Sounding-balloon
noun, Meteorology.
1.
a balloon carrying instruments aloft to make atmospheric measurements, especially a radiosonde balloon.
Read Also:
- Sounding-block  noun 1. a small block of wood for rapping with a gavel. 
- Sounding-board  noun 1. a thin, resonant plate of wood forming part of a musical instrument, and so placed as to enhance the power and quality of the tone. 2. a structure over or behind and above a speaker, orchestra, etc., to reflect the sound toward the audience. 3. a board used in floors, partitions, etc., for […] 
- Sounding-lead  [leed] /lid/ noun 1. See under sounding line. sounding line noun 1. a line weighted with a lead or plummet (sounding lead) and bearing marks to show the length paid out, used for sounding, as at sea. sounding lead /lɛd/ noun 1. a lead weight, usually conical and having a depression in the base for […] 
- Sounding-line  noun 1. a line weighted with a lead or plummet (sounding lead) and bearing marks to show the length paid out, used for sounding, as at sea. sounding line noun 1. a line marked off to indicate its length and having a sounding lead at one end. It is dropped over the side of a […] 
- Sounding-machine  noun, Navigation. 1. any of various machines for taking and recording soundings. 
