Word Games Pro Dictionary
billionth
adjective
noun
the ordinal number of one billion in counting order
Quick reference
Word Facts
- Word length
- 9
- Starts with
- B
- Ends with
- H
- Contains
- ILLIONT
- Scrabble score
- 14
- Database source
- OEWN 2025 Core
How it sounds
Pronunciation
ˈbɪl.i.ənθ
Meaning
Definitions
adjective
the ordinal number of one billion in counting order
noun
one part in a billion equal parts
noun
position 1,000,000,000 in a countable series of things