pilot balloon


noun

a balloon for the visual observation of upper-atmosphere wind currents.

Nearby words

  1. pilos,
  2. pilose,
  3. pilosebaceous,
  4. pilosity,
  5. pilot,
  6. pilot bird,
  7. pilot biscuit,
  8. pilot boat,
  9. pilot burner,
  10. pilot cell

Origin of pilot balloon

First recorded in 1840–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pilot balloon

  • Still another device employed by meteorologists is the pilot-balloon.

    The Mentor: The Weather|Charles Fitzhugh Talman


British Dictionary definitions for pilot balloon

pilot balloon

noun

a meteorological balloon used to observe air currents
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012