milliardth

English

English numbers (edit)
 ←  1,000,000 (106) [a], [b] ←  100,000,000 (108) 1,000,000,000 (109) 1012  → [a], [b] 1015  → [a], [b]
    Cardinal: billion, milliard, thousand million
    Ordinal: billionth, milliardth, thousand-millionth
    Multiplier: billionfold, milliardfold, thousand-millionfold
    Metric collective prefix: giga-
    Metric fractional prefix: nano-
    Number of years: giga-annum, gigayear

Etymology

From milliard +‎ -th (ordinal suffix).

Adjective

milliardth (not comparable)

  1. (now rare) The ordinal form of the number one milliard.

Noun

milliardth (plural milliardths)

  1. (now rare) The person or thing in the milliardth position.
  2. (now rare) One of a milliard equal parts of a whole.