thousandth

American  

[thou-zuhndth, -zuhntth, -zuhnth] / ˈθaʊ zəndθ, -zəntθ, -zənθ /

adjective

1. last in order of a series of a thousand.

2. being one of a thousand equal parts.

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noun

1. a thousandth part, especially of one (1/1000).

2. the thousandth member of a series.

3. Also thousandth's place (in decimal notation) the position of the third digit to the right of the decimal point.

ˈthousandth British  

/ 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

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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

   millivolt

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

Etymology

Origin of thousandth

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

Example Sentences

There I was, reading the texts for the thousandth time, about to fall asleep, when another message came through.

From Literature

In this environment, the sediment layer grows at a rate of just one thousandth of a millimeter per year.

From Science Daily

It is roughly one thousandth of the time it takes to blink.

From Science Daily

That yielded speed improvements measured in milliseconds—or thousandths of a second.

From The Wall Street Journal

Any parent who has read a “Berenstain Bears” book aloud under duress for the thousandth time will know what I mean.

From The Wall Street Journal