Business / Construction / Balloon : A loan that has a series of monthly payments with the remaining balance due in a large lump sum payment at the end.


Science / Weather / Rocketsonde: A type of radiosonde that is shot into the atmosphere by a rocket, allowing it to collect data during its parachute descent from a higher position in the atmosphere than a balloon could reach. MORE


Science / Weather / Radiosonde: An instrument attached to a weather balloon used to measure pressure, temperature, humidity, and winds aloft. Observations are made when the radiosonde is aloft and emits radio signals as it ascends. MORE

Vertical Visibility

Science / Weather / Vertical Visibility: The distance an observer can see vertically into an undefined ceiling, or the height corresponding to the top of a ceiling light projector beam, or the height at which a ceiling balloon disappears dur MORE

Pilot Balloon

Science / Weather / Pilot Balloon: A small balloon whose ascent is used to determine the direction and speed of low level atmospheric winds. Also known as a pibal. MORE


Science / Spiders / Haematodocha: A balloon of elastic connective tissue between groups of seletites in the male palp which distends with blood during insemination causing the selerites to separate and rotate. MORE

Stop Date

Business / Real Estate / Stop Date: Date on a term loan when the balloon payment is due. MORE