TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: y rheol defnyddio 5 mlynedd
English: 5-year usage rule
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 25 July 2005
Welsh: Y Rheoleiddiwr Pêl-droed Annibynnol
English: Independent Football Regulator
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last updated: 15 January 2026
Welsh: Y Rheol Gyffredinol yn Erbyn Osgoi Trethi
English: General Anti-avoidance Rule
Status A
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Definition: Bydd y rheol gyffredinol yn erbyn osgoi trethi (GAAR) yn galluogi Awdurdod Cyllid Cymru i fynd i'r afael ag osgoi trethi mewn perthynas â'r holl ddeddfwriaeth ar drethi datganoledig, ac yn helpu i rwystro ac annog yn erbyn osgoi trethi. Bydd y GAAR yn rhoi pŵer i ACC adennill unrhyw dreth ddatganoledig sydd wedi’i hosgoi o ganlyniad i drefniant “artiffisial” osgoi treth.
Context: A ‘General Anti-avoidance Rule’ (GAAR)
Notes: Rheol a gyflwynwyd gan Ddeddf Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2017. Defnyddir yr acronym GAAR yn y ddwy iaith.
Last updated: 18 May 2017
Welsh: y rheoliadau a wrthodir
English: the rejected regulations
Status B
Subject: Law
Part of speech: Noun, Plural
Notes: Term o Fil Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2016.
Last updated: 17 August 2016
Welsh: Y Rheoliadau Iechyd Planhigion
English: Plant Health Regulations
Status A
Subject: Law
Part of speech: Noun, Plural
Last updated: 4 July 2023
Welsh: Y Rheoliadau Iechyd Planhigion
English: PHR
Status A
Subject: Law
Part of speech: Noun, Plural
Notes: Dyma'r acronym Saesneg a ddefnyddir am Plant Health Regulations.
Last updated: 4 July 2023
Welsh: Y Rheoliadau Rheolaethau Swyddogol
English: Official Controls Regulations
Status A
Subject: Law
Part of speech: Noun, Plural
Last updated: 4 July 2023
Welsh: Y Rheoliadau Rheolaethau Swyddogol
English: OCR
Status A
Subject: Law
Part of speech: Noun, Plural
Notes: Dyma'r acronym Saesneg a ddefnyddir am Official Control Regulations
Last updated: 4 July 2023
Welsh: Y Rheoliad Cyffredinol ar Ddiogelu Data
English: General Data Protection Regulation
Status B
Subject: Europe
Part of speech: Noun, Masculine, Singular
Definition: The General Data Protection Regulation (GDPR) (Regulation (EU) 2016/679) is a regulation by which the European Parliament, the European Council and the European Commission intend to strengthen and unify data protection for individuals within the European Union (EU).
Last updated: 7 June 2018
Welsh: Y Rheoliad De Minimis Diwydiannol
English: Industrial De Minimis Regulation
Status B
Subject: Titles of legislation
Part of speech: Noun, Masculine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 19 February 2019
Welsh: Y Rheoliad Esemptiad Bloc Cyffredinol
English: General Block Exemption Regulation
Status B
Subject: Titles of legislation
Part of speech: Noun, Masculine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 19 February 2019
Welsh: Y Rhestr Brocsi
English: Proxy List
Status B
Subject: Education
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r ffurf fer a ddefnyddir am the List of Recognised Proxy Qualifications for Essential Skills (Wales) / Y Rhestr o Gymwysterau Procsi Cydnabyddedig ar gyfer Sgiliau Hanfodol (Cymru).
Last updated: 21 July 2026
Welsh: y rhestr cleifion a warchodir
English: shielding patient list
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Yng nghyd-destun COVID-19.
Last updated: 25 January 2022
Welsh: y rhestr goedwigoedd genedlaethol
English: national forest inventory
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 10 February 2022
Welsh: Y Rhestr o Gymwysterau Procsi Cydnabyddedig ar gyfer Sgiliau Hanfodol (Cymru)
English: List of Recognised Proxy Qualifications for Essential Skills (Wales)
Status A
Subject: Education
Part of speech: Noun, Feminine, Singular
Last updated: 21 July 2026
Welsh: Y Rhestr o’r Cleifion a Warchodir yng Nghymru
English: Welsh Shielded Patient List
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 21 May 2020
Welsh: y rhiant-gwmni
English: the parent
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Notes: Term o Fil Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2016.
Last updated: 17 August 2016
Welsh: Yr Hierarchiaeth Cydgasglu Cyffredin
English: Common Aggregation Hierarchy
Status B
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Fframwaith hierarchaidd safonol a gynhelir gan y corff Prydeinig HESA ar gyfer cydgrynhoi codau pwnc addysg uwch o wahanol ffynonellau yn grwpiau cyson er mwyn galluogi dadansoddiad cymaradwy ar draws sector addysg uwch y DU.
Last updated: 1 May 2026
Welsh: y rhif oddi ar y rhestr ddewis
English: picklist number
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: Selected item number from a list the customer had previously ordered.
Last updated: 5 March 2008
Welsh: y Rhodfa
English: Walkway
Status C
Subject: Place-names
Part of speech: Noun, Feminine, Singular
Definition: in front of Pierhead building
Last updated: 1 July 2004
Welsh: Y Rhws
English: Rhoose
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Bro Morgannwg
Last updated: 14 August 2003
Welsh: Y Rhws
English: Rhoose
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Bro Morgannwg. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Bro Morgannwg (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: Y Rhwydwaith Argyfwng Ffermio
English: Farm Crisis Network
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 29 October 2004
Welsh: Y Rhwydwaith Arloesi Celtaidd ar gyfer Gwyddorau Bywyd Uwch
English: Celtic Advanced Life Sciences Innovation Network
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi ar rwydwaith sydd ag enw Saesneg yn unig ar adeg llunio’r cofnod hwn. Defnyddir yr acronym CALIN yn y ddwy iaith.
