dust devil(redirected from Lava devils)
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A small whirlwind, usually of short duration, that swirls dust, debris, and sand to great heights.
(Physical Geography) a strong miniature whirlwind that whips up dust, litter, leaves, etc into the air
a small whirlwind 10–100 ft. (3–30 m) in diameter and from several hundred to 1000 ft. (305 m) high, common in dry regions and made visible by the dust it picks up from the ground.
An intense low-pressure system which creates a column of fast-moving wind laden with dust.
A small whirlwind that has picked up a substantial amount of dust. Dust devils are often seen in hot summer months moving across plowed fields.