TermCymru

Results are displayed in English alphabetical order A-Z
English: decoder
Welsh: dadgodydd
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: decolonisation
Welsh: dad-drefedigaethu
Status B
Subject: Culture and the arts
Part of speech: Verb
Last Updated: 1 June 2023
English: decommission
Welsh: datgomisiynu
Status C
Subject: Environment
Part of speech: Verb
Definition: Take out of service.
Last Updated: 2 February 2009
English: decommitment
Welsh: dadneilltuo
Status B
Subject: Europe
Part of speech: Verb
Definition: Cronfa Gymdeithasol Ewrop
Last Updated: 8 January 2004
English: decompile
Welsh: dadgrynhoi
Status B
Subject: ICT
Part of speech: Verb
Last Updated: 19 July 2005
English: decompose
Welsh: dadelfennu
Status B
Subject: Environment
Part of speech: Verb
Definition: Yng nghyd-destun deunyddiau anorganig (ee plastig), ymddatod dros amser i'r elfennau cyfansoddol.
Notes: Gweler hefyd y cofnodion am degrade a biodegrade.
Last Updated: 13 October 2022
English: decomposition of earnings differentials
Welsh: dadgyfansoddiad o wahaniaethau enillion
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last Updated: 23 December 2005
English: decomposition rate
Welsh: cyfradd ddadelfennu
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 13 October 2022
English: decompression
Welsh: datgywasgu
Status C
Subject: Health
Part of speech: Verb
Last Updated: 25 January 2007
English: decompression illness
Welsh: parlys môr
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 25 January 2007
English: deconditioning
Welsh: datgyflyru
Status B
Subject: Health
Part of speech: Verb
Definition: Proses gymhleth o newid ffisiolegol yn dilyn cyfnod o anweithgarwch, cyfnod o orffwys yn y gwely, neu gyfnod o fywyd llonydd yn gyffredinol. Gall gynnwys colli nerth a newidiadau corfforol eraill, ond hefyd newidiadau i statws meddyliol a'r gallu i fyw'n annibynnol.
Last Updated: 14 November 2023
English: decontaminate
Welsh: dihalogi
Status A
Subject: Environment
Part of speech: Verb
Last Updated: 27 September 2018
English: decontamination
Welsh: dihalogi
Status B
Subject: Health
Part of speech: Verb
Definition: A general term used to describe the removal of microbial contamination to make an item safe, meaning that it no longer poses a risk. It is often used to refer to equipment or the environment and does not necessarily mean that they are sterile. Decontamination can be a combination of processes, including cleaning, disinfection and sterilisation.
Notes: Yng nghyd-destun glanhau offer meddygol mewn lleoliadau gofal iechyd
Last Updated: 27 September 2018
English: decontamination lead
Welsh: arweinydd dihalogi
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: arweinwyr dihalogi
Definition: Gweithiwr gofal iechyd arbenigol sy'n arwain ar brosesau dihalogi mewn sefydliadau a lleoliadau gofal iechyd.
Last Updated: 11 December 2025
English: decontamination protocol
Welsh: protocol dihalogi
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: protocolau dihalogi
Last Updated: 3 June 2020
English: decoquinate
Welsh: decocwinad
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Math o feddyginiaeth wrth-haint ar gyfer anifeiliaid.
Notes: Term a ddefnyddir yn Rheoliadau Ychwanegion Bwyd Anifeiliaid (Awdurdodiadau) (Cymru) 2022.
Last Updated: 10 December 2024
English: decoration
Welsh: addurn
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Plural: addurniadau
Last Updated: 17 April 2024
English: decorative lighting
Welsh: goleuadau addurnol
Status C
Subject: Environment
Part of speech: Noun, Plural
Last Updated: 10 March 2009
English: decor & flooring
Welsh: addurno a lloriau
Status B
Subject: Tourism and leisure
Part of speech: Verb
Notes: Teitl swyddogol a ddefnyddir yng Nghynllun Parciau Gwyliau Graddedig Prydain.
Last Updated: 24 October 2016
English: decoupled
Welsh: wedi'u datgysylltu
Status C
Subject: Agriculture
Part of speech: Adjective
Definition: diwygiadau'r PAC - torri'r cysylltiad rhwng premiymau a chynhyrchiant.
Last Updated: 10 September 2003
English: decoupled option
Welsh: yr opsiwn datgysylltiedig
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Yr opsiwn sy’n dileu’r cysylltiad â chynnyrch neu gynhyrchiant (Termau Amaeth Ewrop).
