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Dew point

UK //djuː pɔɪnt// US //du pɔɪnt// Pronunciation

Definition

The temperature at which air reaches 100% humidity and water vapor condenses into dew.

Listen to definition

In simple words: The temperature at which air becomes saturated with moisture.

Examples

• The dew point today is low, indicating dry air conditions.
• When the dew point rises, expect more humidity in the air.
• Meteorologists use dew point to predict fog formation.
• A high dew point means it's more uncomfortable outside.
• Knowing the dew point is essential for understanding weather patterns.

Usage notes

Used in weather forecasts and environmental reports. Not commonly used in casual conversation.

Grammar pattern

noun

Memory hint

Think of 'dew' as the morning drops on grass at the right 'point' of temperature.

Collocations

• measure dew point
• high dew point
• low dew point

Synonyms

• dew temperature
• saturation temperature
• moisture point

Common mistakes

• Confused with 'humidity' which measures moisture in the air but not temperature.
• Misunderstood as the same as 'temperature', but it's specific to moisture.
• Often mispronounced or spelled incorrectly.