TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: Deddf Diwygio’r Heddlu a Chyfrifoldeb Cymdeithasol 2011
English: Police Reform and Social Responsibility Act 2011
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 23 March 2026
Welsh: Deddf Diwygio Tir (Yr Alban) 2003
English: Land Reform (Scotland) Act 2003
Status A
Subject: Titles of legislation
Part of speech: Proper noun, Feminine, Singular
Context: Teitl cwrteisi
Last updated: 27 February 2014
Welsh: Deddf Dŵr 1989
English: Water Act 1989
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 1 October 2012
Welsh: Deddf Dŵr 2003
English: Water Act 2003
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 12 September 2012
Welsh: Deddf Dŵr 2014
English: Water Act 2014
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Context: Teitl cwrteisi.
Last updated: 22 April 2015
Welsh: Deddf Draenio Tir 1991
English: Land Drainage Act 1991
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 27 April 2010
Welsh: Deddf Dugiaeth Caerhirfryn 1817
English: Duchy of Lancaster Act 1817
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 12 November 2024
Welsh: Deddf Dyfed 1987
English: The Dyfed Act 1987
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 15 January 2026
Welsh: Deddf Dyframaethu a Physgodfeydd (Yr Alban) 2007
English: Aquaculture and Fisheries (Scotland) Act 2007
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 16 December 2021
Welsh: Deddf Dysgu a Sgiliau 2000
English: Learning and Skills Act 2000
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Definition: Dyna a ddefnyddir yn y ddeddfwriaeth.
Last updated: 6 February 2009
Welsh: Deddf Eglwys Cymru (Claddfeydd) 1945
English: Welsh Church (Burial Grounds) Act 1945
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 18 February 2026
Welsh: Deddf Eiddo Diwylliannol (Gwrthdaro Arfog) 2017
English: Cultural Property (Armed Conflicts) Act 2017
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 13 December 2021
Welsh: Deddf Elusennau 2011
English: Charities Act 2011
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi Cymraeg ar Ddeddf nad oes fersiwn Gymraeg ohoni.
Last updated: 3 October 2018
Welsh: Deddf Enillion Troseddau 2002
English: Proceeds of Crime Act 2002
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 15 January 2008
Welsh: Deddf Etholaethau Seneddol 2020
English: Parliamentary Constituencies Act 2020
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 23 March 2026
Welsh: Deddf Etholiadau a Chyrff Etholedig (Cymru) 2024
English: Elections and Elected Bodies (Wales) Act 2024
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 4 December 2024
Welsh: Deddf Etholiadau Cymru (Coronafeirws) 2021
English: Welsh Elections (Coronavirus) Act 2021
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 6 September 2021
Welsh: Deddf Etholiadau’r Alban (Diwygio) 2020
English: Scottish Elections (Reform) Act 2020
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 23 March 2026
Welsh: Deddf Etholiadau’r Alban (Etholfraint a Chynrychiolaeth) 2020
English: Scottish Elections (Franchise and Representation) Act 2020
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 23 March 2026
Welsh: Deddf Etholiadau’r Alban (Gostwng yr Oedran Pleidleisio) 2015
English: Scottish Elections (Reduction of Voting Age) Act 2015
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 23 March 2026
Welsh: Deddf Ewyllysiau 1837
English: Wills Act 1837
Status A
Subject: Titles of legislation
Part of speech: Proper noun, Feminine, Singular
Last updated: 14 August 2013
Welsh: Deddf Ffiniau, Dinasyddiaeth a Mewnfudo
English: Borders, Citizenship and Immigration Act 2009
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi Cymraeg ar Ddeddf nad oes fersiwn Gymraeg ohoni.
Last updated: 3 October 2018
Welsh: Deddf Ffiniau’r DU 2007
English: UK Borders Act 2007
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 10 January 2018
Welsh: Deddf Ffioedd Tenantiaid 2019
English: Tenant Fees Act 2019
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 13 December 2021
Welsh: Deddf Ffyniant Bro ac Adfywio 2023
English: Levelling-up and Regeneration Act 2023
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth gan Lywodraeth y DU sydd ar gael yn Saesneg yn unig.
