释义 |
bil·lionth I. \ˈbilyən(t)th, ˈbiy-\ adjective Etymology: billion + -th 1. : being number one billion in a countable series — see number table 2. : being one of a billion equal parts into which anything is divisible II. noun (plural billionths \-yən(t)s, -yən(t)ths\) 1. : number one billion in a countable series 2. : the quotient of a unit divided by one billion : one of a billion equal parts of anything |