ballon-sonde
/ˌbalɔ̃ˈsɒnd/Meteorology. Now chiefly historical
noun
A small balloon used to carry instruments for recording atmospheric conditions into the upper atmosphere; a weather balloon, a sounding balloon.
Origin
Late 19th century; earliest use found in Science. From French ballon-sonde from ballon + sonde.
- the sun is over the yardarm
- the Supreme Being
- the sword of justice
- theta
- the tail of one's eye
- the tail wags the dog
- theta rhythm
- theta role
- the Tasman
- the Tatras
- the Temptation
- the Tempter
- the Theocracy
- the thick end of something
- the thin blue line
- the thin end of the wedge
- the three Es
- the Three Graces
- the three Rs
- the thrill of the chase
- the time of one's life
- the Times
- the tip of an (or the) iceberg
- the tip of the iceberg
- Thetis