billionth   (Sound)

The billionth has 3 Senses.

• billionth
• position 1,000,000,000 in a countable series of things
• 数えられる連続するものの10億番目

• one-billionth, billionth
• one part in a billion equal parts
• 10億分の1

• billionth
• the ordinal number of one billion in counting order
• 順序を数える際の序数10億