variants:
or Apo
plural apos or Apos
Definition of apo
(Entry 1 of 3)
: apolipoprotein
—usually used with a letter or letter and number
APO
abbreviationDefinition of APO (Entry 2 of 3)
army post office
apo-
prefix
variants:
or ap-
Definition of apo- (Entry 3 of 3)
1
: away from : off
aphelion
2
: detached : separate
apogamy
3
: formed from : related to
apomorphine
Test Your Vocabulary
Great Words for Scrabble
-
- Which of the following Q-without-U words means the number five in cards or dice?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share apo
Time Traveler for apo
The first known use of apo was in 1972
See more words from the same year