Català > llum: 8 sentits > nom 1, phenomenonSentit | (physics) electromagnetic radiation that can produce a visual sensation. |
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Categoria | física | The science of matter and energy and their interactions |
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Específic | celístia, llum de les estrelles | The light of the stars |
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claror del dia, llum del dia | light during the daytime |
corona solar | One or more circles of light seen around a luminous object |
crepuscle | The diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth |
estel fugaç, estrella fugaç, meteor | A streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode |
fluorescència | light emitted during absorption of radiation of some other (invisible) wavelength |
foc follet | A pale light sometimes seen at night over marshy ground |
gegenschein | A faint spot of light in the night sky that appears directly opposite the position of the sun |
incandescència | The phenomenon of light emission by a body as its temperature is raised |
llum de gas | light yielded by the combustion of illuminating gas |
llum de la lluna, llum de lluna | The light of the Moon |
llum del sol, llum solar, sol | The rays of the sun |
luminescència | light not due to incandescence / incandescence |
penombra | A greyish light (as at dawn or dusk or in dim interiors) |
raig | A column of light (as from a beacon) |
resplendor | The amount of electromagnetic radiation leaving or arriving at a point on a surface |
General | raig actínic | electromagnetic radiation that can produce photochemical reactions |
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Anglès | light, visible light, visible radiation |
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Espanyol | luz, luz visible, radiación visible |
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Verbs | enllumenar, il·luminar | make lighter or brighter |
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Català > llum: 8 sentits > nom 3, artifactSentit | An artificial source of visible illumination. |
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Sinònim | làmpada |
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Específic | candela, espelma | stick of wax with a wick in the middle |
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cresol, llàntia, llum d'oli, llumenera, quinqué | A lamp that burns oil (as kerosine) for light |
fanal, farola, faró | A lamp supported on a lamppost |
flaix, flash | A lamp for providing momentary light to take a photograph |
focus, llum de projecció, projector | A lamp that produces a strong beam of light to illuminate a restricted area |
llanterna | light in a transparent protective case |
llum d'Aladí | (Arabian Nights) a magical lamp from which Aladdin summoned a genie |
llum d'alcohol | A lamp that burns a volatile liquid fuel such as alcohol |
llum de calç | A lamp consisting of a flame directed at a cylinder of lime with a lens to concentrate the light |
llum de gas | A lamp that burns illuminating gas |
llum de neó | A lamp consisting of a small gas-discharge tube containing neon at low pressure |
llum elèctrica | A lamp powered by electricity |
llum fluorescent | lamp consisting of a tube coated on the inside with a fluorescent material |
llum posterior | lamp (usually red) mounted at the rear of a motor vehicle |
General | llum | Any device serving as a source of visible electromagnetic radiation |
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Anglès | lamp |
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Espanyol | candil, lámpara |
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