- light
-
I. noun
Etymology: Middle English, from Old English lēoht; akin to Old High German lioht light, Latin luc-, lux light, lucēre to shine, Greek leukos white
Date: before 12th century
1.
a. something that makes vision possible
b. the sensation aroused by stimulation of the visual receptors
c. electromagnetic radiation of any wavelength and traveling in a vacuum with a speed of about 186,281 miles (300,000 kilometers) per second; specifically such radiation that is visible to the human eye
2.
a. daylight
b. dawn
3. a source of light: as
a. a celestial body
b. candle
c. an electric light
4. archaic sight 4a
5.
a. spiritual illumination
b. inner light
c. enlightenment
d. truth
6.
a. public knowledge <facts brought to light> b. a particular aspect or appearance presented to view <saw the matter in a different light> 7. a particular illumination 8. something that enlightens or informs <shed some light on the problem> 9. a medium (as a window) through which light is admitted 10. plural a set of principles, standards, or opinions <worship according to one's lights — Adrienne Koch> 11. a noteworthy person in a particular place or field <a leading light among current writers> 12. a particular expression of the eye 13. a. lighthouse, beacon b. traffic light 14. the representation of light in art 15. a flame for lighting something (as a cigarette) II. adjective Date: before 12th century 1. having light ; bright <a light airy room> 2. a. not dark, intense, or swarthy in color or coloring ; pale b. of colors medium in saturation and high in lightness <light blue> 3. of coffee served with extra milk or cream III. verb (lit or lighted; lighting) Date: before 12th century intransitive verb 1. to become light ; brighten — usually used with up <her face lit up> 2. to take fire 3. to ignite something (as a cigarette) — often used with up transitive verb 1. to set fire to 2. a. to conduct with a light ; guide b. illuminate <rockets light up the sky> c. animate, brighten <a smile lit up her face> IV. adjective Etymology: Middle English, from Old English lēoht; akin to Old High German līhti light, Latin levis, Greek elachys small Date: before 12th century 1. a. having little weight ; not heavy b. designed to carry a comparatively small load <a light truck> c. having relatively little weight in proportion to bulk <aluminum is a light metal> d. containing less than the legal, standard, or usual weight <a light coin> 2. a. of little importance ; trivial b. not abundant <light rain> <a light lunch> 3. a. easily disturbed <a light sleeper> b. exerting a minimum of force or pressure ; gentle <a light touch> c. resulting from a very slight pressure ; faint <light print> 4. a. easily endurable <a light illness> b. requiring little effort <light work> 5. capable of moving swiftly or nimbly <light on his feet> 6. a. frivolous 1a <light conduct> b. lacking in stability ; changeable <light opinions> c. sexually promiscuous 7. free from care ; cheerful 8. less powerful but usually more mobile than usual for its kind <light cavalry> <a light cruiser> 9. a. made with a lower calorie content or with less of some ingredient (as salt, fat, or alcohol) than usual <light beer> <light salad dressing> b. having a relatively mild flavor 10. a. easily digested <a light soup> b. well leavened <a light crust> 11. coarse and sandy or easily pulverized <light soil> 12. dizzy, giddy <felt light in the head> 13. intended chiefly to entertain <light verse> <light comedy> 14. a. carrying little or no cargo <the ship returned light> b. producing goods for direct consumption by the consumer <light industry> 15. not bearing a stress or accent <a light syllable> 16. having a clear soft quality <a light voice> 17. being in debt to the pot in a poker game <three chips light> 18. short 5d <light on experience> 19. casual, occasional <a light smoker> Synonyms: see easy • lightish adjective V. adverb Date: before 12th century 1. lightly 2. with little baggage <travel light> VI. intransitive verb (lit or lighted; lighting) Etymology: Middle English, from Old English līhtan; akin to Old English lēoht light in weight Date: before 12th century 1. dismount 2. settle, alight <a bird lit on the lawn> 3. to fall unexpectedly — usually used with on or upon 4. to arrive by chance ; happen — usually used with on or upon <lit upon a solution>
New Collegiate Dictionary. 2001.