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relative humidity Definition

relative humidity

noun

the amount of moisture in the air as compared with the maximum amount that the air could contain at the same temperature, expressed as a percentage

relative humidity Usage Examples

Converse of object

  • measure: Hygrometer - a meter for measuring the relative humidity in the air.
  • reduce: Reducing relative humidity to 50 % or less will ensure mites don't have a chance.
  • have: Air having a low relative humidity is the most effective for drying purposes.
  • control: The air conditioning unit is fitted with a humidifier and dehumidifier to control the relative humidity in the room.
  • maintain: This makes good air exchange essential to maintain the optimum relative humidity for plant growth.
  • cause: Heating causes the relative humidity of the compressed air to be reduced.

Preposition: at

%: It soon brightened up and with the relative humidity at 86 % my wife took my advice and hung out the washing.

Adjective modifier

  • low: Air having a low relative humidity is the most effective for drying purposes.
  • mean: The mean relative humidity in July was 67.2 % .
  • high: Moisture and high relative humidity next to the skin cause discomfort.
  • different: Snowflakes can also fall through layers of different relative humidity where they can both build up and lose mass.
  • ambient: The higher the ambient relative humidity, the greater the moisture on the surface as well as in the bulk of the material.
  • internal: For occupant comfort, the internal relative humidity had to be maintained at about 55 % , which significantly increased the reverberation time.

Preposition: on

%: The temperature had risen from a minimum of 15.0C to 19.5C with relative humidity on 90 %.

Noun used with modifier

air: Only at a relative air humidity of 100 % are both temperature values identical.

Preposition: of

  • %: The relative humidity of 51 % was the lowest seen during the month.
  • air: The relative humidity of the air is the ratio of the actual amount of moisture in the air to the saturated amount.
  • environment: The possible causes are:- A drying regime that does not take the relative humidity of the environment low enough.