dust devil
lowneutral, informal, occasionally technical (in meteorology)
Definition
Meaning
A small, rapidly rotating column of air and dust that forms on hot, clear days, especially over dry ground.
A minor but energetic whirlwind; figuratively, a small, temporary commotion or disturbance.
Linguistics
Semantic Notes
Primarily denotes a specific meteorological phenomenon. The figurative use is rare and poetic.
Dialectal Variation
British vs American Usage
Differences
The term is understood in both varieties, but the phenomenon is more common in arid regions of the US, Australia, etc. Some British speakers might use the generic term 'whirlwind'.
Connotations
Neutral descriptor of a weather event.
Frequency
Higher frequency in American English due to the prevalence of the phenomenon in regions like the Southwest.
Vocabulary
Collocations
Grammar
Valency Patterns
A dust devil forms.We saw a dust devil on the plain.The dust devil swirled across the yard.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[no common idioms; the term itself is literal]”
Usage
Context Usage
Academic
Used in meteorology and geography to describe a specific convective vortex.
Everyday
Used to describe a small, spinning column of dust seen on a hot day.
Technical
A well-defined, convective vortex, usually of short duration, formed from superheated air near the ground.
Examples
By CEFR Level
- Look! A dust devil is spinning in the field.
- A small dust devil suddenly formed on the hot road and swirled away.
- While hiking in the desert, we had to pause as a large dust devil whipped past, temporarily reducing visibility.
Learning
Memory Aids
Mnemonic
Imagine a tiny devil dancing on the hot ground, stirring up dust in a playful, spinning whirl.
Conceptual Metaphor
ENERGY/CHAOS IS A DEVIL (a small, mischievous force stirring up the environment).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct translation as 'пыльный дьявол' outside of meteorological contexts; it is not an idiom. The Russian meteorological term is 'пыльный вихрь' or 'смерч'.
Common Mistakes
- Confusing it with a tornado (much larger and more severe).
- Using it as a verb (e.g., 'The wind dust devilled' is incorrect).
Practice
Quiz
Which of the following is a key characteristic of a dust devil?
FAQ
Frequently Asked Questions
No. A dust devil is a small, thermally-driven vortex that forms from the ground up on hot, clear days. A tornado is a violently rotating column of air in contact with both a thundercloud (cumulonimbus) and the ground.
Typically, they are small and harmless. However, large dust devils can reach wind speeds strong enough to cause minor damage to structures or be a hazard to lightweight vehicles and aircraft.
They are most common in arid or semi-arid regions with intense surface heating, such as deserts in the southwestern United States, Australia, the Middle East, and parts of Africa.
Yes, but it's rare and poetic. It can describe a person or event causing a small, energetic, but temporary commotion, e.g., 'The toddlers ran through the house like a pair of dust devils.'
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