TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

DRY FOG [3 records]

Record 1 2017-05-12

English

Subject field(s)
  • Meteorology
  • Air Pollution
DEF

Suspension in the atmosphere of extremely small, dry particles which are invisible to the naked eye but numerous enough to give the sky an opalescent appearance.

CONT

Dry haze particles are very small, on the order of 0.1 mm. Wet haze particles are larger. Haze is distinguished from fog by its bluish or yellowish tinge.

French

Domaine(s)
  • Météorologie
  • Pollution de l'air
DEF

Brume constituée par une accumulation d'aérosols solides (poussière, sable, etc.) en suspension, invisibles à l'œil nu mais si nombreux qu'ils donnent à l'air un aspect trouble et opalescent.

CONT

Entraînée par les vents forts qui soufflent vers le large à partir des déserts, la brume sèche peut être observée parfois loin en mer. Ce phénomène contribue pour une part à la sédimentation des fonds océaniques.

Spanish

Campo(s) temático(s)
  • Meteorología
  • Contaminación del aire
DEF

Suspensión en la atmósfera de partículas secas tan diminutas que son invisibles a simple vista pero que en conjunto dan al cielo una apariencia opalescente.

Save record 1

Record 2 2011-08-26

English

Subject field(s)
  • Air Pollution
DEF

In air pollution, a condition of reduced visibility due to the presence of dust, smoke, or haze in the air; it is not a true fog and it is not composed of water vapour.

CONT

These are not descriptions of a stratospheric aerosol layer nor are they descriptions of a fog composed of water vapour. A letter from Germany, ... suggests that the fog was composed of acid gases at sufficient concentrations to damage trees: ... The thick dry fog that has so long prevailed seems to have spread over the whole surface of Europe; several mariners have also observed it at sea; in the day time it veils the sun and towards evening it has an infectious smell; in some places it withers the leaves, and almost all the trees on the borders of the Ems have been stripped of theirs in one night." [The Ipswich Journal. Saturday August 9th 1783].

OBS

This term has a different meaning in meteorology.

French

Domaine(s)
  • Pollution de l'air
CONT

Le «brouillard sec» qui, en 1783, couvrit pendant trois mois toute l'Europe provenait d'une éruption volcanique en Islande. En 1883, la grande éruption du Krakatoa, volcan d'Indonésie, et, en 1903, celle du mont Katmai en Alaska, donnèrent naissance à des nuages de cendres qui furent perceptibles en différentes parties du monde.

Spanish

Save record 2

Record 3 2011-08-26

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
  • Climatology
DEF

A fog that does not deposit moisture on exposed surfaces.

OBS

As opposed to "wet fog".

OBS

"Dry fog" has a different meaning in air pollution.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
  • Climatologie
OBS

S'emploie par opposition à «brouillard mouillant».

Spanish

Save record 3

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