ceiling balloon


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Related to ceiling balloon: pilot balloon

ceiling balloon:

see weather balloonweather balloon,
balloon used in the measurement and evaluation of mostly upper atmospheric conditions (see atmosphere). Information may be gathered during the vertical ascent of the balloon through the atmosphere or during its motions once it has reached a predetermined maximum
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ceiling balloon

[′sē·liŋ bə′lün]
(aerospace engineering)
A small balloon used to determine the height of the cloud base; the height is computed from the ascent velocity of the balloon and the time required for its disappearance into the cloud.

ceiling balloon

A small balloon used to determine the height of a cloud base or the extent of vertical visibility.