millionth

definition: the ordinal number of one million in counting order
example:
speech part: adjective
synonyms:
definition: one part in a million equal parts
example:
speech part: noun
synonyms: one-millionth
definition: position 1,000,000 in a countable series of things
example:
speech part: noun
synonyms:

millionth is explained and pronounced

How millionth is being used?