TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: Awdurdod y Marchnadoedd Nwy a Thrydan
English: Gas and Electricity Markets Authority
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 3 July 2025
Welsh: beic trydan
English: electric bike
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: beiciau trydan
Definition: Beic sydd â modur trydan integredig i helpu'r beiciwr.
Notes: Mae'r term e-bike/e-feic yn gyfystyr.
Last updated: 27 October 2020
Welsh: bws trydan
English: electric bus
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: bysiau trydan
Context: Electric buses will become increasingly commercialised over the next decade as battery technology improves.
Last updated: 19 December 2024
Welsh: carbon sy'n cael ei arbed (trwy gynhyrchu trydan ar fferm wynt)
English: carbon emission saving
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 17 November 2011
Welsh: cerbyd trydan
English: electric vehicle
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: cerbydau trydan
Last updated: 27 October 2020
Welsh: cerbyd trydan
English: EV
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: cerbydau trydan
Notes: Dyma'r acronym Saesneg a ddefnyddir am electric vehicle.
Last updated: 22 December 2022
Welsh: cerbyd trydan batri
English: battery electric vehicle
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: cerbydau trydan batri
Definition: Cerbyd sy'n rhedeg ar bŵer trydanol yn unig. Mae'r trydan yn cael ei storio mewn batri yn y cerbyd a gaiff ei wefru o'r prif gyflenwad trydan (fel arfer mewn man gwefru at y diben hwnnw).
Last updated: 22 December 2022
Welsh: cerbyd trydan batri
English: BEV
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: cerbydau trydan batri
Notes: Dyma'r acronym Saesneg a ddefnyddir am battery electric vehicle.
Last updated: 22 December 2022
Welsh: cerbyd trydan hybrid plygio i mewn
English: plug-in hybrid electric vehicle
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: cerbydau trydan hybrid plygio i mewn
Definition: Cerbyd sy’n cyfuno injan danwydd â modur trydan, ac y gellir ei ailwefru drwy blygio i mewn i ffynhonnell drydanol.
Last updated: 16 October 2025
Welsh: cerbyd trydan hybrid plygio i mewn
English: PHEV
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: cerbydau trydan hybrid plygio i mewn
Definition: Cerbyd sy’n cyfuno injan danwydd â modur trydan, ac y gellir ei ailwefru drwy blygio i mewn i ffynhonnell drydanol.
Notes: Dyma’r acronym Saesneg a ddefnyddir am plug-in hybrid electric vehicle.
Last updated: 16 October 2025
Welsh: cydbwyso'r grid trydan
English: electricity grid balancing
Status B
Subject: Planning
Part of speech: Verb
Definition: Y broses o gyflenwi'r swm cywir o drydan i'r grid ar unrhyw adeg benodol.
Last updated: 13 August 2020
Welsh: cyflenwr trydan
English: electricity supplier
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: cyflenwyr trydan
Last updated: 30 June 2022
Welsh: cyflwenad trydan cyhoeddus
English: public electricity supply
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 10 March 2009
Welsh: cyfradd safonol defnyddio trydan
English: standard electricity usage rate
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 12 December 2011
Welsh: Cyngor ar Ddiogelwch Trydan
English: Electrical Safety Council
Status C
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Last updated: 21 May 2013
Welsh: cynhyrchu trydan
English: electricity generation
Status C
Subject: Environment
Part of speech: Verb
Last updated: 19 December 2006
Welsh: Deddf Trydan 1989
English: Electricity Act 1989
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 12 September 2012
Welsh: defnydd anonest o drydan
English: dishonest use of electricity
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Notes: Teitl ar drosedd
Last updated: 27 November 2025
Welsh: diwydiant trydan
English: electricity industry
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 12 September 2007
Welsh: dosbarthwr trydan
English: electricity distributor
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: dosbarthwyr trydan
Last updated: 30 June 2022
Welsh: dull cynhyrchu trydan sy’n isel ei garbon
English: low carbon generation capacity
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: The Bill is intended to reform the electricity market to enable large-scale investment in low-carbon generation capacity in the UK and deliver security of supply, in a cost-effective way.
Last updated: 2 January 2013
Welsh: ffens drydan gudd
English: hidden electric fence
Status C
Subject: Animals
Part of speech: Noun, Feminine, Singular
Last updated: 23 March 2010
Welsh: ffwrnais arc drydan
English: electric arc furnace
Status B
Subject: Planning
Part of speech: Noun, Feminine, Singular
Plural: ffwrneisiau arc drydan
Last updated: 16 May 2024
Welsh: goleuni trydan
English: electric lighting
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 12 June 2006
Welsh: Gorchymyn Trydan a Nwy (Rhwymedigaeth Cwmnïau Ynni) 2022
English: The Electricity and Gas (Energy Company Obligation) Order 2022
Status B
Subject: Titles of legislation
Part of speech: Noun, Masculine, Singular
Notes: Teitl cwrteisi ar enw darn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 26 September 2024
Welsh: gorsaf cynhyrchu trydan
English: electricity generating station
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: gorsafoedd cynhyrchu trydan
Last updated: 30 April 2024
Welsh: grant ceir trydan
English: plug-in car grant
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last updated: 23 October 2013
Welsh: Grŵp Cynghori Annibynnol Grid Trydan y Dyfodol i Gymru
English: Independent Advisory Group Future Electricity Grid for Wales
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 19 June 2024
Welsh: gwefru trydan
English: electric charging
Status B
Subject: Transport
Part of speech: Verb
Context: We know that we must improve the provision of electric charging across Wales, so that users are confident to make the switch to electric vehicles.
