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Humidity vs Polytunnel - What's the difference?

humidity | polytunnel |

As nouns the difference between humidity and polytunnel

is that humidity is dampness, especially that of the air while polytunnel is a tunnel made of polyethylene, used to grow plants that require a higher temperature and/or humidity than that which is available in the environment.

humidity

English

Noun

(en-noun)
  • dampness, especially that of the air.
  • the amount of water vapour in the air.

    • Derived terms

    * absolute humidity * relative humidity * specific humidity

    Related terms

    * humid * humidifier * humidify * dew point * hygrometer

    See also

    * ("humidity" on Wikipedia)

    polytunnel

    English

    (wikipedia polytunnel)

    Noun

    (en noun)
  • A tunnel made of polyethylene, used to grow plants that require a higher temperature and/or humidity than that which is available in the environment.