THOUSANDTH
thousandth, th
(adjective) the ordinal number of one thousand in counting order
thousandth, one-thousandth
(noun) one part in a thousand equal parts
thousandth
(noun) position 1,000 in a countable series of things
Source: WordNet® 3.1
Etymology
Adjective
thousandth (not comparable)
The ordinal numeral form of one thousand; last in order of a series of a thousand; next after the nine hundred and ninety-ninth.
Noun
thousandth (plural thousandths)
(singular only) The person or thing in the thousandth position.
One of a thousand equal parts of a whole.
Source: Wiktionary
Thou"sandth, a.
1. Next in order after nine hundred and ninty-nine; coming last of a
thousand successive individuals or units; -- the ordinal of thousand;
as, the thousandth part of a thing.
2. Constituting, or being one of, a thousand equal parts into which
anything is divided; the tenth of a hundredth.
3. Occurring as being one of, or the last one of, a very great
number; very small; minute; -- used hyperbolically; as, to do a thing
for the thousandth time.
Thou"sandth, n.
Definition: The quotient of a unit divided by a thousand; one of a thousand
equal parts into which a unit is divided.
Source: Webster’s Unabridged Dictionary 1913 Edition