TermCymru

Results are displayed in alphabetical order.
English: O level
Welsh: Lefel O
Status B
Subject: Education
Part of speech: Noun, Feminine, Singular
Last Updated: 23 July 2003
English: OLG
Welsh: OLG
Status C
Subject: Social services
Definition: Overarching Leadership Group
Last Updated: 14 June 2004
English: OLGBT
Welsh: Pobl Lesbiaidd, Hoyw, Ddeurywiol a Thrawsryweddol Hŷn
Status A
Subject: Personnel
Part of speech: Noun, Plural
Definition: Older Lesbian, Gay, Bisexual and Transgender People
Last Updated: 30 September 2021
English: olive
Welsh: olif
Status A
Subject: Food
Part of speech: Noun, Masculine, Singular
Plural: olifau
Last Updated: 21 July 2022
English: olive oil
Welsh: olew olewydd
Status A
Subject: Food
Part of speech: Noun, Masculine, Singular
Last Updated: 21 July 2022
English: Olivier Mythodrama
Welsh: Olivier Mythodrama
Status C
Subject: Personnel
Definition: Teitl rhaglen PSMW.
Last Updated: 2 June 2006
English: OLS
Welsh: Swyddfa Gwyddorau Bywyd
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Office of Life Sciences
Last Updated: 10 November 2010
English: Olympic
Welsh: Olympaidd
Status C
Subject: Tourism and leisure
Part of speech: Adjective
Last Updated: 20 September 2005
English: Olympic Delivery Authority
Welsh: Awdurdod Gweithredu'r Gemau Olympaidd
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 19 October 2011
English: Olympic flame
Welsh: fflam Olympaidd
Status C
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last Updated: 23 May 2012
English: Olympic Fund
Welsh: Y Gronfa Olympaidd
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Definition: Lottery
Last Updated: 6 November 2003
English: Olympic Games
Welsh: Y Gemau Olympaidd
Status C
Subject: Tourism and leisure
Part of speech: Noun, Plural
Last Updated: 20 September 2005
English: Olympic, Paralympic and Commonwealth Games Qualification Events
Welsh: Digwyddiadau Cymhwyso ar gyfer y Gemau Olympaidd, y Gemau Paralympaidd a Gemau'r Gymanwlad
Status B
Subject: Tourism and leisure
Part of speech: Noun, Plural
Last Updated: 2 July 2020
English: Olympic torch
Welsh: ffagl Olympaidd
Status C
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Last Updated: 23 May 2012
English: Olympic Torch Relay
Welsh: Taith Gyfnewid y Fflam Olympaidd
Status C
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Last Updated: 21 July 2011
English: Oman
Welsh: Oman
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last Updated: 17 August 2021
English: Ombudsman
Welsh: Ombwdsmon
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last Updated: 8 November 2004
English: Ombudsmen's Services in Wales: Time for Change?
Welsh: Gwasanaethau Ombwdsmon yng Nghymru: Amser am Newid?
Status A
Subject: Local government
Part of speech: Proper noun, Plural
Definition: Dogfen y Cynulliad.
Last Updated: 19 March 2003
English: omic
Welsh: omig
Status B
Subject: Health
Part of speech: Adjective
Notes: Y ffurf ansoddeiriol ar y term omics/omeg. Gweler y cofnod hwnnw am ddiffiniad.
Last Updated: 25 November 2022
English: Omicron
Welsh: Omicron
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Enw ar un o amrywolion coronafeirws, SARS-CoV-2.
Last Updated: 9 December 2021
English: omics
Welsh: omeg
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Casgliad o amryw ddisgyblaethau ym maes bioleg sy’n gorffen â’r terfyniad -omeg, ee genomeg, proteomeg, metabolomeg.
Last Updated: 25 November 2022
English: OMIS
Welsh: Gwasanaeth Cyflwyno Marchnadoedd Tramor
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Overseas Market Introduction Service
Last Updated: 29 April 2005
English: omission
Welsh: hepgoriad
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 29 August 2007
English: omissions
Welsh: anweithiau
Status C
Subject: Law
Part of speech: Noun, Plural
Context: Mesur Arfaethedig y Gymraeg.
Last Updated: 1 September 2010
English: omit
Welsh: hepgor
Status A
Subject: Law
Part of speech: Verb
Definition: tynnu rhan o ddeddfiad o ddeddfiad er mwyn diddymu neu ddirymu'r rhan honno
Context: Yn gyffredinol, pan fo darpariaeth yn neddfwriaeth sylfaenol y DU wedi ei datgymhwyso o ran Lloegr a bwriedir na fydd yn gymwys mwyach o ran Cymru, mae’r Rheoliadau yn darparu i’r ddarpariaeth honno gael ei hepgor neu (os yw hyn yn gymwys i Ddeddf gyfan) ei diddymu.
Last Updated: 16 November 2021
English: omnibus
Welsh: omnibws
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Surveys conducted regularly by a research agency, but which can be sponsored by a number of clients who do not share the same data but who buy access to survey questions to meet their individual needs.
