relative humidity(The relative humidity of the air is the amount of water that is present in the air compared to the greatest amount it would be possible for the air to hold at that temperature: The relative humidity will be about 80% today. CALD Alexander Demidov)
humidity(the amount of water in the air: *Instruments constantly monitor temperature and humidity. *high/low humidity *70% humidity. OALDAlexander Demidov)