The most common and most likely answer to this crossword clue is the 9 letter word CRYOGENIC
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More clues leading to the result CRYOGENIC
- Report government invested in working on ice at low temperatures
- Slippery icy conger kept at low temperatures
- Colder extremities will have gone icy, shivering in freezing conditions
- Freezing cold year in polar region at the far end of Antarctic
- Keen to return - nice to be transported when it's extremely cold
Buddy explains!

The straight part
We know that "extremely cold" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case extremely cold = cryogenic.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CRYOGENIC mean?
CRYOGENIC adjective- Of, relating to, or performed at low temperatures.