TermCymru

Results are displayed in alphabetical order.
Welsh: AC-NMW
English: AC-NMW
Status A
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: Amgueddfa Cymru - National Museum Wales
Last updated: 21 July 2011
Welsh: Acorn
English: Acorn
Status A
Subject: Housing
Definition: Geodemographic tool.
Last updated: 17 March 2009
Welsh: ACPO
English: ACPO
Status C
Subject: Local government
Part of speech: Noun, Feminine, Singular
Definition: Association of Chief Police Officers
Last updated: 17 August 2004
Welsh: ACPW
English: ACPW
Status B
Subject: Estates and Cadw
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am Asset Collaboration Programme Wales / Rhaglen Gydweithredu Cymru ar Asedau
Last updated: 9 August 2017
Welsh: acquis communautaire
English: acquis communautaire
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Acquis communautaire is a French term referring to the cumulative body of European Community laws, comprising the EC’s objectives, substantive rules, policies and, in particular, the primary and secondary legislation and case law – all of which form part of the legal order of the European Union (EU).
Last updated: 28 December 2017
Welsh: Acquis Schengen
English: Schengen Acquis
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 2 September 2004
Welsh: ACRES
English: ACRES
Status C
Subject: Agriculture
Context: Agricultural Carbon Reductionand Efficiency Scheme
Last updated: 16 April 2010
Welsh: ACRhC
English: WRPA
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Definition: Wales Rail Planning Assessment
Last updated: 30 August 2007
Welsh: act
English: act
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: actau
Definition: peth y penderfynir arno mewn cynulliad penderfyniadol e.e. cyngor, deddfwrfa, llys barn
Last updated: 8 July 2021
Welsh: actau
English: acts
Status C
Subject: Law
Part of speech: Noun, Plural
Definition: Something transacted in council, or in a deliberative assembly, hence, a decree passed by a legislative body, a court of justice, etc. Also in biblical context.
Last updated: 24 January 2005
Welsh: actau ymaelodi
English: acts of accession
Status C
Subject: Law
Part of speech: Noun, Plural
Last updated: 24 January 2005
Welsh: Act Ewropeaidd Gyfun
English: Single European Act
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Definition: SEA
Last updated: 9 February 2005
Welsh: Act Ewropeaidd Gyfun
English: SEA
Status C
Subject: Titles of legislation
Part of speech: Noun, Masculine, Singular
Definition: Single European Act
Last updated: 5 July 2011
Welsh: actifyddion iechyd
English: health activists
Status C
Subject: Health
Part of speech: Noun, Plural
Last updated: 21 October 2008
Welsh: actiniwm
English: actinium
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Ac
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: Action on Hearing Loss Cymru
English: Action on Hearing Loss Cymru
Status C
Subject: Health
Part of speech: Neutral
Last updated: 8 November 2011
Welsh: Actiwari’r Cynllun
English: Scheme Actuary
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 15 December 2022
Welsh: Act on CO2
English: Act on CO2
Status C
Subject: Environment
Definition: Enw cyfrifydd carbon (carbon calculator) Defra. Mae'n bosibl mai 'Lleihau'ch CO2' fydd y fersiwn Gymraeg.
Last updated: 11 July 2007
Welsh: Acton Fechan
English: Little Acton
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Wrecsam. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Wrecsam (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: actor ar ran cenedl-wladwriaeth
English: nation-state actor
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: Yng nghyd-destun seiberddiogelwch, actor seiberfygythiad ('cyber threat actor') sy'n rhan o gyfundrefn cenedl-wladwriaeth neu'n derbyn cyfarwyddyd, cyllid neu gymorth technegol gan genedl-wladwriaeth.
Last updated: 9 May 2024
Welsh: actor cynorthwyol
English: supporting actor
Status C
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last updated: 13 February 2007
Welsh: actor seiberfygythiad
English: cyber threat actor
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: actorion seiberfygythiad
Definition: Yng nghyd-destun seiberddiogelwch, person neu grŵp sy'n cymryd rhan mewn ymosodiad bwriadol neu faleisus ar gyfrifiaduron, dyfeisiau, systemau neu rwydweithiau ac yn ennill mynediad iddynt er mwyn peryglu, dwyn, newid neu ddinistrio gwybodaeth.
Notes: Weithiau gwelir y ffurf symlach 'threat actor' yn Saesneg. Argymhellir parhau i ddefnyddio 'actor seiberfygythiad' yn Gymraeg wrth drosi'r ffurf honno os mai seiberddiogelwch yw'r maes.
Last updated: 9 May 2024
Welsh: actus reus neu weithred droseddol
English: actus reus or guilty act
Status B
Subject: Justice and order
Last updated: 2 August 2012
Welsh: Act Ymaelodi
English: Act of Accession
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Actau Ymaelodi
Last updated: 28 December 2017
Welsh: act ymddiriedaeth
English: act of entrustment
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: actau ymddiriedaeth
Definition: An Act of Entrustment is one of four essential requirements which must be in place under European Community law in order to ensure that the financial compensation paid to an organisation providing a public service is not treated as "State Aid" as defined by the Treaty on the Functioning of the European Union.
