twentieth

American  

[twen-tee-ith, twuhn-] / ˈtwɛn ti ɪθ, ˈtwʌn- /

adjective

1. next after the nineteenth; being the ordinal number for 20.

2. being one of 20 equal parts.

---

noun

1. a twentieth part, especially of one (1/20).

2. the twentieth member of a series.

ˈtwentieth British  

/ ˈtwɛntɪɪθ /

adjective

1. (usually prenominal)

   1. coming after the nineteenth in numbering or counting order, position, time, etc; being the ordinal number of twenty: often written 20th

   2. ( as noun )

      he left on the twentieth

---

noun

1. 1. one of 20 approximately equal parts of something

   2. ( as modifier )

      a twentieth part

2. the fraction that is equal to one divided by 20 ( 1/ 20 )

Etymology

Origin of twentieth

before 900; Middle English twentithe, Old English twentigotha. See twenty, -eth ²

Example Sentences

The authors attribute this rapid progress to close collaboration among universities, government agencies, and industry, the same mix of partnerships that helped microelectronics mature in the twentieth century.

From Science Daily

Television defined the last half of the twentieth century, outperforming all other mass media combined.

From Los Angeles Times

By the twentieth century, the idea of Western civilization had taken hold in the U.S., which had earlier sought to distinguish itself from the Old World.

From The Wall Street Journal

One Pfizer medical director referred to the drug as the “‘snake oil’ of the twentieth century” in an email later made public.

From The Wall Street Journal

“I can’t believe I’m going to ride in an actual car from the twentieth century!” he said, peeking through Eloise’s windows.

From Literature