fiftieth

American  

[fif-tee-ith] / ˈfɪf ti ɪθ /

adjective

1. next after the forty-ninth; being the ordinal number for 50.

2. being one of 50 equal parts.

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noun

• fiftieths
  plural

1. a fiftieth part, especially of one (1/50).

2. the fiftieth member of a series.

fiftieth British  

/ ˈfɪftɪɪθ /

adjective

1. 1. being the ordinal number of fifty in order, position, time, etc. Often written: 50th

   2. ( as noun )

      the fiftieth in the series

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noun

1. 1. one of 50 equal or approximately equal parts of something

   2. ( as modifier )

      a fiftieth part

2. the fraction equal to one divided by 50 ( 1/ 50 )

Other Word Forms

Noun Inflected Forms

• fiftieths
  plural

Etymology

Origin of fiftieth

before 1000; Middle English fiftithe, Old English fīftigotha. See fifty, -th ²

Example Sentences

See Examples For:

fiftieth fiftieths

It weighs less than one fiftieth of a gram; significantly less than current state-of-the-art pacemakers, which weigh at least five grams.

From Science Daily ● Feb. 21, 2024

As it celebrates its fiftieth anniversary, the WTA is hoping the new partnership will increase the profile of women's tennis as well as commercial growth and the size of broadcast deals.

From BBC ● Mar. 7, 2023

My parents will be having their fiftieth wedding anniversary this year.

From Slate ● Feb. 3, 2023

McCartney, who first performed at Glastonbury in 2004, had been due to take part in the fiftieth anniversary edition of the festival in 2020 before it was cancelled because of the COVID-19 pandemic.

From Reuters ● Jun. 25, 2022

On an expedition to Greenland in 1930, he set out alone, on his fiftieth birthday, to check out a supply drop.

From "A Short History of Nearly Everything" by Bill Bryson

One reason to feel glad to be nearly done with this round of fiftieths is that we will no longer be subjected, constantly, to generalizations about the baby-boom generation.

From The New Yorker ● Aug. 18, 2019

In 1864, in a debate on a private member’s bill for extending the suffrage, he declared that the burden of proof lay on those “who would exclude forty-nine fiftieths of the working-classes from the franchise.”

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1 "Gichtel, Johann" to "Glory" by Various

This tube is very narrow and is divided into fiftieths of a cubic centimeter.

From Scientific American Supplement, No. 613, October 1, 1887 by Various

The thermometers are graduated from 0° to 12° C. or from 8° to 20° C. and each degree is divided into fiftieths.

From Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man by Francis Gano Benedict

Forty-nine fiftieths of the inhabitants of the kingdom, forty-nine fiftieths of the property of the kingdom, almost all the political, legal, and military ability and knowledge to be found in the kingdom, were Protestant.

From The History of England, from the Accession of James II — Volume 2 by Thomas Babington Macaulay, Baron Macaulay