| / English Dictionary |
VOLT
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it
Synonyms:
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("volt" is a kind of...):
potential unit (a measure of the potential energy of a unit charge at a given point in a circuit relative to a reference point (ground))
Meronyms (parts of "volt"):
abvolt (a unit of potential equal to one-hundred-millionth of a volt)
millivolt; mV (a unit of potential equal to one thousandth of a volt)
microvolt (a unit of potential equal to one millionth of a volt)
nanovolt (a unit of potential equal to one billionth of a volt)
picovolt (a unit of potential equal to one trillionth of a volt)
femtovolt (a unit of potential equal to one quadrillionth of a volt (or one thousandth of a nanosecond))
Holonyms ("volt" is a part of...):
kilovolt; kV (a unit of potential equal to a thousand volts)
Derivation:
voltaic (pertaining to or producing electric current by chemical action)
Context examples:
On Sept. 22, 2017, scientists using IceCube detected signs of a neutrino striking the Antarctic ice with energy of about 300 trillion electron volts—more than 45 times the energy achievable in the most powerful particle accelerator on Earth.
(NASA’s Fermi Traces Source of Cosmic Neutrino to Monster Black Hole, NASA)
This is 10 to 30 times higher than the largest auroral potentials observed at Earth, where only several thousands of volts are typically needed to generate the most intense auroras — known as discrete auroras — the dazzling, twisting, snake-like northern and southern lights seen in places like Alaska and Canada, northern Europe, and many other northern and southern polar regions.
(Jupiter's Auroras Present a Powerful Mystery, NASA)
A SI unit of capacitance equal to the capacitance of a capacitor having an equal and opposite charge of one coulomb on each plate and a potential difference of one volt between the plates.
(Farad, NCI Thesaurus)
The EU recommends a maximum of 41.25 volts/metre.
(Health threats caused by mobile phone radiation, EUROPARL TV)
Powerful solar eruptions could electrically charge areas of the Martian moon Phobos to hundreds of volts, presenting a complex electrical environment that could possibly affect sensitive electronics carried by future robotic explorers, according to a new NASA study.
(Solar Eruptions Could Electrify Martian Moons, NASA)
Examining data collected by the ultraviolet spectrograph and energetic-particle detector instruments aboard the Jupiter-orbiting Juno spacecraft, a team led by Barry Mauk of the Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, observed signatures of powerful electric potentials, aligned with Jupiter's magnetic field, that accelerate electrons toward the Jovian atmosphere at energies up to 400,000 electron volts.
(Jupiter's Auroras Present a Powerful Mystery, NASA)
Measurement: 0.6-1 volt/metre we're at about 100m from the antenna behind me.
(Health threats caused by mobile phone radiation, EUROPARL TV)
I think we will carry on fighting, because I feel it is our duty to do so, But I think we should set the EU limit at 3 volts/metre.
(Health threats caused by mobile phone radiation, EUROPARL TV)
Some countries are more cautious, Belgium and Greece have set this limit at 3 volts/metre.
(Health threats caused by mobile phone radiation, EUROPARL TV)
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