TermCymru

Results are displayed in alphabetical order.
Welsh: Yr Astudiaeth Dracio Ddomestig o Sentiment am Deithio
English: Domestic Sentiment Tracker
Status A
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Last updated: 14 December 2023
Welsh: Yr Astudiaeth Ryngwladol o Dueddiadau mewn Mathemateg a Gwyddoniaeth
English: Trends in Mathematical and Science Studies
Status A
Subject: Education
Part of speech: Proper noun
Notes: Astudiaeth ryngwladol o gyrhaeddiad disgyblion ysgol ym meysydd mathemateg a gwyddoniaeth. Defnyddir yr acronym TIMSS yn y ddwy iaith
Last updated: 5 November 2025
Welsh: Yr Athrofa Dysgu Cymraeg Genedlaethol
English: National Institute for Learning Welsh
Status A
Subject: Education
Part of speech: Noun, Feminine, Singular
Context: Mae’r Bil hefyd yn sefydlu corff statudol, sef yr Athrofa Dysgu Cymraeg Genedlaethol. Un o rolau’r Athrofa fydd cynllunio datblygiad y gweithlu addysg a darparu hyfforddiant ar eu cyfer er mwyn gwella dysgu Cymraeg mewn ysgolion. Bydd hefyd yn darparu cefnogaeth i ddysgwyr Cymraeg o bob oedran, ac yn hybu arloesedd mewn perthynas â dysgu Cymraeg.
Notes: Mae Bil y Gymraeg ac Addysg, a gyflwynwyd yn 2024, yn nodi y sefydlir yr Athrofa Dysgu Cymraeg Genedlaethol. Cyfeirir at y sefydliad fel yr Athrofa Dysgu Cymraeg hefyd ac o bryd i'w gilydd defnyddir "the Athrofa" yn Saesneg.
Last updated: 21 November 2024
Welsh: Yr Athrofa Genedlaethol ar gyfer Ymchwil Iechyd
English: National Institute for Health Research
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 23 January 2025
Welsh: Yr Athrofa Genedlaethol ar gyfer Ymchwil Iechyd
English: NIHR
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Dyma’r acronym Saesneg a ddefnyddir am y National Institute for Health Research.
Last updated: 23 January 2025
Welsh: Yr Athrofa Gwyddor Bywyd
English: ILS
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Institute of Life Sciences
Last updated: 4 May 2005
Welsh: Yr Awdurdod Adfer Safleoedd Mwyngloddio
English: Mining Remediation Authority
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r enw a ddefnyddir gan y corff ei hun, sef y sefydliad sy’n disodli’r Awdurdod Glo. Sylwer nad yw’r defnydd o ‘adfer’ am ‘remediation’ yn y cyd-destun hwn yn gyson â defnydd Gwasanaeth Cyfieithu Llywodraeth Cymru nac, felly, â chofnodion eraill TermCymru.
Last updated: 11 December 2024
Welsh: Yr Awdurdod Afonydd Cenedlaethol
English: National Rivers Authority
Status C
Subject: Environment
Part of speech: Proper noun, Masculine, Singular
Last updated: 29 October 2012
Welsh: Yr Awdurdod Asesu Clinigol Cenedlaethol
English: National Clinical Assessment Authority
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: NCAA
Last updated: 13 October 2004
Welsh: Yr Awdurdod Atal Twyll Cenedlaethol
English: National Fraud Authority
Status C
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Last updated: 5 January 2011
Welsh: Yr Awdurdod Cenedlaethol
English: National Authority
Status B
Subject: Europe
Part of speech: Noun, Masculine, Singular
Definition: The National Authority has management oversight of the Erasmus+ programme across the UK, including appointing UK National Agency and monitoring programme delivery in the UK.
Notes: Gellir defnyddio Awdurdod Cenedlaethol y DU am UK National Authority. Defnyddir yr acronym NAU yn y ddwy iaith.
Last updated: 28 October 2015
Welsh: Yr Awdurdod Cynllunio Datrysiadau
English: Solutions Design Authority
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Notes: Grŵp trawsddisgyblaethol yn Llywodraeth Cymru, sy’n darparu cymorth, cyngor a sicrwydd caffael a technegol cynnar ar sawl elfen o TGCh ac yn sicrhau bod datrysiadau yn cydymffurfio â Strategaeth TGCh, egwyddorion a safonau Llywodraeth Cymru. Defnyddir yr acronym SDA yn y ddwy iaith.
Last updated: 5 March 2025
Welsh: Yr Awdurdod Cystadleuaeth a Marchnadoedd
English: Competition and Markets Authority
Status A
Subject: Economic development
Part of speech: Proper noun, Masculine, Singular
Definition: Successor to the Competition Commission.
Context: Olynydd i'r Comisiwn Cystadlu.
Last updated: 25 March 2014
Welsh: Yr Awdurdod Cystadleuaeth a Marchnadoedd
English: CMA
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am y Competition and Markets Authority.
Last updated: 18 May 2023
Welsh: Yr Awdurdod Digolledu am Anafiadau Troseddol
English: Criminal Injuries Compensation Authority
Status C
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Definition: CICA
Last updated: 11 March 2003
Welsh: Yr Awdurdod Dylunio Cofrestrau
English: Register Design Authority
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 9 August 2017
Welsh: Yr Awdurdod Dylunio Technegol
English: Technical Design Authority
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 26 October 2004
Welsh: Yr Awdurdod Glo
English: Coal Authority
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Corff cyhoeddus anadrannol a noddir gan Lywodraeth y DU. Mae'n rheoli effeithiau cloddio am lo yn y gorffennol, gan gynnwys niwed yn sgil ymsuddiant a llygredd o ddŵr mewn hen weithfeydd.
