dropsonde
Very LowTechnical/Scientific
Definition
Meaning
A weather instrument package dropped by parachute from an aircraft to measure atmospheric conditions as it falls.
A specialized meteorological sensor system deployed from aircraft or balloons to gather vertical profile data of temperature, humidity, pressure, and wind, primarily for weather forecasting and research.
Linguistics
Semantic Notes
This is a highly specific term with no metaphorical or extended non-technical use. It is a compound of 'drop' + 'sonde' (from French, meaning 'probe').
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. The term is identical in both varieties.
Connotations
Purely technical; no additional connotations.
Frequency
Equally rare in both dialects, confined to meteorology, aviation, and atmospheric science contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
The meteorologists deployed [a dropsonde] from the aircraft.The [dropsonde] transmitted data on its descent.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “(None)”
Usage
Context Usage
Business
Virtually never used.
Academic
Used in atmospheric science, meteorology, and environmental research papers.
Everyday
Extremely rare; would only appear in detailed weather reports or documentaries.
Technical
Standard term in meteorology and aviation for an air-deployed atmospheric sensor package.
Examples
By Part of Speech
verb
British English
- (Not used as a verb)
American English
- (Not used as a verb)
adverb
British English
- (Not used as an adverb)
American English
- (Not used as an adverb)
adjective
British English
- The dropsonde data was crucial for the forecast model.
American English
- The hurricane hunter aircraft carried dropsonde equipment.
Examples
By CEFR Level
- (Too technical for A2 level)
- Scientists use a dropsonde to learn about the weather.
- The aircraft released a dropsonde to measure conditions inside the storm.
- Data transmitted from the dropsonde during its descent revealed an unexpected layer of dry air, which informed the revised cyclone intensity forecast.
Learning
Memory Aids
Mnemonic
Think of a DROPped proSONDE (a probe). Something DROPPED that SOUNDS out (measures) the atmosphere.
Conceptual Metaphor
TOOL AS EXPLORER / PROBE: The dropsonde is a sensory explorer sent into unknown territory (the atmospheric column).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid literal translation as 'капельный зонд' (drop probe). The standard Russian term is 'сбрасываемый зонд' or 'дропсонда' (a direct borrowing).
- Do not confuse with 'радиозонд' (radiosonde), which is a broader category.
Common Mistakes
- Misspelling as 'drop sonde' (should be one word or hyphenated: dropsonde/drop-sonde).
- Using it as a verb (e.g., 'to dropsonde the storm' is non-standard; the verb is 'to deploy a dropsonde').
Practice
Quiz
What is a 'dropsonde' primarily used for?
FAQ
Frequently Asked Questions
A radiosonde is a broader term for a battery-powered telemetry instrument carried into the atmosphere, usually by a weather balloon. A dropsonde is a specific type of radiosonde that is dropped from an aircraft.
Yes, while often used over oceans where ground stations are scarce, dropsondes are also deployed over land for detailed atmospheric profiling, especially in front of weather systems or for research.
Primarily national meteorological services (like the UK Met Office or US NOAA), research institutions, and air force weather reconnaissance units (like the US Hurricane Hunters).
No, it is a very low-frequency technical term. The average English speaker is unlikely to know or use it.