(n.) The state or quality of being icy or very cold\.

algidity bitterness bleakness boiling point briskness chill chilliness cold coldness cool coolness coolth crispness cryogenics cryology decrease in temperature dew point freezing point freshness frigidity frostiness gelidity iciness inclemency intense cold keenness low temperature melting point nip nippiness rawness recalescence point rigor severity sharp air sharpness temperature zero