TERMIUM Plus®

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HYGROSCOPE [1 record]

Record 1 2014-03-21

English

Subject field(s)
  • Weather Stations and Meteorological Instruments and Equipment
  • Atmospheric Physics
DEF

An instrument that indicates, without actually measuring, changes in atmospheric humidity.

CONT

Usually a device in which a vegetable or animal fibre (in "Saussure's hydroscope", a human hair) which contracts with moisture, is made to move an index round a graduated scale as in the wheel barometer, or, in a familiar form, to make a small male or female figure emerge from a toy house.

OBS

Compare with "hygrometer."

French

Domaine(s)
  • Stations, instruments et équipements météorologiques
  • Physique de l'atmosphère
DEF

Appareil mettant en évidence de façon qualitative les variations de l'état hygrométrique de l'air.

CONT

Les hygroscopes reposant tous sur la propriété qu'ont certaines substances, dites hygroscopiques, d'absorber l'humidité atmosphérique et de changer d'aspect ou de longueur par suite de cette absorption.

OBS

Il ne faut pas confondre l'hydroscope avec l'hygromètre.

Spanish

Campo(s) temático(s)
  • Estaciones, instrumentos y equipos meteorológicos
  • Física de la atmósfera
DEF

Instrumento que indica la humedad del aire.

OBS

Los higroscopios empleados en meteorología son los higrómetros y psicrómetros.

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