thousandth

[ thou-zuhndth, -zuhntth, -zuhnth ]

adjective

1. last in order of a series of a thousand.
2. being one of a thousand equal parts.

noun

1. a thousandth part, especially of one (1/1000).
2. the thousandth member of a series.
3. Also thousandth's place. (in decimal notation) the position of the third digit to the right of the decimal point.

ˈthousandth

/ ˈθaʊzənθ /

adjective

1. usually prenominal
   1. being the ordinal number of 1000 in numbering or counting order, position, time, etc
   2. ( as noun )

      the thousandth in succession

noun

1. 1. one of 1000 approximately equal parts of something
   2. ( as modifier )

      a thousandth part

2. one of 1000 equal divisions of a particular scientific quantity milli-

   millivolt

3. the fraction equal to one divided by 1000 ( 1 1000 )

Word History and Origins

Origin of thousandth¹

First recorded in 1545–55; thousand + -th ²

Example Sentences

He was gifted with a superhuman taste sensitivity: He could easily distinguish a flavor at one ten thousandth of a gram in a fifteen ton batch.

From Salon

The show, a staple of the WWE’s TV schedule, has been three hours long since its thousandth episode aired in July 2012.

From BBC

Timekeepers say they found a clear view for the 100 and checked below each image for an exact time down to the thousandths of a second.

From Los Angeles Times

Back then, Britain’s Allan Wells narrowly beat Silvio Leonard in an era when timing didn’t go down into the thousandths of a second.

From Los Angeles Times

A millisecond is a thousandth of a second.

From BBC