millonésima 130
millionth . ( Of millionth ). 1. f. Each of the equal parts of a unit divided in a million of them. A millionth of meter is a micron. millionth , ma . 1. adj. He said each 1 million equal parts which divides a whole. U t. c. s. 2. adj. That it ranks in a series which precedes n 999 999 places.