Observation balloon
The crossword clue "Observation balloon" is answered by SONDE, a 5-letter entry. Used 6 times across 3 distinct years; most recently in 2014; first recorded in 1999. It appears in 3 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
SONDE
5 letters. See every clue for this answer on the SONDE answer page.
Used 6 times across 3 distinct years; most recently in 2014; first recorded in 1999. It appears in 3 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for SONDE
Every other clue in this collection answered by SONDE, most used first.
- Atmospheric probe - used 7 times, most recently in 2018
- Atmospheric balloon probe - used 6 times, most recently in 2018
- Meteorological probe - used 6 times, most recently in 2015
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Water balloon sound - SPLAT, used 47 times
- Go over like ___ balloon - ALEAD, used 18 times
- Balloon material - MYLAR, used 17 times
- Balloon - SWELL, used 14 times
- "Five Weeks in a Balloon" author - VERNE, used 10 times
- Shiny balloon material - MYLAR, used 10 times
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