TermCymru

Results are displayed in alphabetical order.
English: online marketplace
Welsh: marchnadle ar-lein
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: marchnadleoedd ar-lein
Definition: Yng nghyd-destun Rheoliadau Bwyd (Hyrwyddo a Chyflwyno) (Cymru) 2025, unrhyw feddalwedd (gan gynnwys gwefan, rhan o wefan, neu raglen) a ddefnyddir i gynnig cynhyrchion y busnes cymhwysol ar werth i ddefnyddwyr.
Notes: Daw'r testun cyd-destunol o Reoliadau Bwyd (Hyrwyddo a Chyflwyno) (Cymru) 2025
Last Updated: 13 June 2025
English: online message boards
Welsh: byrddau negeseuon ar-lein
Status C
Subject: ICT
Part of speech: Noun, Plural
Last Updated: 21 October 2008
English: online portal
Welsh: porth ar-lein
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Plural: pyrth ar-lein
Notes: Yng nghyd-destun y dreth gyngor ac ardrethi annomestig.
Last Updated: 31 January 2024
English: online publication
Welsh: cyhoeddiad ar-lein
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: A non-print work which is accessed or delivered by means of the internet (including an electronic publication which comprises material packaged and filtered in response to an enquiry from a user) but not including a private intranet.
Last Updated: 25 January 2011
English: Online Recruitment Communication Centre
Welsh: Canolfan Cyfathrebu Recriwtio Ar-lein
Status C
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Last Updated: 4 January 2012
English: Online Safety Act 2023
Welsh: Deddf Diogelwch Ar-lein 2023
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last Updated: 1 March 2024
English: Online Safety Bill
Welsh: Y Bil Diogelwch Ar-lein
Status B
Subject: Titles of legislation
Part of speech: Noun, Masculine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth ddrafft gan Lywodraeth y DU sydd ar gael yn Saesneg yn unig.
Last Updated: 19 May 2022
English: online self assessment
Welsh: hunanasesiad ar-lein
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 21 July 2011
English: online service provider
Welsh: darparwr gwasanaeth ar-lein
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: Online Services
Welsh: Gwasanaethau Ar-lein     
Status C
Subject: ICT
Part of speech: Noun, Plural
Last Updated: 7 June 2011
English: onlookers
Welsh: gwylwyr
Status C
Subject: Education
Part of speech: Noun, Plural
Definition: in the context of bullying
Last Updated: 27 September 2006
English: on-off costs
Welsh: costau untro
Status C
Subject: Economic development
Part of speech: Noun, Plural
Last Updated: 5 September 2003
English: on-peak electricity
Welsh: trydan oriau brig
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 10 January 2003
English: on position
Welsh: safle ymlaen
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 19 July 2005
English: ONR
Welsh: Y Swyddfa Reoleiddio Niwclear
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am Office for Nuclear Regulation.
Last Updated: 23 March 2021
English: on remand
Welsh: ar remánd
Status C
Subject: Law
Part of speech: Verb
Context: Having been remanded.
Last Updated: 4 May 2011
English: on-resonant
Welsh: ar-gyseiniol
Status B
Subject: Economic development
Part of speech: Adjective
Context: Nuclear physics
Last Updated: 16 March 2012
English: ONS
Welsh: SYG
Status B
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Definition: Office for National Statistics
Notes: Deellir fod y Swyddfa Ystadegau Gwladol yn ffafrio defnyddio acronym Cymraeg ar eu henw.
Last Updated: 25 July 2022
English: on-screen assistance
Welsh: cymorth sgrin
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: on-screen encyclopaedia
Welsh: gwyddoniadur sgrin
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: on-screen menu
Welsh: dewislen sgrin
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 19 July 2005
English: ONS Data Explorer
Welsh: Archwiliwr Data SYG
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Software for handling data sets.
Last Updated: 20 September 2012
English: onset
Welsh: dechrau
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun salwch neu symptomau, ac ati.
Last Updated: 25 June 2020
English: onshore
Welsh: ar y tir
Status C
Subject: Environment
Part of speech: Adjective
Last Updated: 8 December 2004
English: onshore oil and gas operations
Welsh: gweithrediadau olew a nwy ar y tir
Status C
Subject: Environment
Part of speech: Noun, Plural
Last Updated: 23 July 2003
English: Onshore Renewable Energy Policy Team
Welsh: Y Tîm Polisi Ynni Adnewyddadwy ar y Tir
Status A
Subject: Place-names
Part of speech: Noun, Masculine, Singular
Last Updated: 21 September 2017
English: onshore resource management plan
Welsh: cynllun rheoli adnoddau’r glannau
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 19 December 2011
English: onshore substation
Welsh: is-orsaf ar y tir
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 8 December 2004
English: onshore wind
Welsh: ynni gwynt ar y tir
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Context: Mae Llywodraeth Cymru wedi gweithio gyda’r diwydiant ynni ar y tir i gynnal asesiad o’r cyf eoedd i sicrhau buddiannau economaidd a chymunedol o ddatblygiadau ynni gwynt masnachol yng Nghymru.
