A : absolute zero
absolute zero: 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