BILLIONTH 'Billionth' refers to the ordinal number that comes after 999,999,999, with the root meaning of 'billion' denoting one thousand million.
Word: BILLIONTH
Length: 9 letters
Dictionary: Valid in TWL and SOWPODS
Status: Official Scrabble word
The word BILLIONTH can be used in various contexts. As a valid Scrabble word, it can be played on the Scrabble board according to standard game rules.