction to Hydrogeology, ?ISBN, page 157,

     Nevertheless, the water molecule is present, as ice, in a solid form in frozen soils or permafrosts, which cover large regions characterised by a polar climate.

Derived terms

• permafrosted

Translations

See also

• cryogenesis

Anagrams

• preformats

Dutch

Etymology

Borrowed from English permafrost.

Pronunciation

• IPA^(key): /?p?r.ma??fr?st/
• Hyphenation: per?ma?frost

Noun

permafrost m (uncountable)

1. permafrost

French

Etymology

perma- +? frost.

Noun

permafrost m (plural permafrosts)

1. permafrost

Further reading

• “permafrost” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Norwegian Bokmål

Etymology

From English permafrost

Noun

permafrost m (definite singular permafrosten, uncountable)

1. permafrost

References

• “permafrost” in The Bokmål Dictionary.
• “permafrost” in Det Norske Akademis ordbok (NAOB).

Norwegian Nynorsk

Etymology

From English permafrost

Noun

permafrost m (definite singular permafrosten, uncountable)

1. permafrost

References

• “permafrost” in The Nynorsk Dictionary.

Portuguese

Noun

permafrost m (uncountable)

1. (geology) permafrost (permanently frozen ground)

Spanish

Etymology

From English permafrost.

Pronunciation

• IPA^(key): /pe?maf??ost/, [pe?.maf??ost?]

Noun

permafrost m (uncountable)

1. (geology) permafrost

   Synonyms: permagel, permacongelamiento

English

Etymology

thermo- +? karst

Pronunciation

• (UK) IPA^(key): /????(?).m???k??(?)st/

Noun

thermokarst (plural thermokarsts)

1. (geology) A region similar in appearance to karst topography, characterized by an irregular land surface, with bogs, pits, and other depressions, formed in areas of permafrost due to ice melting.

See also

karst

References

• Dictionary of Geological Terms (Anchor Books, 1984, edited by Robert L. Bates and Julia A. Jackson)