Last Updated: 29 September 2011
English: OMS
Welsh: Y Cynllun Cynnal Organig
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Context: Organic Maintenance Scheme
Last Updated: 10 September 2009
English: on
Welsh: ymlaen
Status B
Subject: ICT
Part of speech: Adverb
Last Updated: 19 July 2005
English: on a cost plus basis
Welsh: ar sail y gost a'r elw
Status C
Subject: Finance and statistics
Part of speech: Adverb
Last Updated: 2 August 2006
English: on active service
Welsh: ar wasanaeth gweithredol
Status A
Subject: Politics
Part of speech: Adjective
Context: In the armed forces.
Last Updated: 30 August 2013
English: on an accommodated basis
Welsh: drwy gytundeb y rhieni
Status C
Subject: Social services
Definition: Hwn yn derm newydd ym maes plant sy'n derbyn gofal. Mae rhai yn cael eu rhoi mewn gofal drwy orchymyn yr heddlu, gorchymyn gofal etc, a'r lleill gyda chaniatâd y rhieni, sef 'on an accommodated basis'.
Last Updated: 22 February 2006
English: on a unit by unit basis
Welsh: fesul uned
Status A
Subject: Housing
Part of speech: Adjective
Last Updated: 22 January 2014
English: On Balance: Diversifying Democracy in Local Government in Wales
Welsh: Ar ôl Pwyso a Mesur: Sicrhau Democratiaeth Amrywiol mewn Llywodraeth Leol yng Nghymru
Status A
Subject: Local government
Part of speech: Proper noun
Definition: Document title.
Last Updated: 23 June 2014
English: on balance sheet
Welsh: ar y fantolen
Status A
Subject: Finance and statistics
Part of speech: Adjective
Definition: Trafodiadau lle mae'r cyllid a'r ased yn ymddangos ar y fantolen.
Notes: Term o faes cyfrifyddu.
Last Updated: 4 December 2018
English: on-boarding
Welsh: cynefino
Status B
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Definition: Onboarding, also known as organizational socialization, refers to the mechanism through which new employees acquire the necessary knowledge, skills, and behaviors to become effective organizational members and insiders
Notes: Defnyddir y ffurf 'onboarding' yn Saesneg hefyd
Last Updated: 27 April 2017
English: on call
Welsh: ar alwad
Status C
Subject: Personnel
Part of speech: Adjective
Definition: Dogfen ar Reoliadau Amser Gwaith.
Last Updated: 14 September 2004
English: on-call working
Welsh: gweithio ar alwad
Status C
Subject: Personnel
Part of speech: Verb
Last Updated: 26 October 2004
English: once-a-month injection
Welsh: pigiad unwaith y mis
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: pigiadau unwaith y mis
Last Updated: 9 April 2020
English: Once for Wales
Welsh: Unwaith i Gymru
Status C
Subject: ICT
Part of speech: Proper noun
Last Updated: 21 December 2015
English: Once for Wales Concerns Management System
Welsh: System Rheoli Pryderon Unwaith i Gymru
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Menter gan GIG Cymru.
Last Updated: 5 March 2020
English: Once for Wales; Delivering for Wales
Welsh: Unwaith dros Gymru; Cyflawni dros Gymru
Status B
Subject: General
Part of speech: Proper noun
Last Updated: 8 May 2025
English: oncology and palliative care
Welsh: oncoleg a gofal lliniarol
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last Updated: 15 March 2004
English: oncology specialist
Welsh: arbenigwr oncoleg
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 17 January 2007
English: On Common Ground
Welsh: Ar Dir Cyffredin
Status C
Subject: Culture and the arts
Part of speech: Proper noun
Definition: OCG - NMGW project.
Last Updated: 15 July 2005
English: on-costs
Welsh: argostau
Status C
Subject: Finance and statistics
Part of speech: Noun, Plural
Last Updated: 3 April 2013
English: OND
Welsh: Swyddfa Datblygu Niwclear
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Office for Nuclear Development
Last Updated: 27 April 2010
English: One4all centres
Welsh: Canolfannau i Bob Un
Status C
Subject: Social services
Part of speech: Noun, Plural
Definition: Canolfannau Cymorth Rhondda Cynon Taf
Last Updated: 12 September 2007
English: one and two yearly parishes
Welsh: plwyfi profion pob blwyddyn neu ddwy flynedd
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Definition: Plwyf y mae'n rhaid cynnal profion TB ar bob buches ynddi gan fod achos o TB wedi bod yno.
Last Updated: 7 January 2008
English: one-boat operated purse seine
Welsh: llawesrwyd sy’n cael ei gweithio o un cwch
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Plural: llawesrwydi sy'n cael eu gweithio o un cwch
Last Updated: 26 March 2020
English: One Goal
Welsh: Un Gôl
Status A
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Notes: Slogan sy’n rhan o ymgyrch Show Racism the Red Card yng Nghymru.
Last Updated: 16 December 2015