- 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.
- a similar form of radiant energy that does not affect the retina, as ultraviolet or infrared rays.
- the effect of light falling on an object or scene as represented in a picture.
- one of the brightest parts of a picture.
- Also called day. one compartment of a window or window sash.
- a window, especially a small one.
adjective, light·er, light·est.
verb (used with object), light·ed or lit, light·ing.
verb (used without object), light·ed or lit, light·ing.
Words nearby light
Idioms for light
- to come into existence or being.
- to be made public.
- 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.
Origin of light1
OTHER WORDS FROM lightlight·ful, adjectivelight·ful·ly, adverb
British Dictionary definitions for light at the end of the tunnel (1 of 3)
British Dictionary definitions for light at the end of the tunnel (2 of 3)
- illumination from the sun during the day; daylight
- the time this appears; daybreak; dawn
- the act of igniting or kindling something, such as a cigarette
- something that ignites or kindles, esp in a specified manner, such as a spark or flame
- something used for igniting or kindling, such as a match
- the effect of illumination on objects or scenes, as created in a picture
- an area of brightness in a picture, as opposed to shade
- to gain sudden insight into or understanding of something
- to experience a religious conversion
- to come into being
- to come to public notice
- (verb) to ignite something, esp a match, by friction
- (interjection) British an exclamation of surprise
verb lights, lighting, lighted or lit (lɪt)
Derived forms of lightlightish, adjectivelightless, adjective
Word Origin for light
British Dictionary definitions for light at the end of the tunnel (3 of 3)
- designed to carry light loads
- not loaded
- (of a bid) made on insufficient values
- (of a player) having failed to take sufficient tricks to make his contract
verb lights, lighting, lighted or lit (lɪt) (intr)
Derived forms of lightlightish, adjectivelightly, adverblightness, noun
Word Origin for light
Medicine definitions for light at the end of the tunnel
Science definitions for light at the end of the tunnel
Culture definitions for light at the end of the tunnel
Idioms and Phrases with light at the end of the tunnel (1 of 2)
The end of a difficult situation or task, the solution to a difficult problem. For example, It's taken three years to effect this merger, but we're finally seeing the light at the end of the tunnel. This metaphoric expression dates from the 1800s, but became widespread only in the mid-1900s.
Idioms and Phrases with light at the end of the tunnel (2 of 2)
In addition to the idioms beginning with light
- light a fire under
- light as a feather
- light at the end of the tunnel
- light dawned, the
- lighten up
- light heart
- light into
- lightning never strikes twice in the same place
- light on
- light out
- light up
- begin to see daylight (see the light of day)
- bring to light
- come to light
- go light on
- green light
- heavy (light) heart
- hide one's light
- in a good (bad) light
- in the cold light of day
- in the light of
- lace (light) into
- leading light
- make light of
- many hands make light work
- once over lightly
- out cold (like a light)
- see the light
- shed light on
- sweetness and light
- travel light
- trip the light fantastic