| Answer | Crossword Clue |
|---|---|
| MINUS | Start of a very cold temperature |
| ABSOLUTEZERO | Very cold temperature |
| isocryme | a contour line of equal temperature during the cold |
| isocrymes | ISOCRYME, a contour line of equal temperature during the cold |
| poikilothermal | having a variable blood temperature, cold blooded also POIKILOTHERMIC |
| poikilothermic | having a variable blood temperature, cold blooded also POIKILOTHERMAL |
| colds | A low temperature, esp. in the atmosphere; cold weather; a cold environment |
