TermCymru

Results are displayed in English alphabetical order A-Z
English: OFTW
Welsh: Statws heb TB swyddogol wedi’i ddiddymu
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Officially TB Free Withdrawn
Last Updated: 6 April 2011
English: Ofwat
Welsh: Ofwat
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Water Services Regulation Authority
Last Updated: 4 January 2006
English: OGC
Welsh: Swyddfa Masnach y Llywodraeth
Status A
Subject: General
Part of speech: Proper noun, Feminine, Singular
Definition: Office of Government Commerce
Context: UK Government.
Last Updated: 15 July 2005
English: ogee profile gutters
Welsh: landeri ogee
Status C
Subject: Estates and Cadw
Part of speech: Noun, Plural
Last Updated: 20 January 2006
English: OGL
Welsh: Y Drwydded Llywodraeth Agored
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am 'Open Government Licence'.
Last Updated: 8 September 2022
English: Ogmore
Welsh: Ogwr
Status A
Subject: Politics
Part of speech: Proper noun
Definition: Constituency
Last Updated: 25 June 2002
English: Ogmore Castle
Welsh: Castell Ogwr
Status A
Subject: Estates and Cadw
Part of speech: Proper noun
Notes: Dyma'r ffurfiau a ddefnyddir yn swyddogol gan Cadw yn y ddwy iaith am yr heneb dan sylw. Safonwyd gan Banel Safoni Enwau Lleoedd Comisiynydd y Gymraeg, mewn ymgynghoriad â Cadw.
Last Updated: 24 October 2024
English: Ogmore Vale
Welsh: Bro Ogwr
Status C
Subject: Place-names
Part of speech: Proper noun
Last Updated: 6 December 2005
English: Ogmore Vale
Welsh: Bro Ogwr
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Pen-y-bont ar Ogwr. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Pen-y-bont ar Ogwr (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: OGP
Welsh: OGP
Status B
Subject: Politics
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am yr Open Government Partnership / y Bartneriaeth Llywodraeth Agored
Last Updated: 11 May 2017
English: OGTT
Welsh: OGTT
Status C
Subject: Health
Part of speech: Neutral
Definition: Oral Glucose Tolerance Test
Last Updated: 23 September 2004
English: Ogwr DASH
Welsh: DASH Ogwr
Status C
Subject: Social services
Part of speech: Neutral
Definition: A drugs and alcohol self-help group offering 'treatment', ie counselling to drugs/alcohol users, families and friends. Voluntary harm reduction for those with drug and alcohol problems, families and friends.
Last Updated: 10 March 2008
English: OH
Welsh: Iechyd Galwedigaethol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Occupational Health
Last Updated: 30 May 2008
English: OHP
Welsh: uwchdaflunydd
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: overhead projector
Last Updated: 15 July 2005
English: OHSL
Welsh: Llyfrgell Arbenigol Iechyd y Geg
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Oral Health Specialist Library
Last Updated: 22 August 2013
English: OIA
Welsh: SDA
Status A
Subject: Education
Definition: Office of the Independent Adjudicator
Last Updated: 7 May 2013
English: OIG
Welsh: Grŵp Effaith Weithredol y GIG
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: NHS Operational Impact Group
Last Updated: 7 July 2010
English: oil and gas extraction
Welsh: echdynnu olew a nwy
Status C
Subject: Environment
Part of speech: Verb
Last Updated: 12 September 2007
English: oil and gas heating
Welsh: gwresogi ag olew neu nwy
Status C
Subject: Environment
Part of speech: Verb
Last Updated: 8 July 2008
English: oil extracted oilseeds
Welsh: hadau olew y tynnwyd yr olew ohonynt
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 28 March 2018
English: Oil Firing Technical Association
Welsh: Cymdeithas Dechnegol Llosgi Olew
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: OFTEC
Last Updated: 6 April 2011
English: oil pipeline
Welsh: piblinell olew
Status C
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Last Updated: 18 August 2014
English: oil plants
Welsh: planhigion olew
Status C
Subject: Plants
Part of speech: Noun, Plural
Last Updated: 5 June 2006
English: Oil Pollution Preparedness, Response and Co-operation Convention 1990
Welsh: Confensiwn Bod yn Barod am Lygredd Olew, Ymateb Iddo a Chydweithredu mewn Perthynas ag Ef 1990
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Yr offeryn rhyngwladol sy’n rhoi’r fframwaith ar gyfer hwyluso cydweithrediad a chymorth rhyngwladol wrth baratoi rhag digwyddiadau mawr o lygru ag olew, ac wrth ymateb iddynt.
Last Updated: 15 June 2023
English: oilseed
Welsh: had olew
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 24 February 2003
English: oilseed rape
Welsh: rêp had olew
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 1 October 2020
English: oilseed rape seeds
Welsh: hadau rêp had olew
Status C
Subject: Environment
Part of speech: Noun, Plural
Last Updated: 24 February 2003
English: oilseeds
Welsh: hadau olew
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 28 March 2018
English: oily fish
Welsh: pysgodyn olewog
Status A
Subject: Food
Part of speech: Noun, Masculine, Singular
Plural: pysgod olewog
Definition: Pysgodyn o fath sydd ag olew drwy'r meinweoedd yn ogystal ag o amgylch y perfedd.