Last updated: 19 December 2024
Welsh: gweithfeydd cynhyrchu trydan hyblyg ar raddfa fach
English: smallscale flexible electricity generation plants
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Context: Byddwn yn ystyried yr achos dros gryfhau'r rheolaethau presennol ar allyriadau o weithfeydd cynhyrchu trydan hyblyg ar raddfa fach.
Last updated: 16 September 2024
Welsh: gweithfeydd pŵer trydan dŵr
English: hydro-electric power plants
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 1 October 2008
Welsh: llinellau trydan uwchben
English: overhead electric lines
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 21 January 2008
Welsh: llinell drydan
English: electric line
Status A
Subject: Planning
Part of speech: Noun, Feminine, Singular
Plural: llinellau trydan
Last updated: 23 March 2023
Welsh: man gwefru cerbydau trydan
English: electric vehicle recharging point
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last updated: 17 October 2013
Welsh: morgath drydan fraith
English: marbled electric ray  
Status A
Subject: Animals
Part of speech: Noun, Feminine, Singular
Definition: Torpedo marmorata
Notes: Torpedo marmorata
Last updated: 19 August 2021
Welsh: Newidiadau i ddeddfwriaeth yr UE i wahardd lladd-dai rhag defnyddio proceri trydan
English: Amendments to EU legislation to ban the use of electric goads in slaughterhouses
Status A
Subject: Agriculture
Part of speech: Noun, Plural
Definition: Dogfen y Cynulliad 2003
Last updated: 4 June 2004
Welsh: parlysu â thrydan
English: electro-immobilisation
Status B
Subject: Agriculture
Part of speech: Verb
Last updated: 29 July 2003
Welsh: parlysydd trydan
English: electrical stunner
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Used in slaughterhouses to stun animals prior to slaugher.
Last updated: 29 July 2003
Welsh: Pennaeth Seilwaith Gwefru Cerbydau Trydan
English: Head of Electric Vehicle Charging Infrastructure
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last updated: 10 July 2024
Welsh: prif gyflenwad trydan
English: mains electricity supply
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: pwynt trydan
English: outlet
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Definition: Unrhyw ddarpariaeth y gellir ei ddefnyddio ar gyfer gwefru batris ceir trydan. Ni fydd o reidrwydd wedi ei deilwra ar gyfer gwefru ceir.
Notes: Yng nghyd-destun ceir trydan. Cymharer ag upstand / piler gwefru.
Last updated: 5 March 2020
Welsh: Rheoliadau Gwaith Trydan (Asesiadau o’r Effaith Amgylcheddol) (Cymru a Lloegr) 2017
English: Electricity Works (Environmental Impact Assessment)(England and Wales) Regulations 2017
Status B
Subject: Titles of legislation
Part of speech: Noun, Plural
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 29 November 2018
Welsh: Rheoliadau Gwaith Trydan (Asesu'r Effeithiau Amgylcheddol) (Cymru a Lloegr) 2017
English: The Electricity Works (Environmental Impact Assessment) (England and Wales) Regulations 2017
Status B
Subject: Titles of legislation
Part of speech: Noun, Plural
Notes: Teitl cwrteisi ar enw darn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 26 September 2024
Welsh: Rheoliadau Gweithfeydd Trydan (Asesiad o’r Effaith Amgylcheddol) (Cymru a Lloegr) (Diwygio) (Cymru) 2019
English: The Electricity Works (Environmental Impact Assessment) (England and Wales) (Amendment) (Wales) Regulations 2019
Status A
Subject: Titles of legislation
Part of speech: Noun, Plural
Last updated: 25 February 2019
Welsh: Rheoliadau Parodrwydd i Ddal Carbon (Gorsafoedd Cynhyrchu Trydan) (Diwygio) (Cymru) 2019
English: The Carbon Capture Readiness (Electricity Generating Stations) (Amendment) (Wales) Regulations 2019
Status A
Subject: Titles of legislation
Part of speech: Noun, Plural
Last updated: 25 February 2019
Welsh: Rheoliadau Piblinellau, Petrolewm, Gwaith Trydan a Stocio Olew (Diwygiadau Amrywiol) (Ymadael â’r UE) 2018
English: Pipe-lines, Petroleum, Electricity Works and Oil Stocking (Miscellaneous Amendments) (EU Exit) Regulations 2018
Status B
Subject: Titles of legislation
Part of speech: Noun, Plural
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 29 November 2018
Welsh: Rheoliadau Rhwymedigaethau Cyflenwyr Trydan (Diwygio a Thrydan a Eithrir) 2015
English: The Electricity Supplier Obligations (Amendment and Excluded Electricity) Regulations 2015
Status B
Subject: Titles of legislation
Part of speech: Noun, Plural
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last updated: 19 February 2019
Welsh: Rheoliadau Trydan (Gorsafoedd Cynhyrchu Alltraeth) (Amrywio Cydsyniadau) (Cymru) 2019
English: The Electricity (Offshore Generating Stations) (Variation of Consents) (Wales) Regulations 2019
Status A
Subject: Titles of legislation
Part of speech: Noun, Plural
Last updated: 25 February 2019
Welsh: Rheoliadau Trydan (Gorsafoedd Cynhyrchu Alltraeth) (Ceisiadau am Gydsyniad) (Cymru) 2019
English: The Electricity (Offshore Generating Stations) (Applications for Consent) (Wales) Regulations 2019
Status A
Subject: Titles of legislation
Part of speech: Noun, Plural
Last updated: 25 February 2019
Welsh: Rheoliadau Trydan (Gorsafoedd Cynhyrchu Alltraeth) (Diwygiadau Amrywiol) (Cymru) 2019
English: The Electricity (Offshore Generating Stations) (Miscellaneous Amendments) (Wales) Regulations 2019
Status A
Subject: Titles of legislation
Part of speech: Noun, Plural
Last updated: 27 June 2019