TermCymru

Results are displayed in English alphabetical order A-Z
English: Wyesham
Welsh: Wyesham
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Fynwy. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Fynwy (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Wyesham
Welsh: Wyesham
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Fynwy. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Fynwy (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Wyeside Arts Centre
Welsh: Canolfan Gelfyddydau Wyeside
Status B
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last Updated: 19 March 2025
English: Wyeside Arts Centre
Welsh: Canolfan Gelfyddydau Wyeside
Status B
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last Updated: 19 March 2025
English: Wye Valley
Welsh: Dyffryn Gwy
Status C
Subject: Place-names
Part of speech: Noun, Masculine, Singular
Last Updated: 20 September 2005
English: Wye Valley
Welsh: Dyffryn Gwy
Status C
Subject: Place-names
Part of speech: Noun, Masculine, Singular
Last Updated: 20 September 2005
English: Wye Valley and the Vale of Usk
Welsh: Dyffryn Gwy a Dyffryn Wysg
Status C
Subject: Place-names
Part of speech: Noun, Masculine, Singular
Last Updated: 27 February 2006
English: Wye Valley and the Vale of Usk
Welsh: Dyffryn Gwy a Dyffryn Wysg
Status C
Subject: Place-names
Part of speech: Noun, Masculine, Singular
Last Updated: 27 February 2006
English: WYFSD
Welsh: Fforwm Ieuenctid Cymru ar Ddatblygu Cynaliadwy
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Welsh Youth Forum on Sustainable Development
Last Updated: 20 January 2006
English: WYFSD
Welsh: Fforwm Ieuenctid Cymru ar Ddatblygu Cynaliadwy
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Welsh Youth Forum on Sustainable Development
Last Updated: 20 January 2006
English: Wylfa Power Station
Welsh: Gorsaf Bŵer Wylfa
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 19 November 2007
English: Wylfa Power Station
Welsh: Gorsaf Bŵer Wylfa
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 19 November 2007
English: Wynnstay
Welsh: Wynnstay
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Wrecsam. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Wrecsam (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Wynnstay
Welsh: Wynnstay
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Wrecsam. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Wrecsam (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: xchangewales
Welsh: cyfnewidcymru
Status A
Subject: Economic development
Part of speech: Neutral
Last Updated: 4 March 2009
English: xchangewales
Welsh: cyfnewidcymru
Status A
Subject: Economic development
Part of speech: Neutral
Last Updated: 4 March 2009
English: XDR TB
Welsh: TB ag ymwrthedd estynedig i gyffuriau
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am 'extensively-drug resistant TB'. Gweler cofnod y term llawn am ddiffiniad.
Last Updated: 19 May 2022
English: XDR TB
Welsh: TB ag ymwrthedd estynedig i gyffuriau
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am 'extensively-drug resistant TB'. Gweler cofnod y term llawn am ddiffiniad.
Last Updated: 19 May 2022
English: xenon
Welsh: senon
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Xe
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last Updated: 18 June 2025
English: xenon
Welsh: senon
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Xe
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last Updated: 18 June 2025
English: xenophobia
Welsh: senoffobia
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last Updated: 6 April 2006
English: xenophobia
Welsh: senoffobia
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last Updated: 6 April 2006
English: xenotransplantation
Welsh: senotrawsblaniad
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: organ transplantation from a donor to a recipient of different species
Last Updated: 28 April 2004
English: xenotransplantation
Welsh: senotrawsblaniad
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: organ transplantation from a donor to a recipient of different species
Last Updated: 28 April 2004
English: XL Wales, Swansea
Welsh: XL Wales, Abertawe
Status C
Subject: Education
Definition: XL Wales is an educational charity, based in Swansea
Last Updated: 12 September 2002
English: XL Wales, Swansea
Welsh: XL Wales, Abertawe
Status C
Subject: Education
Definition: XL Wales is an educational charity, based in Swansea
Last Updated: 12 September 2002
English: XML
Welsh: Iaith Arwyddnodi Estynadwy
Status C
Subject: ICT
Part of speech: Noun, Feminine, Singular
Definition: Extensible Markup Language. As with HTML, XML defines the delivery, appearance of a document over the Web. However, it provides a wider variety of structured format and also allows for coding that describes works in a semantic way, i.e. through the inclusion of fields for metadata.
