millionth
1. [ noun ] position 1,000,000 in a countable series of things
Related terms: rank
2. [ adjective ] the ordinal number of one million in counting order
Related terms: ordinal
3. [ noun ] (mathematics) one part in a million
Synonyms: one-millionth
Related terms: common_fraction
Similar spelling:   milontin
  millimetre
  millimeter