o

NOUN /oʊ/
1 LETTERS · STARTS WITH O

o is a valid 1-letter word worth 1 points in Scrabble and 1 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
O1
1 =1 PTS
DOUBLE WORD → 2TRIPLE WORD → 3
MEANING

What does o mean?

NOUN · 3 SENSES
1

The blood group whose red cells carry neither the A nor B antigens.

“people with type O blood are universal donors”

2

A nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust.

SYNONYMS
ATOMIC NUMBER 8OXYGEN
3

The 15th letter of the Roman alphabet.

AT THE BOARD

Anagrams of o

SAME TILES, DIFFERENT WORDS

Every anagram above uses exactly the same letters — tap one to see its meaning and score.