TERMIUM Plus®

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absolute humidity [1 record]

Record 1 2011-05-10

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
  • Hydrology and Hydrography
  • Environmental Studies and Analyses
DEF

In a system of moist air, the ratio of the mass of water vapor present to the volume occupied by the mixture; that is, the density of the water vapor component.

OBS

Absolute humidity is usually expressed in grams of water vapor per cubic meter or, in engineering practice, in grains per cubic foot. Because this measure of atmospheric humidity is not conservative with respect to adiabatic expansion or compression, it is not commonly used by meteorologists.

OBS

dv.

OBS

absolute humidity: term standardized by ISO.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
  • Hydrologie et hydrographie
  • Études et analyses environnementales
DEF

Rapport entre la masse de vapeur d'eau et le volume occupé par un mélange de vapeur d'eau et d'air sec.

OBS

L'humidité absolue s'évalue généralement en grammes par mètre cube d'air humide.

OBS

dv.

OBS

En météorologie, le terme «vapeur» s'emploie couramment au sens de «vapeur d'eau».

OBS

humidité absolue; concentration de la vapeur : termes normalisés par l'ISO-5843-6, Aéronautique et espace, partie 6, Atmosphère type.

Spanish

Campo(s) temático(s)
  • Fenómenos meteorológicos, climáticos y atmosféricos
  • Hidrología e hidrografía
  • Estudios y análisis del medio ambiente
DEF

Relación entre la masa de vapor de agua y el volumen ocupado por una mezcla de vapor de agua y aire seco.

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