Definition of humidity in US English:

humidity

noun

  • 1The state or quality of being humid.

    • ‘The heart problem began three years ago, she said, when he had a heart attack, but he was also sensitive to humidity as he suffered from pleurisy in his youth.’
    • ‘Seems we're two of a kind, Dolly and me, both loving the sunshine and the long, langourous days of summer, and both of us loathing the heat and humidity.’
    • ‘A second set of symptoms is associated with humidity.’
    • ‘I'm not a big fan of heat or humidity, even though I've lived all my life in Brisbane, and it's even less enjoyable after an overnight flight.’
    • ‘It was no surprise then when I opened the doors of my cottage at the homestay to be confronted by air thick with humidity.’
    • ‘But getting used to the heat and humidity is taking longer that I expected.’
    • ‘Of course, keeping beautiful amid the heat and humidity is no easy task, so the Shanghai Star brings you some new and effective ways to help you look your best in the hot weather.’
    • ‘They worked on everything from diet and tactics, to playing in heat and humidity and dealing with play-acting opponents or suspect officiating.’
    • ‘The stuffiness was a result of subterranean humidity.’
    • ‘The city had a foggy appearance from the heat and humidity.’
    • ‘This time around, we ventured south to experience the heat and humidity that only Washington, DC can provide.’
    • ‘The film's visual art is immersive: I'm not sure that any other Los Angeles movie has better evoked the city's humidity.’
    • ‘Just how much of an influence will the heat and humidity be?’
    • ‘Given their concerns about long flights and humidity, I think our patients should consider the Mediterranean, which is wondrous in June.’
    • ‘The humidity dampens the desire to move, motivation of any kind thoroughly drenched by the onslaught of heavy tropical rain.’
    • ‘The humidity is the thing that bothers me the most though!’
    • ‘Allergies, humidity and a night plagued by bad dreams have all conspired to lead me to post a repeat here this morning.’
    • ‘Last night a combination of work colleagues passing off responsibilities and humidity meant that at 2.30 I was awake, fully conscious and alert.’
    • ‘Intense heat and humidity, coupled with painful swollen feet which was a side effect of surgery, meant I could complete only four of the gruelling seven days walking.’
    • ‘Significantly, he is unconcerned by the expected humidity.’
    1. 1.1 A quantity representing the amount of water vapor in the atmosphere or in a gas.
      ‘the temperature is seventy-seven, the humidity in the low thirties’
      • ‘These mostly nocturnal or crepuscular animals are excellent water conservers, spending much of their time buried in desert sand, where interstitial humidities are high.’
      • ‘The structures that make up a snowflake can then be observed under different temperatures and humidities, including the arms, plates, columns and side branches which make each one unique.’
      • ‘The entire family needs higher humidities, but there are differences.’
      • ‘In these tests, he first stored the plywood samples at normal or high humidities for a month or soaked them in water for 2 hours.’
      • ‘Kitchens and bathrooms are natural places for higher humidity because of running water and escaping steam.’
      • ‘The daytime temperature was often 95 degrees, the average humidity 85 percent.’
      • ‘Mold and dust mites thrive at higher humidities.’
      • ‘At low humidities the photobiont cells are contracted but are nearly at full turgor at 96% relative humidity.’
      • ‘I suspect that with the low humidity you also found the winds were relatively calm and the temperature a little higher than at other times.’
      • ‘High temperatures favour chemical erosion, and high humidities and rainfall ensure that abundant water is available for the dissolution process.’
      • ‘Water damage and high humidity in walls encourage the growth of molds.’
      • ‘The airflow inside a forest is greatly reduced and results in higher humidities.’
      • ‘But unlike others, it can do this under similar pressures and humidities faced by everyday phenomena.’
      • ‘Buildings with high humidity and water infiltration problems are particularly prone to mold growth.’
      • ‘Beijing, in the temperate zone, has a relatively lower humidity than the other two cities.’
      • ‘Wind speeds, humidities, and rainfall were not significantly related to mean summer temperature of the region in any 3°C temperature band.’
      • ‘Temperatures rarely top - 22°C, and the average humidity is 85 per cent.’
      • ‘High humidities are necessary for this disease to develop.’
      • ‘Acrylic paints, like oil paints that are rich in medium, become soft and vulnerable to damage and dirt retention at high temperatures and humidities or brittle and friable at low temperatures.’
      • ‘Mold can grow almost anywhere there is water damage, high humidity or dampness.’
    2. 1.2 Atmospheric moisture.
      • ‘As the plants need humidity, they should be misted regularly.’
      • ‘Misting their stems regularly will also help provide additional humidity which they like.’
      • ‘These terms are sensitive to air temperature, atmospheric humidity, cloudiness, and wind.’
      • ‘If the rising air has enough humidity, clouds and precipitation form.’
      • ‘Mist the plant daily to ensure enough humidity and keep it in a bright but not sunny window.’
      • ‘Plants that like shade also like moisture and humidity, so sit their pots in trays filled with gravel to meet their climatic needs.’
      • ‘Another way to give them some humidity, is to mist them a few times a week.’
      • ‘Make sure you express that your mirrors will be exposed to moisture and humidity and that they should be sealed.’
      • ‘When the water vapor was carried away by the wind, it increased the global atmospheric humidity.’
      • ‘The pivots provided the necessary moisture and humidity required for this disease to develop.’
      • ‘If the soil is moist but the plant still wilts, mist over the plant lightly to increase humidity.’
      • ‘But too much moisture (from humidity in the air) can make even the smoothest hair frizz.’
      • ‘Wind, soil type, soil moisture, humidity, snow, and winter sunshine may greatly affect the adaptability of plants.’
      • ‘Washers, dryers, dishwashers, and water heaters also generate large amounts of heat and humidity.’
      • ‘Ventilation or air leaks will also influence moisture and humidity in the greenhouse and on the covers.’
      • ‘Sprinklers, rather than flooding, provide the necessary humidity.’
      • ‘In the sweet wine areas, on the other hand, humidity is sought in autumn, particularly morning mists which evaporate during the day to encourage the spread of noble rot.’
      • ‘Such sensors, however, have been plagued by their sensitivity to wet and sweaty fingers, as well as to atmospheric humidity.’
      • ‘It is indigenous to African regions characterized by abundantly distributed rainfall and atmospheric humidity frequently approaching saturation.’
      • ‘Protect products from humidity because moisture can lead to contamination.’
      mugginess, humidness, closeness, sultriness, stickiness, steaminess, airlessness, stuffiness, clamminess
      View synonyms

Origin

Late Middle English: from Old French humidite or Latin humiditas, from humidus (see humid).

Pronunciation

humidity

/(h)yo͞oˈmidədē//(h)juˈmɪdədi/