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balloon
(Encyclopedia)balloon, lighter-than-air craft without a propulsion system, lifted by inflation of one or more containers with a gas lighter than air or with heated air. During flight, altitude may be gained by disc...pilot balloon
(Encyclopedia)pilot balloon: see weather balloon. ...balloon angioplasty
(Encyclopedia)balloon angioplasty: see under angioplasty. ...ceiling balloon
(Encyclopedia)ceiling balloon: see weather balloon. ...weather balloon
(Encyclopedia)weather 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 t...horizontal sounding balloon
(Encyclopedia)horizontal sounding balloon: see weather balloon. ...Yost, Ed
(Encyclopedia)Yost, Ed (Paul Edward Yost), 1919–2007, American balloonist, b. Bristow, Iowa, grad. Boeing School of Aeronautics, 1940. The father of modern hot-air ballooning, Yost pioneered the used of propane (...Montgolfier, Joseph Michel
(Encyclopedia)Montgolfier, Joseph Michel zhäk ātyĕnˈ [key], 1745–99, French inventors, brothers. Together they invented the first practical balloon. On June 5, 1783, they sent up at Annonay, near Lyons, a lar...angioplasty
(Encyclopedia)angioplasty ănˈjēōplăsˌtē [key], any surgical repair of a blood vessel, especially balloon angioplasty or percutaneous transluminal coronary angioplasty, a treatment of coronary artery disease....radiosonde
(Encyclopedia)radiosonde rāˈdēōsŏnd [key], group of instruments for simultaneous measurement and radio transmission of meteorological data, including temperature, pressure, and humidity of the atmosphere. The ...Browse by Subject
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