humidity
/hju:'miditi/
Definition
- Noun:
- Wetness in the atmosphere: The state or quality of being humid; the amount of water vapor present in the air.
Usage
- General Use: "Humidity" is an uncountable noun used to describe the level of moisture or dampness in the air. It is a key concept in weather reports and discussions about climate and comfort.
- Scientific/Technical Use: In meteorology and environmental science, it refers to a measurable quantity, often expressed as relative humidity (a percentage).
Examples
- Noun:
- The high humidity today makes the heat feel even more oppressive.
- Plants in a greenhouse require controlled temperature and humidity.
- Low humidity in winter can cause dry skin and static electricity.
Advanced Usage
- "Relative humidity": The ratio of the current amount of water vapor in the air to the maximum amount possible at that temperature, expressed as a percentage.
- The relative humidity is 85%, so it feels very muggy.
- "Absolute humidity": The total mass of water vapor present in a given volume of air.
- Absolute humidity is measured in grams per cubic meter.
Variants and Related Words
- Humid (adj): Marked by a high level of moisture in the air.
- The weather is hot and humid.
- Humidify (verb): To add moisture to the air.
- A machine to humidify the dry office air.
- Humidifier (noun): A device for increasing humidity.
- We use a humidifier in the bedroom during winter.
- Dehumidify (verb): To remove moisture from the air.
- Dehumidifier (noun): A device that removes moisture.
Synonyms
- Dampness: Slight wetness, often unpleasant.
- Moisture: Water or other liquid diffused in a small quantity.
- Mugginess: Unpleasantly warm and humid air.
Antonyms
- Aridity: Extreme dryness.
- Dryness: The state of being free from moisture.
Related Phrases/Idioms
- "It's not the heat, it's the humidity": A common saying emphasizing that high moisture in the air, more than the temperature itself, causes discomfort on a hot day.
- The temperature is only 30°C, but it's unbearable—it's not the heat, it's the humidity.
Noun
-
wetness in the atmosphere
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