thousandth
Noun pluralthousandths
Pluralthousandths
- 1Coming right after the nine hundred and ninety-ninth, and the last in a group of one thousand.
Like the very last person in a line of one thousand people.
She was the thousandth customer to walk into the store that day.
They marked the thousandth day since the little shop first opened.
- 2One of a thousand equal parts of something.
Like cutting a cake into a thousand equal slices and taking just one.
A millimeter is one thousandth of a meter.
The machinist worked to within a few thousandths of an inch.
- 3The person or thing that comes in at number one thousand in a line or order.
Like being the one-thousandth person to walk through a door.
She was the thousandth through the gate and won a small prize.
The thousandth in line got a free ticket to the show.
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Origin
From "thousand" plus "-th," the ending that makes ordinal numbers.