Noun
visible light -
(physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"
light ,
visible radiation
actinic radiation ,
actinic ray electromagnetic radiation that can produce photochemical reactions
electromagnetic spectrum the entire frequency range of electromagnetic waves
natural philosophy ,
physics the science of matter and energy and their interactions; "his favorite subject was physics"
beam of light ,
light beam ,
ray of light ,
shaft of light ,
irradiation ,
beam ,
ray ,
shaft (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
candle flame ,
candlelight the light provided by a burning candle
corona a long cigar with blunt ends
counterglow ,
gegenschein a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space
daylight light during the daytime
firelight the light of a fire (especially in a fireplace)
fluorescence light emitted during absorption of radiation of some other (invisible) wavelength
friar's lantern ,
ignis fatuus ,
jack-o'-lantern ,
will-o'-the-wisp a pale light sometimes seen at night over marshy ground
gaslight light yielded by the combustion of illuminating gas
glowing ,
radiance ,
glow the quality of being bright and sending out rays of light
glow a feeling of considerable warmth; "the glow of new love" ; "a glow of regret"
half-light a greyish light (as at dawn or dusk or in dim interiors)
incandescence ,
glow light from heat
lamplight light from a lamp
luminescence light from nonthermal sources
shooting star ,
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
moonlight ,
moonshine ,
moon the light of the Moon; "moonlight is the smuggler's enemy" ; "the Moon was bright enough to read by"
starlight the light of the stars
sunlight ,
sunshine ,
sun the rays of the sun; "the shingles were weathered by the sun and wind"
scintillation the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight
streamer a newspaper headline that runs across the full page
torchlight light from a torch or torches
