1. Abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light 
2. The flash of light that accompanies an electric discharge in the atmosphere (or something resembling such a flash); can scintillate for a second or more

Derived forms: lightnings

Type of: atmospheric electricity, flash

Encyclopedia: Lightning Lightning, Tampa Bay

• genus Fusanus
• genus Fusarium
• genus Fuscoboletinus
• genus Gadus
• genus Gaillardia
• genus Galago
• genus Galax
• genus Galega
• genus Galeocerdo
• genus Galeopsis
• genus Galeorhinus
• genus Galictis
• genus Galium
• genus Galleria
• genus Gallinago
• genus Gallinula
• genus Gallirallus
• genus Gallus
• genus Gambelia
• genus Gambusia
• genus Garcinia
• genus Gardenia
• genus Garrulus
• genus Gasterophilus
• genus gasterosteus