luminousness
透光率
透光率
luminousness n 1 :
the quality of being luminous ;
emitting or reflecting light ; "
its luminosity is measured relative to that of our sun " [
synonym : {
luminosity }, {
brightness }, {
brightness level },
{
luminance }, {
luminousness }, {
light }]
luminousness \
lu "
mi *
nous *
ness \
n .
the quality of being luminous ;
emitting or reflecting light .
Syn :
luminosity ,
luminance ,
light .
[
WordNet 1 .
5 ]
Luminous \
Lu "
mi *
nous \,
a . [
L .
luminosus ,
fr .
lumen light :
cf .
F .
lumineux .
See {
Luminary }, {
Illuminate }.]
[
1913 Webster ]
1 .
Shining ;
emitting or reflecting light ;
brilliant ;
bright ;
as ,
the is a luminous body ;
a luminous color .
[
1913 Webster ]
Fire burneth wood ,
making it . . .
luminous .
--
Bacon .
[
1913 Webster ]
The mountains lift . . .
their lofty and luminous heads . --
Longfellow .
[
1913 Webster ]
2 .
Illuminated ;
full of light ;
bright ;
as ,
many candles made the room luminous .
[
1913 Webster ]
Up the staircase moved a luminous space in the darkness . --
Longfellow .
[
1913 Webster ]
3 .
Enlightened ;
intelligent ;
also ,
clear ;
intelligible ;
as ,
a luminous mind . "
Luminous eloquence ." --
Macaulay . "
A luminous statement ." --
Brougham .
[
1913 Webster ]
{
Luminous paint },
a paint made up with some phosphorescent substance ,
as sulphide of calcium ,
which after exposure to a strong light is luminous in the dark for a time .
[
1913 Webster ]
Syn :
Lucid ;
clear ;
shining ;
perspicuous .
[
1913 Webster ] -- {
Lu "
mi *
nous *
ly },
adv . --
{
Lu "
mi *
nous *
ness },
n .
[
1913 Webster ]
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