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blue jet

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
blue jet
n.
A discharge of blue light that starts from the top of active thunderstorm clouds and proceeds upwards. Also called reverse lightning.

blue jet
A conical discharge of blue light that starts from the top of active thunderstorm clouds and proceeds upward. Blue jets can last up to several hundred milliseconds and are believed to connect the top of a thundercloud with the ionosphere.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.blue jet - atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
atmospheric electricity - electrical discharges in the atmosphere


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9 SHANK G ANHYDROUS APPLICATOR N/A G 14 shank NH3 applicator, Blue Jet valve N/A F 12R NH3 12-knive applicator N/A G NH3 bar N/A G NH3 bar N/A E 13 or 17 knife NH3 bar, spring shank, coulters N/A F 28% NH3, PT, Dickey John monitor N/A G 12R-30 NH3 applicator, Raven 440 monitor Condition ratings: E=Excellent, G=Good, F=Fair, P=Poor; Location sold: NCIL = north-central Illinois, etc.
Scientists say the rare gigantic jets are part of Earth's global electric circuit--which includes the ground, thunderstorms, the ionosphere, blue jets, and even exotic forms of electricity called "sprites" and "elves" (see below).
One scientist presented calculations that showed that a single blue jet, which lasts one-tenth of a second produces more nitric oxide than any other source does in a year.
 
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