Refrigeration Terminology

noun a device or container for keeping things cool, especially a refrigerator or an insulated box

adjective comparative form of the adjective 'cool', meaning having a lower temperature or being more refreshing

• The new office building is equipped with a state-of-the-art water cooler.
• I'll grab us some drinks from the cooler before we head to the park.
• That party was so cool, I heard they had a sick cooler with all kinds of drinks.
• His calm demeanor in the face of adversity made him seem like a cooler head than the rest of us.

noun a temperature below zero degrees

adjective describing a temperature below zero degrees

• The temperature dropped to subzero levels overnight.
• It's freezing outside, the temperature is subzero!
• I can't handle this subzero weather, it's too cold.
• His heart felt subzero after she broke up with him.