Ontologies
ENVO
Environment Ontology (ENVO)
OWL
Last submission date February 6, 2025
ID http://purl.obolibrary.org/obo/ENVO_03000138
http://purl.obolibrary.org/obo/ENVO_03000138
https://agroportal.lirmm.fr/ontologies/ENVO/ENVO_03000138
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Preferred name

particle of snow

Synonyms
grain of snow granule of snow snow grain snow granule snow particle granular snow
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Definitions
Precipitation in the form of very small, white opaque particles of ice; the solid equivalent of drizzle. They resemble snow pellets in external appearance, but are more flattened and elongated, and generally have diameters of less than 1 mm; they neither shatter nor bounce when they hit a hard surface. Descriptions of the physical structure of snow grains vary widely and include very fine, simple ice crystals; tiny, complex snow crystals; small, compact bundles of rime; and particles with a rime core and a fine glaze coating. It is agreed that snow grains usually fall in very small quantities, mostly from stratus clouds or from fog, and never in the form of a shower. A particle which is 1) primarily compposed of water ice, 2) on the order of 1 milimeter or less, 3) has a white and opaque appearance, and 4) is formed as a result of water droplets freezing during precipitation.
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