Last updated: 11 November 2024
Welsh: Yr Awdurdod Gwasanaethau Ariannol
English: Financial Services Authority
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: FSA
Last updated: 3 December 2003
Welsh: Yr Awdurdod Gweithredol Iechyd a Diogelwch
English: Health and Safety Executive
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: HSE
Last updated: 21 July 2005
Welsh: Yr Awdurdod Gweithredol Iechyd a Diogelwch
English: HSE
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Health and Safety Executive
Last updated: 23 November 2006
Welsh: Yr Awdurdod Heddlu Niwclear Sifil
English: Civil Nuclear Police Authority
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last updated: 19 October 2004
Welsh: yr awdurdod lleol cynhaliol arfaethedig
English: proposed maintaining local authority
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 20 October 2011
Welsh: Yr Awdurdod Meinweoedd Dynol
English: Human Tissue Authority
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: HTA
Last updated: 10 November 2004
Welsh: Yr Awdurdod Radio
English: The Radio Authority
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 24 September 2002
Welsh: Yr Awdurdod Rheoleiddio Darbodus
English: Prudential Regulation Authority
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Notes: Rhan o Fanc Lloegr
Last updated: 15 May 2019
Welsh: Yr Awdurdod Rheoleiddio Ffrwythlondeb a Meinweoedd
English: The Regulatory Authority for Fertility and Tissue
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 26 October 2004
Welsh: Yr Awdurdod Rheoleiddio Gwasanaethau Dŵr
English: Water Services Regulation Authority
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 3 July 2025
Welsh: Yr Awdurdod Safonau Proffesiynol ar gyfer Iechyd a Gofal Cymdeithasol
English: Professional Standards Authority for Health and Social Care
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 5 June 2015
Welsh: Yr Awdurdod Seilwaith a Phrosiectau
English: Infrastructure and Projects Authority
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 9 June 2022
Welsh: Yr Awdurdod Seilwaith a Phrosiectau
English: IPA
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am yr Infrastructure and Projects Authority.
Last updated: 9 June 2022
Welsh: Yr Awdurdod Trwyddedu Gweithgareddau Antur
English: Adventure Activities Licensing Authority
Status C
Subject: Tourism and leisure
Part of speech: Proper noun, Masculine, Singular
Definition: AALA
Last updated: 13 November 2014
Welsh: Yr Awdurdod Trwyddedu Gweithgareddau Antur
English: AALA
Status C
Subject: Tourism and leisure
Part of speech: Proper noun, Masculine, Singular
Definition: Adventure Activities Licensing Authority
Last updated: 13 November 2014
Welsh: Yr Awdurdod Ydau Cartref
English: Home-Grown Cereals Authority
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: HGCA
Last updated: 19 July 2004
Welsh: yr awr lesiant
English: wellbeing hour
Status B
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Notes: Menter gorfforaethol yn Llywodraeth Cymru
Last updated: 13 September 2018
Welsh: yr awyr agored
English: outdoors
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 26 May 2010
Welsh: Yr Awyrennau Brenhinol
English: Royal Flight
Status A
Subject: Justice and order
Part of speech: Noun, Plural
Notes: Mewn cyd-destunau seremonïol. Gellid addasu'r term hwn i gynnwys cyfeiriad at 'Hofrenyddion' hefyd pe bai gwir angen.
Last updated: 4 June 2018
Welsh: Yr Economi ac Adfywio - Cyfarwyddwr Cyffredinol
English: Economy and Regeneration - Director General
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last updated: 18 February 2009
Welsh: Yr Economi a Thrafnidiaeth
English: Economy and Transport
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Last updated: 12 June 2007
Welsh: Yr Economi, Cyllid a Chyfiawnder Cymdeithasol
English: Economy, Finance, & Social Justice
Status A
Subject: Welsh Government posts and departments
Part of speech: Proper noun
Notes: Endid yn strwythur sefydliadol Llywodraeth Cymru
Last updated: 7 September 2023
Welsh: yr economi sylfaenol
English: foundation economy
Status B
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Notes: Camgymeriad cyffredin yn Saesneg am 'foundational economy'. Gweler y cofnod am y term hwnnw am ddiffiniad.
Last updated: 20 April 2021
Welsh: yr economi sylfaenol
English: foundational economy
Status A
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Definition: Nwyddau a gwasanaethau sy'n angenrheidiol ar gyfer bywyd bob dydd, a ddefnyddir gan bob dinesydd waeth beth yw ei incwm neu ei statws, ac a ddosberthir yn unol â'r boblogaeth.
Last updated: 5 May 2022
Welsh: yr effaith gerio
English: gearing effect
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: The relationship between Council Tax and the level of Formula Spending Share. Marginal changes in spending have a significant impact on the level of Council Tax.
Last updated: 24 February 2005
Welsh: Yr Eglwys Anglicanaidd
English: Anglican Church
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last updated: 24 March 2010
Welsh: Yr Eglwys Gatholig yng Nghymru
English: Roman Catholic Church in Wales
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last updated: 30 June 2006
Welsh: Yr Eglwys Newydd
English: Whitchurch
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Caerdydd
Last updated: 14 August 2003
Welsh: Yr Eglwys Newydd a Thongwynlais
English: Whitchurch and Tongwynlais
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Ninas a Sir Caerdydd. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Dinas a Sir Caerdydd (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: yr Eglwys Uniongred Roegaidd
English: Greek Orthodox Church
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last updated: 30 January 2007
Welsh: Yr Eglwys yng Nghymru
English: The Church in Wales
Status A
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last updated: 20 September 2002
Welsh: Yr Eglwys yn Gweithredu yn erbyn Tlodi
English: Church Action against Poverty
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last updated: 12 June 2006