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
compound interest
1 ENTRIES FOUND:
compound interest
(noun)
compound interest
noun
compound interest
noun
Britannica Dictionary definition of COMPOUND INTEREST
[
noncount
]
finance
:
interest paid both on the original amount of money and on the interest it has already earned
—
compare
simple interest
ASK THE EDITOR
What is the adjective form of
tourist
?
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
plummet
:
to fall or drop suddenly in amount, value, etc.
Learn More »