Last updated: 5 November 2024
Welsh: Deddf Ffyrdd Newydd a Gwaith Stryd 1991
English: New Roads and Street Works Act 1991
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 22 September 2006
Welsh: Deddf Ffyrdd Newydd a Gwaith Stryd 1991 (Codi Tâl am Feddiannu Priffordd am Gyfnod sydd wedi'i Ymestyn yn Afresymol)
English: New Roads and Street Works Act 1991 (Charges for Unreasonably Prolonged Occupation of the Highway)
Status C
Subject: Transport
Part of speech: Noun, Feminine, Singular
Last updated: 6 May 2005
Welsh: Deddf Galluedd Meddyliol 2005
English: Mental Capacity Act 2005
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi Cymraeg ar Ddeddf nad oes fersiwn Gymraeg ohoni.
Last updated: 3 October 2018
Welsh: Deddf Gamblo 2005
English: Gambling Act 2005
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 7 June 2011
Welsh: Deddf gan Senedd Cymru
English: Act of Senedd Cymru
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Plural: Deddfau Senedd Cymru
Notes: Term newydd yn dilyn Deddf Senedd ac Etholiadau (Cymru) 2020.
Last updated: 5 March 2020
Welsh: Deddf gan Senedd y Deyrnas Unedig
English: Act of Parliament
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Deddfau gan Senedd y Deyrnas Unedig
Definition: deddf a gaiff ei phasio gan Senedd y Deyrnas Unedig
Context: ystyr “deddfwriaeth sylfaenol” (“primary legislation”) yw-(a) Mesur a basiwyd o dan Ran 3 o Ddeddf Llywodraeth Cymru 2006 (p. 32);(b) Deddf a basiwyd o dan Ran 4 o’r Ddeddf honno;(c) Deddf gan Senedd y Deyrnas Unedig
Notes: Gweler “Act of the Parliament of the United Kingdom” hefyd. Arferid defnyddio “Deddf Seneddol”, a “Deddfau Seneddol” yn y lluosog, ond bellach argymhellir defnyddio "Deddf gan Senedd y Deyrnas Unedig" i gyfeirio at ddeddfau a gaiff eu pasio gan Senedd y Deyrnas Unedig a chadw "deddf seneddol" ar gyfer deddf a gaiff ei phasio gan unrhyw senedd ("an act of a parliament").
Last updated: 16 November 2021
Welsh: Deddf gan Senedd y Deyrnas Unedig
English: Act of the Parliament of the United Kingdom
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Deddfau gan Senedd y Deyrnas Unedig
Definition: deddf a gaiff ei phasio gan Senedd y Deyrnas Unedig
Context: mae “Deddf gan Senedd y Deyrnas Unedig” yn cynnwys Deddf gan Senedd Prydain Fawr neu gan Senedd Lloegr”;
Notes: Yn yr unigol arferir "Deddf gan Senedd y DU" weithiau. Yn y lluosog, arferir “Deddfau Senedd y Deyrnas Unedig” a "Deddfau Senedd y DU" yn ogystal â "Deddfau gan Senedd y DU" fel y bo'n briodol.
Last updated: 16 November 2021
Welsh: Deddf gan Senedd y DU
English: Act of the UK Parliament
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Deddfau gan Senedd y DU
Notes: Yn aml defnyddir y term Act of Parliament / Deddf Seneddol i gyfeirio at y cysyniad hwn, er bod hynny'n llai manwl gywir.
Last updated: 28 December 2017
Welsh: Deddf gan Senedd yr Alban
English: Act of the Scottish Parliament
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Deddfau gan Senedd yr Alban
Last updated: 28 December 2017
Welsh: Deddf gan y Cynulliad
English: Assembly Act
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Deddfau gan y Cynulliad
Notes: Mae'r ffurfiau 'Deddf Cynulliad' a 'Deddfau'r Cynulliad' yn cael eu harfer hefyd, gan gynnwys gan y Cynulliad Cenedlaethol ei hun, er bod y ffurfiau hynny yn fwy amwys.