Last Updated: 25 January 2011
English: XML
Welsh: Iaith Arwyddnodi Estynadwy
Status C
Subject: ICT
Part of speech: Noun, Feminine, Singular
Definition: Extensible Markup Language. As with HTML, XML defines the delivery, appearance of a document over the Web. However, it provides a wider variety of structured format and also allows for coding that describes works in a semantic way, i.e. through the inclusion of fields for metadata.
Last Updated: 25 January 2011
English: XO sub-committee
Welsh: is-bwyllgor XO
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r ffurf law fer a ddefnyddir ar gyfer is-bwyllgor Cabinet y DU ar gynllunio ar gyfer diwedd y cyfnod pontio.
Last Updated: 17 September 2020
English: XO sub-committee
Welsh: is-bwyllgor XO
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r ffurf law fer a ddefnyddir ar gyfer is-bwyllgor Cabinet y DU ar gynllunio ar gyfer diwedd y cyfnod pontio.
Last Updated: 17 September 2020
English: XPS
Welsh: polystyren allwthiedig
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Polystyren a ffurfiwyd drwy wthio'r deunydd crai tawdd drwy dwll o siâp penodol er mwyn creu cynnyrch ar y siâp hwnnw.
Notes: Dyma'r acronym Saesneg a ddefnyddir am extruded polystyrene.
Last Updated: 13 October 2022
English: XPS
Welsh: polystyren allwthiedig
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Polystyren a ffurfiwyd drwy wthio'r deunydd crai tawdd drwy dwll o siâp penodol er mwyn creu cynnyrch ar y siâp hwnnw.
Notes: Dyma'r acronym Saesneg a ddefnyddir am extruded polystyrene.
Last Updated: 13 October 2022
English: X-ray fluorescence
Welsh: fflworoleuedd pelydr-X
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: XRF
Last Updated: 7 August 2014
English: X-ray fluorescence
Welsh: fflworoleuedd pelydr-X
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: XRF
Last Updated: 7 August 2014
English: XRF
Welsh: fflworoleuedd pelydr-X
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: X-ray fluorescence
Last Updated: 7 August 2014
English: XRF
Welsh: fflworoleuedd pelydr-X
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: X-ray fluorescence
Last Updated: 7 August 2014
English: X tag
Welsh: tag X
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: tag ar ddafad i'w hallforio
Last Updated: 5 February 2004
English: X tag
Welsh: tag X
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: tag ar ddafad i'w hallforio
Last Updated: 5 February 2004
English: xylose
Welsh: sylos
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Math o siwgwr.
Last Updated: 31 October 2023
English: xylose
Welsh: sylos
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Math o siwgwr.
Last Updated: 31 October 2023
English: yacht
Welsh: cwch hwylio
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last Updated: 29 March 2006
English: yacht
Welsh: cwch hwylio
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last Updated: 29 March 2006
English: yachting
Welsh: hwylio
Status B
Subject: Tourism and leisure
Part of speech: Verb
Notes: Lle bo rhaid gwahaniaethu rhwng ‘sailing’ a ‘yachting’, defnyddier ‘iotio’.
Last Updated: 30 November 2020
English: yachting
Welsh: hwylio
Status B
Subject: Tourism and leisure
Part of speech: Verb
Notes: Lle bo rhaid gwahaniaethu rhwng ‘sailing’ a ‘yachting’, defnyddier ‘iotio’.
Last Updated: 30 November 2020
English: Yale College
Welsh: Coleg Iâl
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: Wrexham
Last Updated: 10 July 2008
English: Yale College
Welsh: Coleg Iâl
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: Wrexham
Last Updated: 10 July 2008
English: YALO
Welsh: Yr Is-adran Cyfleoedd Dysgu Ieuenctid ac Oedolion
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Definition: Youth and Adult Learning Opportunities Division
Last Updated: 3 May 2007
English: YALO
Welsh: Yr Is-adran Cyfleoedd Dysgu Ieuenctid ac Oedolion
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Definition: Youth and Adult Learning Opportunities Division
Last Updated: 3 May 2007
English: YAPP
Welsh: Is-adran Cyfranogiad Ieuenctid a Disgyblion
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Youth and Pupil Participation Division
Last Updated: 18 February 2005
English: YAPP
Welsh: Is-adran Cyfranogiad Ieuenctid a Disgyblion
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Youth and Pupil Participation Division
Last Updated: 18 February 2005