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Merthyr Tydfil

American  
[mur-ther tid-vil, mer-thir tuhd-vil] / ˈmɜr θər ˈtɪd vɪl, ˈmɛr θɪr ˈtʌd vɪl /

noun

  1. a county in southern Wales. 43 sq. mi. (113 sq. km).

  2. a city in the county of Merthyr Tydfil, in southern Wales.


Merthyr Tydfil British  
/ ˈmɜːθə ˈtɪdvɪl /

noun

  1. a town in SE Wales, in Merthyr Tydfil county borough: formerly an important centre for the mining industry. Pop: 30 483 (2001)

  2. a county borough in SE Wales, created from part of N Mid Glamorgan in 1996. Pop: 55 400 (2003 est). Area: 111 sq km (43 sq miles)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Merthyr Tydfil

From Welsh Merthyr Tudful, equivalent to merthyr “martyr, martyr's shrine” + Tudful (Welsh spelling), a Welsh saint martyred by pagan Welsh or Saxons about 480

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ashleigh, from Merthyr Tydfil, said both their mothers and her daughter wore pink bridal pyjamas while their dads and brothers dressed casually.

From BBC • May 19, 2026

Daley, who targeted stores nationwide, cost businesses across Cardiff, Taffs Well, Merthyr Tydfil, Chepstow and Caldicot more than £4,000 in losses.

From BBC • May 11, 2026

Nish, a Year 10 pupil at Blessed Carlo Acutis Catholic School in Merthyr Tydfil, said the "stress gets to you".

From BBC • Apr. 30, 2026

The government's move to "call in" the application means ministers rather than Merthyr Tydfil County Borough Council will decide the outcome.

From BBC • Apr. 3, 2026

In Wales there are 10 borough parliamentary areas, all of which, except Merthyr Tydfil and Swansea town division, consist of groups of several contributory boroughs.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 4 "England" to "English Finance" by Various

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