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
microsecond
1 ENTRIES FOUND:
microsecond
(noun)
microsecond
/
ˈ
maɪkroʊˌsɛkənd/
noun
plural
microseconds
microsecond
/
ˈ
maɪkroʊˌsɛkənd/
noun
plural
microseconds
Britannica Dictionary definition of MICROSECOND
[
count
]
1
:
one millionth of a second
2
informal
:
a very short period of time
She raised her hand a
microsecond
[=
second
] too late.
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
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
expensive
:
costing a lot of money
Learn More »