Last updated: 28 December 2017
Welsh: Deddf gan y Cynulliad
English: Act of the Assembly
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Deddfau gan y Cynulliad
Notes: Roedd y ffurfiau 'Deddf Cynulliad' a 'Deddfau'r Cynulliad' yn cael eu harfer hefyd, gan gynnwys gan y Cynulliad Cenedlaethol ei hun, er bod y ffurfiau hynny yn fwy amwys.
Last updated: 28 December 2017
Welsh: Deddf gan y Cynulliad Cenedlaethol
English: Act of the National Assembly for Wales
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Plural: Deddfau gan y Cynulliad Cenedlaethol
Notes: Sylwer bod Deddf y Senedd ac Etholiadau (Cymru) 2020 yn newid enw'r corff hwn i 'Senedd Cymru'. 'Deddf Cynulliad' a ddefnyddid gan y corff ei hun.
Last updated: 5 March 2020
Welsh: Deddf Gemau Olympaidd a Gemau Paralympaidd Llundain 2006
English: London Olympic Games and Paralympic Games Act 2006
Status C
Subject: Law
Part of speech: Noun, Feminine, Singular
Last updated: 19 October 2011
Welsh: Deddf Gemau'r Gymanwlad Birmingham 2020
English: Birmingham Commonwealth Games Act 2020
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 13 December 2021
Welsh: Deddf Glo Brig 1958
English: The Opencast Coal Act 1958
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 1 October 2012
Welsh: Deddf Gofal 2014
English: Care Act 2014
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi
Last updated: 3 July 2025
Welsh: Deddf Gofal Cymunedol (Rhyddhau Gohiriedig etc) 2003
English: Community Care (Delayed Discharges etc) Act 2003
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 22 September 2009
Welsh: Deddf Gofal Cymunedol (Taliadau Uniongyrchol) 1996 - Canllawiau ar Bolisi ac Arferion
English: Community Care (Direct Payments) Act 1996: Policy and Practice Guidance
Status A
Subject: Social services
Part of speech: Noun, Feminine, Singular
Last updated: 14 October 2003
Welsh: deddf gofal gwrthgyfartal
English: inverse care law
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Those in the greatest need receive less care than people with fewer needs.
Last updated: 1 August 2016
Welsh: Deddf Gofal Iechyd (Trefniadau'r Ardal Economaidd Ewropeaidd a'r Swistir) 2019
English: Healthcare (European Economic Area and Switzerland Arrangements) Act 2019
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 1 September 2022
Welsh: Deddf Gofal Iechyd (Trefniadau'r Ardal Economaidd Ewropeaidd a'r Swistir) 2019
English: HEEASAA
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am yr Healthcare (European Economic Area and Switzerland Arrangements) Act 2019. Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 1 September 2022
Welsh: Deddf Gofal Iechyd (Trefniadau Rhyngwladol) 2019
English: Healthcare (International Arrangements) Act 2019
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 1 September 2022
Welsh: Deddf Gofal Iechyd (Trefniadau Rhyngwladol) 2019
English: HIAA
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am yr Healthcare (International Arrangements) Act 2019. Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 1 September 2022
Welsh: Deddf Gofal Plant 2006
English: Childcare Act 2006
Status C
Subject: Titles of legislation
Part of speech: Proper noun, Feminine, Singular
Last updated: 25 May 2012
Welsh: Deddf Gofalwyr a Phlant Anabl 2000
English: Carers and Disabled Children Act 2000
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Notes: Gweler yr erthygl ar y Model Cymdeithasol o Anabledd yn yr Arddulliadur. Yn unol â'r Model, mae amhariad ("impairment", a elwid yn "nam" o'r blaen) yn nodwedd ar berson, a all effeithio ar ei ymddangosiad neu ar sut y mae ei gorff neu ei feddwl yn gweithio; caiff pobl anabl (y gellir hefyd cyfeirio atynt fel "pobl anabledig" neu "bobl sy'n cael eu hanablu") eu hanablu gan ffactorau allanol fel yr amgylchedd, polisi neu arferion, neu yn sgil methiant i ddarparu addasiadau ar eu cyfer; ac anabledd yw canlyniad anablu pobl sydd ag amhariadau. 
Last updated: 14 November 2023