Last updated: 9 November 2016
Welsh: Y Rhwydwaith Arweiniad Ariannol
English: Finance Leadership Network
Status A
Subject: Finance and statistics
Part of speech: Proper noun, Masculine, Singular
Last updated: 9 August 2013
Welsh: Y Rhwydwaith Arweiniad Ariannol, Gweithio Gyda'n Gilydd dros Gymru
English: Finance Leadership Network, Working together for Wales
Status C
Subject: Finance and statistics
Part of speech: Neutral
Last updated: 13 May 2011
Welsh: Y Rhwydwaith Beicio Cenedlaethol
English: National Cycle Network
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last updated: 27 October 2020
Welsh: Y Rhwydwaith Cenedlaethol er Rhagoriaeth mewn Gwyddoniaeth a Thechnoleg
English: National Network for Excellence in Science and Technology
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Notes: Rhwydwaith a gwnaed cyhoeddiad yn ei gylch gan Lywodraeth Cymru ym mis Ionawr 2017. Defnyddir yr acronym NNEST yn y ddwy iaith.
Last updated: 16 March 2017
Welsh: Y Rhwydwaith Cydlynwyr Rhianta
English: Parenting Coordinators Network
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 15 May 2019
Welsh: Y Rhwydwaith Cyfathrebu
English: Communications Network
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last updated: 4 August 2010
Welsh: Y Rhwydwaith Entrepreneuriaeth Ieuenctid
English: Youth Entrepreneurship Network
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last updated: 24 April 2012
Welsh: Y Rhwydwaith Gweithredu Glo
English: Coal Action Network
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 19 May 2022
Welsh: Y Rhwydwaith Iechyd Meddwl Amenedigol
English: Perinatal Mental Health Network
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Rhwydwaith a gynhelir gan y GIG.
Last updated: 1 March 2024
Welsh: Y Rhwydwaith Iechyd Menywod
English: Women’s Health Network
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 11 December 2025
Welsh: Y Rhwydwaith i Hyrwyddo Amrywiaeth Ieithyddol
English: Network for the Promotion of Linguistic Diversity
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Notes: Defnyddir yr acronym NPLD am y corff hwn yn Saesneg.
Last updated: 12 November 2020
Welsh: Y Rhwydwaith Maethu
English: The Fostering Network
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: Previously called NFCA: National Foster Care Association.
Last updated: 17 September 2008
Welsh: Y Rhwydwaith Menywod Ynghyd
English: Women Together Network
Status A
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Notes: Un o rwydweithiau staff Llywodraeth Cymru.
Last updated: 23 November 2023
Welsh: Y Rhwydwaith o Ddinasoedd a Chymunedau Oed-gyfeillgar
English: Network for Age-Friendly Cities and Communities
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi ar enw rhwydwaith gan Sefydliad Iechyd y Byd.
Last updated: 27 April 2023
Welsh: Y Rhwydwaith Oedran a Chyflogaeth
English: TAEN
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: The Age Employment Network
Last updated: 2 July 2008
Welsh: Y Rhwydwaith Oedran a Chyflogaeth
English: The Age Employment Network
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: TAEN
Last updated: 2 July 2008
Welsh: Y Rhwydwaith o Gymunedau Oed-gyfeillgar
English: Network of Age-Friendly Communities
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi ar enw rhwydwaith yn y Deyrnas Unedig.
Last updated: 27 April 2023
Welsh: Y Rhwydwaith Rhyngwladol ar gyfer y Celfyddydau Perfformio Cyfoes
English: IETM
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym a ddefnyddir yn rhyngwladol am yr International Network for Contemporary Performing Arts
Last updated: 12 November 2020
Welsh: Y Rhwydwaith Rhyngwladol ar gyfer y Celfyddydau Perfformio Cyfoes
English: International Network for Contemporary Performing Arts
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last updated: 12 November 2020
Welsh: Y Rhwydwaith Sgiliau i Fusnes
English: Skills for Business Network
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: Enw swyddogol y rhwydwaith.
Last updated: 17 January 2005
Welsh: Y Rhwydwaith Ymchwil Data Gweinyddol
English: Administrative Data Research Network
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Context: Mae Llywodraeth Cymru yn cael ei hystyried yn un o bartneriaid arweiniol Rhwydwaith Ymchwil Data Gweinyddol y DU.
Last updated: 5 July 2017
Welsh: Y Rhwydwaith Ymchwil Iechyd mewn Ysgolion
English: School Health Research Network
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 25 July 2019
Welsh: Y Rhwydwaith Ymchwil Iechyd mewn Ysgolion
English: SHRN
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 25 July 2019
Welsh: y rhwymedigaethau i leihau/ostwng allyriadau carbon
English: carbon emissions reduction obligations
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 28 September 2011
Welsh: Y Rhyl Tŷ Newydd
English: Rhyl Tŷ Newydd
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Ddinbych. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Ddinbych (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: Y Rhyl Trellewelyn
English: Rhyl Trellewelyn
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Ddinbych. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Ddinbych (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022