Last Updated: 6 August 2008
English: decoupled subsidies
Welsh: cymorthdaliadau/premiymau wedi'u datgysylltu
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Definition: yng nghyd-destun y drefn newydd mae'r Comisiwn Ewropeaidd wedi'i gynnig ar gyfer ad-drefnu'r Polisi Amaethyddiaeth Cyffredin
Last Updated: 23 November 2006
English: decoupling
Welsh: datgysylltu
Status C
Subject: Agriculture
Part of speech: Verb
Definition: amcan diwygio'r PAC, newid o dalu am gynhyrchiant i dalu am ofal amgylcheddol a lles ac ansawdd cynnyrch
Last Updated: 25 February 2003
English: decoupling element of the MTR
Welsh: elfen ddatgysylltu o'r MTR
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last Updated: 10 January 2003
English: decoupling from production
Welsh: torri cysylltiad rhwng cynhyrchiant/lefel cynhyrchu a.... (yn rhan o ymadrodd)
Status C
Subject: Agriculture
Part of speech: Verb
Last Updated: 11 February 2004
English: decoupling subsidy payments from production
Welsh: datgysylltu cymorthdaliadau a chynhyrchiant
Status C
Subject: Agriculture
Part of speech: Verb
Last Updated: 25 February 2003
English: decoy
Welsh: adar denu
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: birds, sometimes animals
Last Updated: 14 April 2004
English: decoy pen
Welsh: corlan ddenu
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last Updated: 17 January 2013
English: decrease
Welsh: lleihad
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: decrease
Welsh: lleihau
Status B
Subject: ICT
Part of speech: Verb
Last Updated: 19 July 2005
English: decrease indent
Welsh: lleihau mewnoliad
Status B
Subject: ICT
Part of speech: Verb
Last Updated: 19 July 2005
English: decrease spacing
Welsh: lleihau bylchu
Status B
Subject: ICT
Part of speech: Verb
Last Updated: 19 July 2005
English: decreasing
Welsh: lleihaol
Status B
Subject: ICT
Part of speech: Adjective
Last Updated: 19 July 2005
English: decriminalise
Welsh: dad-droseddoli
Status B
Subject: Justice and order
Part of speech: Verb
Last Updated: 29 August 2012
English: decriminalised parking
Welsh: parcio wedi'i ddad-droseddoli
Status C
Subject: Justice and order
Part of speech: Verb
Definition: ‘Troseddau’ parcio nad ydynt yn cael eu cosbi trwy gyfraith.
Last Updated: 19 August 2003
English: decriminalization
Welsh: dad-droseddoli
Status B
Subject: Justice and order
Part of speech: Verb
Last Updated: 29 August 2012
English: decryption
Welsh: dadgriptio
Status B
Subject: ICT
Part of speech: Verb
Last Updated: 19 July 2005
English: DECS
Welsh: CGGB
Status C
Subject: Health
Part of speech: Verb
Definition: Delivering Emergency Care Services
Last Updated: 7 February 2008
English: DECS Model
Welsh: Model CGGB
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Strategaeth CGGB
Last Updated: 7 February 2008
English: DECWL
Welsh: AADG
Status A
Subject: Welsh Government posts and departments
Definition: Department for Education, Culture and the Welsh Language
Last Updated: 12 June 2007
English: DED
Welsh: Dyletswydd Cydraddoldeb i Bobl Anabl
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Definition: Disability Equality Duty
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
English: de-designate
Welsh: tynnu'r dynodiad oddi arno/arni/ar safle
Status C
Subject: Environment
Part of speech: Verb
Last Updated: 21 July 2011
English: dedicate
Welsh: cyflwyno
Status A
Subject: Law
Part of speech: Verb
Definition: Neilltuo tir ar gyfer defnydd y cyhoedd, neu at ddiben penodol (ee creu hawl tramwy).
Last Updated: 23 May 2019
English: dedicate a right of way
Welsh: cyflwyno hawl tramwy
Status A
Subject: Planning
Part of speech: Verb
Last Updated: 27 February 2014
English: dedicated learner transport
Welsh: cludiant penodedig i ddysgwyr
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Context: Termau o’r Memorandwm Esboniadol ar gyfer y Mesur Arfaethedig ynghylch Diogelwch ar Gludiant i Ddysgwyr (Cymru).
Last Updated: 8 December 2010
English: dedicated learner transport vehicles
Welsh: cerbydau penodedig sy’n darparu cludiant i ddysgwyr
Status C
Subject: Transport
Part of speech: Noun, Plural
Context: Termau o’r Memorandwm Esboniadol ar gyfer y Mesur Arfaethedig ynghylch Diogelwch ar Gludiant i Ddysgwyr (Cymru).
Last Updated: 8 December 2010
English: dedicated learner travel
Welsh: teithio penodedig gan ddysgwyr
Status C
Subject: Transport
Part of speech: Verb
Context: Termau o’r Memorandwm Esboniadol ar gyfer y Mesur Arfaethedig ynghylch Diogelwch ar Gludiant i Ddysgwyr (Cymru).
Last Updated: 8 December 2010
English: dedicated learner travel bus stock
Welsh: stoc bysiau penodedig ar gyfer teithio gan ddysgwyr
Status C
Subject: Transport
Part of speech: Noun, Feminine, Singular
Context: Termau o’r Memorandwm Esboniadol ar gyfer y Mesur Arfaethedig ynghylch Diogelwch ar Gludiant i Ddysgwyr (Cymru).
Last Updated: 8 December 2010
English: dedicated line
Welsh: llinell wedi'i neilltuo
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 19 July 2005
English: dedicated school bus
Welsh: bws ysgol penodedig
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Context: Termau o’r Memorandwm Esboniadol ar gyfer y Mesur Arfaethedig ynghylch Diogelwch ar Gludiant i Ddysgwyr (Cymru).
Last Updated: 8 December 2010