Dendritic crystal: Difference between revisions
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<div class="definition"><div class="short_definition">( | <div class="definition"><div class="short_definition">(''Or'' dendrite.) A [[crystal]], particularly a planar [[ice crystal]], with its macroscopic form ([[crystal habit]]) characterized by intricate branching structures of a treelike nature.</div><br/> <div class="paragraph">Dendritic ice crystals possess hexagonal symmetry, and tend to develop when a crystal grows by [[vapor]] deposition at temperatures within a few degrees of -15°C, providing [[saturation]] is close to [[supercooled water]]. Similar forms occur by [[ice]] growth into supercooled liquid water at temperatures down to -10°C. Spatial dendrites grow in three dimensions from a central frozen [[drop]].</div><br/> </div> | ||
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Latest revision as of 15:02, 20 February 2012
dendritic crystal
(Or dendrite.) A crystal, particularly a planar ice crystal, with its macroscopic form (crystal habit) characterized by intricate branching structures of a treelike nature.
Dendritic ice crystals possess hexagonal symmetry, and tend to develop when a crystal grows by vapor deposition at temperatures within a few degrees of -15°C, providing saturation is close to supercooled water. Similar forms occur by ice growth into supercooled liquid water at temperatures down to -10°C. Spatial dendrites grow in three dimensions from a central frozen drop.
