coldness
cold-ness
noun
The state or quality of having a very low temperature; absence of heat.
"The coldness of the water shocked him."
noun
A lack of emotion, friendliness, or warmth in a person's behaviour.
"Her coldness made conversation difficult."
Thesaurus
Synonyms: coolness, chilliness, frigidity, iciness, frigidness, cold, low temperature
Antonyms: heat, high temperature, hotness