Notes: Nid “act” yr yr ystyr “deddf” yw hon, gan nad yw’n ddarn o ddeddfwriaeth sylfaenol.
Last updated: 30 November 2015
Welsh: acwaponeg
English: aquaponics
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 12 August 2021
Welsh: acwariwm
English: aquarium
Status C
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last updated: 15 November 2006
Welsh: acwsteg
English: acoustics
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Last updated: 10 August 2004
Welsh: acwstig
English: acoustic
Status C
Subject: Education
Part of speech: Adjective
Last updated: 10 August 2004
Welsh: acíwt
English: acute
Status B
Subject: Health
Part of speech: Adjective
Last updated: 24 July 2003
Welsh: adain ganol
English: mid feather
Status C
Subject: Estates and Cadw
Part of speech: Noun, Feminine, Singular
Definition: A thin piece of wood within the sash box, which keeps the two weights apart as they move up and down; also called a 'parting slip'.
Context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.
Last updated: 23 April 2015
Welsh: adain garpiog
English: comma
Status A
Subject: Animals
Part of speech: Noun, Feminine, Singular
Definition: type of butterfly
Last updated: 28 September 2005
Welsh: Adain Orllewinol Ysbyty Brenhinol Caerdydd
English: Cardiff Royal Infirmary West Wing
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 29 November 2005
Welsh: Adain Uchaf y Gorllewin
English: Upper West Wing
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: Rhan o'r Amgueddfa Genedlaethol.
Last updated: 26 March 2007
Welsh: Adain y De
English: South Wing
Status C
Subject: Place-names
Part of speech: Noun, Feminine, Singular
Definition: Cathays Park
Last updated: 28 September 2005
Welsh: Adain y Dwyrain
English: East Wing
Status C
Subject: Place-names
Part of speech: Noun, Feminine, Singular
Definition: Cathays Park
Last updated: 28 September 2005
Welsh: Adain y Gogledd
English: North Wing
Status C
Subject: Place-names
Part of speech: Noun, Feminine, Singular
Definition: Cathays Park
Last updated: 28 September 2005
Welsh: Adain y Gorllewin
English: West Wing
Status C
Subject: Place-names
Part of speech: Noun, Feminine, Singular
Definition: Cathays Park
Last updated: 28 September 2005
Welsh: adalw
English: retrieve
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: adalw
English: recall
Status A
Subject: Politics
Part of speech: Verb
Definition: Y broses y gall etholwyr ei defnyddio i gael gwared ar gynrychiolwyr etholedig sy'n euog o gamymddygiad difrifol.
Last updated: 9 October 2025
Welsh: adalwad
English: retrieval
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last updated: 19 July 2005
Welsh: adalw am gyfnod penodol
English: fixed-term recall
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Definition: Ailgarcharu troseddwr a ryddhawyd ar drwydded cyn diwedd cyfnod ei ddedfryd, am gyfnod penodol (fel arfer, 14 diwrnod), yn sgil torri amodau'r drwydded honno.
Notes: Cymharer â standard recall / adalw safonol.
Last updated: 5 March 2025
Welsh: adalw amgylcheddol
English: environmental recall
Status B
Subject: Environment
Definition: Adalw nwyddau am nad ydynt yn cydymffurfio â safonau neu gyfreithiau amgylcheddol.
Last updated: 18 November 2021
Welsh: adalw data
English: data retrieval
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: adalw pob cofnod
English: retrieve all records
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: adalw safonol
English: standard recall
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Definition: Ailgarcharu troseddwr a ryddhawyd ar drwydded cyn diwedd cyfnod ei ddedfryd, tan ddiwedd y ddedfryd honno, yn sgil torri amodau'r drwydded honno.
Notes: Cymharer â fixed-term recall / adalw am gyfnod penodol.
Last updated: 5 March 2025
Welsh: Adamsdown
English: Adamsdown
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Caerdydd
Last updated: 14 August 2003
Welsh: Adamsdown
English: Adamsdown
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: Adapt
English: Adapt
Status A
Subject: Personnel
Definition: It extends the successful ReAct scheme, which was set up in October 2008 to help private sector employees facing redundancy during the recession. Adapt will provide training, advice and guidance to the public sector.
Last updated: 12 December 2011
Welsh: ADAPT: Newid gyrfa ac un man cyswllt ar gyfer cyflogwyr a gweithwyr yn y sector cyhoeddus
English: ADAPT: Career transition and single point of contact for public sector employers and employees
Status A
Subject: Personnel
Definition: from Careers Wales, Welsh Government, Jobcentre Plus and Wales TUC. Published by the Welsh Government 2011.
Last updated: 4 January 2012