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
diurnal
1 ENTRIES FOUND:
diurnal
(adjective)
diurnal
/daɪ
ˈ
ɚnl̟/
adjective
diurnal
/daɪ
ˈ
ɚnl̟/
adjective
Britannica Dictionary definition of DIURNAL
technical
1
:
active mainly during the day
diurnal
animals
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
—
opposite
nocturnal
2
:
happening every day
diurnal
tides
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
What does "yield" mean?
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
diverge
:
to split and move out in different directions from a single point
Learn More »