1. (fysiikka) sähkö, sähköoppi

Liittyvät sanat: electrify




sähköisyys Originally, a property of amber and certain other nonconducting substances to attract lightweight material when rubbed, or the cause of this property; now understood to be a phenomenon caused by the distribution and movement of charged subatomic particles and their interaction with the electromagnetic field. (defdate)
1646, (w), Pseudodoxia Epidemica, 1st edition, p. 51:

The concretion of Ice will not endure a dry attrition without liquation; for if it be rubbed long with a cloth, it melteth. But Crystal will calefie unto electricity; that is, a power to attract strawes and light bodies, and convert the needle freely placed.
1747, (w), letter, 28 Jul 1747:
Restoring the equilibrium in the bottle does not at all affect the Electricity in the man.
1837, William Leithead, Electricity, p. 5:
Attraction, then, is the first phenomenon that arrests our attention, and it is one that is constantly attendant on excitation. It is therefore considered a sure indicator of the presence of electricity in an active state, and forms the basis of all its tests.
1873, (w), s:A Treatise on Electricity and Magnetism/Part I/Chapter II|A Treatise on Electricity and Magnetism:
We may express all these results in a concise and consistent manner by describing an electrified body as charged with a certain quantity of electricity, which we may denote by e.
2011, Jon Henley, The Guardian, 29 Mar 2011:
How does it work, though? It's based on the observation made some 200 years ago that electricity can change the shape of flames.
The study of electrical phenomena; the branch of science dealing with such phenomena. (defdate)
A feeling of excitement; a thrill. (defdate)


(quote-journal)|date=28 September 2016|passage=The electricity was crackling around Celtic Park even before a ball had been kicked, the home crowd unleashing noise and colour and every ounce of passion in their bodies on the visitors.
Electric power/energy as used in homes etc., supplied by power stations or generators. (defdate)
2000, James Meek, http://www.guardian.co.uk/renewable/Story/0,2763,363461,00.html Home-made answer to generating electricity harks back to the past, The Guardian:
Householders could one day be producing as much electricity as all the country's nuclear power stations combined, thanks to the revolutionary application of a device developed in the early 19th century.


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