Solar Definition–adjective | 1. | of or pertaining to the sun: solar phenomena. | | 2. | determined by the sun: solar hour. | | 3. | proceeding from the sun, as light or heat. | | 4. | utilizing, operated by, or depending on solar energy: a solar building; a solar stove. | | 5. | indicating time by means of or with reference to the sun: a solar chronometer. | | 6. | manufacturing or providing solar power: the solar industry. | | 7. | Astrology. subject to the influence of the sun. | –noun |
From Dictionary
Light Definition–noun | 1. | something that makes things visible or affords illumination: All colors depend on light. | | 2. | Physics. | a. | Also called luminous energy, radiant energy. electromagnetic radiation to which the organs of sight react, ranging in wavelength from about 400 to 700 nm and propagated at a speed of 186,282 mi./sec (299,972 km/sec), considered variously as a wave, corpuscular, or quantum phenomenon. | | b. | a similar form of radiant energy that does not affect the retina, as ultraviolet or infrared rays. | | | 3. | the sensation produced by stimulation of the organs of sight. | | 4. | an illuminating agent or source, as the sun, a lamp, or a beacon. | | 5. | the radiance or illumination from a particular source: the light of a candle. | | 6. | the illumination from the sun; daylight: We awoke at the first light. | | 7. | daybreak or dawn: when light appeared in the east. | | 8. | daytime: Summer
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has more hours of light. | | 9. | a particular light or illumination in which an object seen takes on a certain appearance: viewing the portrait in dim light. | | 10. | a device for or means of igniting, as a spark, flame, or match: Could you give me a light? | | 11. | a traffic light: Don't cross till the light changes. | | 12. | the aspect in which a thing appears or is regarded: Try to look at the situation in a more cheerful light. | | 13. | the state of being visible, exposed to view, or revealed to public notice or knowledge; limelight: Stardom has placed her in the light. | | 14. | a person who is an outstanding leader, celebrity, or example; luminary: He became one of the leading lights of Restoration drama. | | 15. | Art. | a. | the effect of light falling on an object or scene as represented in a picture. | | b. | one of the brightest parts of a picture. | | | 16. | a gleam or sparkle, as in the eyes. | | 17. | a measure or supply of light; illumination: The wall cuts off our light. | | 18. | spiritual illumination or awareness; enlightenment. | | 19. | Architecture. | a. | Also called day. one compartment of a window or window sash. | | b. | a window, esp. a small one. | | | 20. | mental insight; understanding. | | 21. | lights, the information, ideas, or mental capacities possessed: to act according to one's lights. | | 23. | Archaic. the eyesight. | –adjective | 24. | having light or illumination; bright; well-lighted: the lightest room in the entire house. | | 25. | pale, whitish, or not deep or dark in color: a light blue. | | 26. | (of coffee or tea) containing enough milk or cream to produce a light color. | –verb (used with object) | 27. | to set burning, as a candle, lamp, fire, match, or cigarette; k
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indle; ignite. | | 28. | to turn or switch on (an electric light): One flick of the master switch lights all the lamps in the room. | | 29. | to give light to; furnish with light or illumination: The room is lighted by two large chandeliers. | | 30. | to make (an area or object) bright with or as if with light (often fol. by up): Hundreds of candles lighted up the ballroom. | | 31. | to cause (the face, surroundings, etc.) to brighten, esp. with joy, animation, or the like (often fol. by up): A smile lit up h
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er face. Her presence lighted up the room. | | 32. | to guide or conduct with a light: a candle to light you to bed. | –verb (used without object) | 33. | to take fire or become kindled: The damp wood refused to light. | | 34. | to ignite a cigar, cigarette, or pipe for purposes of smoking (usually fol. by up): He took out a pipe and lighted up before speaking. | | 35. | to become illuminated when switched on: This table lamp won't light. | | 36. | to become bright, as with light or color (often fol. by up): The sky lights up at sunset. | | 37. | to brighten with animation or joy, as the face or eyes (often fol. by up). | —Idioms | 38. | bring to light, to discover or reveal: The excavations brought to light the remnants of an ancient civilization. | | 39. | come to light, to be discovered or revealed: Some previously undiscovered letters have lately come to light. | | 40. | hide one's light under a bushel, to conceal or suppress one's talents or successes. | | 41. | in a good (or bad) light, under favorable (or unfavorable) circumstances: She worshiped him, but then she'd only seen him in a good light. | | 42. | in (the) light of, taking into account; because of; considering: It was necessary to review the decision in the light of recent developments. | | 43. | light at the end of the tunnel, a prospect of success, relief, or redemption: We haven't solved the problem yet, but we're beginning to see light at the end of the tunnel. | | 44. | see the light, | a. | to come into existence or being. | | c. | to begin to accept or understand a point of view one formerly opposed: Her father was opposed to her attending an out-of-town college, but he finally saw the light. | | | 45. | shed or throw light on, to clarify; clear up: His deathbed confession threw light on a mystery of long standing. | |
From Dictionary
Related topics from Britannicasolar heating
the use of sunlight to heat water or air in buildings. There are two types of solar heating, passive and active.solar energy
radiation from the Sun capable of producing heat, causing chemical reactions, or generating electricity. The Sun is an extremely powerful energy source, and sunlight is by far the largest source of ...
solar radiation
electromagnetic radiation, including X-rays, ultraviolet and infrared radiation, and radio emissions, as well as visible light, emanating from the Sun. Of the 3.8 1033 ergs emitted by the Sun every ...
solar cell
any device that directly converts the energy in light into electrical energy through the photovoltaic effect. The overwhelming majority of solar cells are fabricated from silicon-with increasing ...
solar constant
the total radiation energy received from the Sun per unit of time per unit of area on a theoretical surface perpendicular to the Sun's rays and at Earth's mean distance from the Sun. It is most ...
solar flare
sudden intense brightening of a small part of the Sun's chromosphere, usually in the vicinity of a magnetic inversion near a sunspot group. The flare develops in a few minutes, or even seconds, and ...
Solar and Heliospheric Observatory
satellite managed jointly by the European Space Agency (ESA) and the U.S. National Aeronautics and Space Administration (NASA) that is equipped with a battery of novel instruments to study the Sun.climate change
The luminosity, or brightness, of the Sun has been increasing steadily since its formation. This phenomenon is important to Earth's climate, because the Sun provides the energy to drive atmospheric ...
Milky Way Galaxy
Solar motion is defined as the calculated motion of the Sun with respect to a specified reference frame. In practice, calculations of solar motion provide information not only on the Sun's motion ...
parallax
The basic method used for determining solar parallax is the determination of trigonometric parallax. In accordance with the law of gravitation, the relative distances of the planets from the Sun are ...
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