Last Updated: 5 September 2019
English: onshore wind farm
Welsh: fferm wynt ar y tir
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 13 August 2003
English: on-slip road
Welsh: ffordd ymuno
Status A
Subject: Transport
Part of speech: Noun, Feminine, Singular
Plural: ffyrdd ymuno
Definition: ffordd (unffordd, fel arfer) fer sy'n galluogi traffig i ymuno â phriffordd
Context: Y darn hwnnw o brif gerbytffordd tua'r dwyrain y draffordd o'r man lle y mae'r ffordd ymadael tua'r dwyrain wrth Gyffordd 24 Coldra yn gwyro o brif gerbytffordd tua'r dwyrain y draffordd i'r man lle y mae'r ffordd ymuno tua'r dwyrain wrth Gyffordd 23A Magwyr yn uno â phrif gerbytffordd tua'r dwyrain y draffordd.
Last Updated: 16 November 2021
English: ONS Project Board
Welsh: Bwrdd Prosiect y SYG
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Office of National Statistics
Last Updated: 19 July 2006
English: ONS Regional Accounts
Welsh: Cyfrifon Rhanbarthol ONS
Status C
Subject: Finance and statistics
Part of speech: Noun, Plural
Last Updated: 23 December 2005
English: on-street charging
Welsh: gwefru ar y stryd
Status B
Subject: Transport
Part of speech: Verb
Plural: mannau gwefru ar y stryd
Notes: Yng nghyd-destun cerbydau trydan.
Last Updated: 22 December 2022
English: on-street charging
Welsh: gwefru ar y stryd
Status B
Subject: Transport
Part of speech: Verb
Context: The UK Office for Zero Emissions Vehicles administer grant funding schemes for home charging, workplace charging and on-street charging, as detailed in Section 4.
Notes: Yng nghyd-destun cerbydau trydan.
Last Updated: 19 December 2024
English: on-street charging point
Welsh: man gwefru ar y stryd
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: mannau gwefru ar y stryd
Notes: Yng nghyd-destun cerbydau trydan.
Last Updated: 22 December 2022
English: On-Street Residential Chargepoint Scheme
Welsh: Y Cynllun Mannau Gwefru Preswyl ar y Stryd
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Context: 145 charge points in Wales supported by the On-Street Residential Chargepoint Scheme funding as of October 2020.
Notes: Teitl ar gynllun gan Lywodraeth Cymru.
Last Updated: 19 December 2024
English: on-territory agent
Welsh: asiant ar lawr gwlad dramor
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun trefnu teithiau tramor.
Last Updated: 9 December 2021
English: on-territory operator
Welsh: trefnydd ar lawr gwlad dramor
Status B
Subject: Tourism and leisure
Part of speech: Noun, Feminine
Notes: Yng nghyd-destun trefnu teithiau tramor.
Last Updated: 9 December 2021
English: on the approach to
Welsh: wrth ddynesu at
Status C
Subject: Transport
Last Updated: 9 December 2004
English: on the balance of probabilities
Welsh: yn ôl pwysau tebygolrwydd
Status C
Subject: Law
Last Updated: 17 May 2011
English: on the face of the Act
Welsh: ar wyneb y Ddeddf
Status C
Subject: Law
Part of speech: Adjective
Last Updated: 2 November 2010
English: on the face of the Bill
Welsh: ar wyneb y Mesur
Status C
Subject: Law
Part of speech: Preposition
Last Updated: 29 January 2010
English: on the ground
Welsh: ar lawr gwlad
Status C
Subject: Social services
Part of speech: Preposition
Last Updated: 23 October 2003
English: on-the-job training
Welsh: hyfforddiant yn y gwaith
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last Updated: 30 July 2007
English: On the road to World class Training and Education
Welsh: Ar y Ffordd i Hyfforddiant ac Addysg o Safon Fyd-Eang
Status B
Subject: Education
Definition: Cyhoeddiad gan ELWa
Last Updated: 6 November 2003
English: On-The-Spot Check
Welsh: Archwiliad ar y Fferm
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: Archwiliadau ar y Fferm
Notes: Mae’r term Saesneg hwn yn gyfystyr ag On-The-Spot Control. Defnyddir yr acronym OTSC yn gyffredin.
Last Updated: 1 October 2025
English: On-The-Spot Control
Welsh: Archwiliad ar y Fferm
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: Archwiliadau ar y Fferm
Notes: Mae’r term Saesneg hwn yn gyfystyr ag On-The-Spot Check. Defnyddir yr acronym OTSC yn gyffredin.
Last Updated: 1 October 2025
English: on the spot fines
Welsh: dirwyon yn y fan a'r lle
Status C
Subject: Transport
Part of speech: Noun, Plural
Last Updated: 8 October 2003
English: on track
Welsh: ar y trywydd iawn
Status C
Subject: General
Part of speech: Verb
Last Updated: 14 June 2004