The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
light pollution
1 ENTRIES FOUND:
light pollution
(noun)
light pollution
noun
light pollution
noun
Britannica Dictionary definition of LIGHT POLLUTION
[
noncount
]
:
light from cities, vehicles, etc., that makes it difficult to see things in the sky (such as stars) at night
ASK THE EDITOR
Is it correct to say "One dog and one cat
were
lying on the sofa"?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
framework
:
the basic structure of something
Learn More »