Home Forum Dictionary Articles Tutorials Books Directory Share your work


Dictionary » L » Lightning

Lightning

Lightning

1. A discharge of atmospheric electricity, accompanied by a vivid flash of light, commonly from one cloud to another, sometimes from a cloud to the earth. The sound produced by the electricity in passing rapidly through the atmosphere constitutes thunder.

2. The act of making bright, or the state of being made bright; enlightenment; brightening, as of the mental powers. Ball lightning, a rare form of lightning sometimes seen as a globe of fire moving from the clouds to the earth. Chain lightning, lightning in angular, zigzag, or forked flashes. Heat lightning, more or less vivid and extensive flashes of electric light, without thunder, seen near the horizon, especially. at the close of a hot day. Lightning arrester, a luminous beetle. See firefly. Lightning conductor, a lightning rod. Lightning glance, a quick, penetrating glance of a brilliant eye. Lightning rod, a metallic rod set up on a building, or on the mast of a vessel, and connected with the earth or water below, for the purpose of protecting the building or vessel from lightning. Sheet lightning, a diffused glow of electric light flashing out from the clouds, and illumining their outlines. The appearance is sometimes due to the reflection of light from distant flashes of lightning by the nearer clouds.

Origin: For lightening, fr. Lighten to flash.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Newbie question about the first life

... that happened, there had to be the kind of monomers (simple molecules) that earthly life needs and that electric discharges in the atmosphere (lightning) helped to put together (also UV radiation, radiation issuing from radioactive elements in exposed rocks and shock waves caused by lightning ...

See entire post
by piscilactovegetarian
Tue Feb 25, 2014 10:21 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 714

Newbie question about the first life

... they let sparks fly in it and they managed to synthesize several compounds that you need in order to create life. The conclusion was that lightning had done the same thing in the primitive Earth.

See entire post
by piscilactovegetarian
Sun Feb 16, 2014 8:57 pm
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 714

Re: The general theory of origin of life

... space" allows to understand and describe the long series of physical phenomena on a single platform. Trajectory of movement electrons and the lightning, the mechanism of gravitational attraction, the nature and structure of the force fields (electric and magnetic), the structure of the atomic ...

See entire post
by leniel
Mon May 06, 2013 7:55 pm
 
Forum: General Discussion
Topic: The general theory of origin of life
Replies: 13
Views: 10163

Is there an insect that behaves this way?

... around. Maybe flitting isn't the right word. It is more of a very straight, fast moving green streak. The color is pretty much the same as a lightning bug but this doesn't seem to behave like any lightning bug I've ever seen. Lightning bugs are kind of slow and to me just seem to wander around. ...

See entire post
by sushiboy
Sun Jul 29, 2012 10:07 pm
 
Forum: General Discussion
Topic: Is there an insect that behaves this way?
Replies: 6
Views: 2801

Re:

... ions. If solar activity can generate positive ions naturally, then it wouldn't be too absurd to suggest negative ions could occur naturally. Given lightning typically has a negative charge and is formed naturally, we can infer natural negative ions can occur (especially if the polarisation of charges ...

See entire post
by JoshuaFlynn
Thu May 31, 2012 1:18 pm
 
Forum: Human Biology
Topic: Electromagnetic fields generated by the human body
Replies: 36
Views: 136382
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 6,881 times. 
What links here | Related changes | Permanent link