Last Updated: 4 April 2019
English: OJEU
Welsh: Cyfnodolyn Swyddogol yr Undeb Ewropeaidd
Status A
Subject: Europe
Part of speech: Noun, Masculine, Singular
Definition: Official Journal of the European Union
Last Updated: 20 March 2007
English: OLC
Welsh: Swyddfa'r Cwnsleriaid Deddfwriaethol
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am Office of Legislative Counsel. Swyddfa yng Ngrŵp y Prif Weinidog a Swyddfa'r Cabinet, Mai 2026.
Last Updated: 18 May 2026
English: Old Beaupre Castle
Welsh: Hen Gastell y Bewpyr
Status A
Subject: Estates and Cadw
Part of speech: Proper noun
Notes: Dyma'r ffurfiau a ddefnyddir yn swyddogol gan Cadw yn y ddwy iaith am yr heneb dan sylw. Safonwyd gan Banel Safoni Enwau Lleoedd Comisiynydd y Gymraeg, mewn ymgynghoriad â Cadw.
Last Updated: 24 October 2024
English: Oldcastle
Welsh: Yr Hengastell
Status C
Subject: Place-names
Definition: Bridgend
Context: Pen-y-bont ar Ogwr
Last Updated: 3 November 2009
English: Oldcastle
Welsh: Hengastell
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Pen-y-bont ar Ogwr. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Pen-y-bont ar Ogwr (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Older and Bolder in Wales - Learning Later in Life
Welsh: Hŷn a Hyderus yng Nghymru - Dysgu yn Hwyrach mewn Bywyd
Status C
Subject: Health
Part of speech: Neutral
Last Updated: 21 April 2008
English: Older Cattle Disposal Scheme
Welsh: Cynllun Gwaredu Hen Wartheg
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 24 October 2005
English: Older Cattle (Disposal) (Wales) Regulations 2006
Welsh: Rheoliadau Gwartheg Hŷn (Gwaredu) (Cymru) 2006
Status A
Subject: Agriculture
Part of speech: Noun, Plural
Last Updated: 10 February 2006
English: older cultural explorer couples
Welsh: cyplau hŷn sy'n chwilio am antur a diwylliant
Status B
Subject: Tourism and leisure
Part of speech: Noun, Plural
Notes: Grwp demograffig sy'n cael ei dargedu gan Croeso Cymru
Last Updated: 28 November 2017
English: Older Lesbian, Gay, Bisexual and Transgender People
Welsh: Pobl Lesbiaidd, Hoyw, Ddeurywiol a Thrawsryweddol Hŷn
Status A
Subject: Social services
Part of speech: Noun, Plural
Definition: OLGBT
Last Updated: 7 July 2015
English: Older People and Ageing Network
Welsh: Rhwydwaith Pobl Hŷn a Heneiddio
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: OPAN
Last Updated: 2 July 2008
English: Older People and Carers Policy Manager
Welsh: Rheolwr Polisi Pobl Hŷn a Gofalwyr
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 15 August 2019
English: Older People and Long Term Care Policy
Welsh: Polisi Pobl Hŷn a Gofal Hirdymor
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last Updated: 27 May 2004
English: Older People and Long Term Care Policy Branch
Welsh: Y Gangen Polisi Pobl Hŷn a Gofal Hirdymor
Status C
Subject: Social services
Last Updated: 28 April 2004
English: Older People and Long Term Care Policy Directorate
Welsh: Y Gyfarwyddiaeth Polisi Pobl Hŷn a Gofal Hirdymor
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Last Updated: 26 October 2004
English: Older People and Long Term Care Policy Division
Welsh: Is-adran Polisi Pobl Hŷn a Gofal Hirdymor
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Last Updated: 14 June 2004
English: Older People Coordinators Network e-Bulletin
Welsh: e-Fwletin Rhwydwaith Cydgysylltwyr Pobl Hŷn
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last Updated: 23 June 2010
English: older people's champion
Welsh: eiriolwr dros bobl hŷn
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: eiriolwyr dros bobl hŷn
Last Updated: 22 April 2025
English: Older People’s Commissioner
Welsh: Comisiynydd Pobl Hŷn
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Context: Mae'r Comisiynydd Pobl Hŷn yn diogelu ac yn hyrwyddo hawliau a lles Pobl Hŷn a ac yn sicrhau bod Cymru'n wlad lle mae pobl hŷn yn cael eu parchu, eu gwerthfawrogi a'u cefnogi i fyw bywyd diogel a dedwydd.
Last Updated: 21 September 2017
English: Older People's Commissioner for Wales
Welsh: Comisiynydd Pobl Hŷn Cymru
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last Updated: 27 January 2010
English: Older People's Commissioner for Wales
Welsh: Comisiynydd Pobl Hŷn Cymru
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last Updated: 21 July 2022