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Adjective: thousandth  thaw-zundth
  1. The ordinal number of one thousand in counting order
    - 1000th
Noun: thousandth  thaw-zundth
  1. Position 1,000 in a countable series of things
  2. One part in a thousand equal parts
    - one-thousandth

Derived forms: thousandths

See also: ordinal

Type of: common fraction, rank, simple fraction, vulgar fraction [Brit]

Encyclopedia: Thousandth