| Answer | Crossword Clue |
|---|---|
| psychrophilic | thriving at temperatures below 15° |
| cryophilic | preferring or thriving at low temperatures. |
| deepfreeze | (tradename) a type of refrigerator in which food, etc, is stored for long periods at temperatures below freezing / to freeze or keep as in a deepfreeze |
| thermoclines | A steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures |
| thermocline | A steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures |
