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
millisecond
1 ENTRIES FOUND:
millisecond
(noun)
millisecond
/
ˈ
mɪləˌsɛkənd/
noun
plural
milliseconds
millisecond
/
ˈ
mɪləˌsɛkənd/
noun
plural
milliseconds
Britannica Dictionary definition of MILLISECOND
[
count
]
:
one thousandth of a second
ASK THE EDITOR
What are the differences between British and American English?
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
edible
:
suitable or safe to eat
Learn More »