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Climatic condition, particularly in the natural environment, which primarily affects living organisms, water and soil, at a temperature below 0 °Celsius (32 °Fahrenheit). The air temperature is measured at a height of 1.25 metres above the ground, where temperatures are always slightly higher than on the ground. In meteorology, frost at ground level is referred to as ground frost. A distinction is made between radiation frost and adjective frost .

Radiation frost & adjective frost

Radiation frost occurs on dry, clear nights with no wind, when the heat radiated from the ground or plant tissue escapes unhindered into the atmosphere due to the absence of clouds, fog or haze. The coldest (and heaviest) air sinks to the ground and collects on the surface, preferably in low-lying depressions. The adjective (meaning "added") frost is caused by the inflow of already cooled air from other places. This can come from very distant areas such as a long valley.

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The glossary is a monumental achievement and one of the most important contributions to wine knowledge. Of all the encyclopaedias I use on the subject of wine, it is by far the most important. That was the case ten years ago and it hasn't changed since.

Andreas Essl
Autor, Modena

The world's largest Lexicon of wine terms.

26,707 Keywords · 47,082 Synonyms · 5,302 Translations · 32,037 Pronunciations · 244,058 Cross-references
made with by our author Norbert F. J. Tischelmayer. About the Lexicon

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