TermCymru

Results are displayed in alphabetical order.
English: ODP
Welsh: ODP
Status C
Subject: Health
Part of speech: Neutral
Definition: operating department practitioner
Last Updated: 23 September 2004
English: ODPF
Welsh: Fforwm Partneriaeth Cyflawni Gweithredol
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Operational Delivery Partners Forum
Last Updated: 2 August 2012
English: ODPM
Welsh: ODPM
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Definition: Office of the Deputy Prime Minister
Context: Former UK Cabinet post.
Last Updated: 21 July 2005
English: ODTC
Welsh: Canolfan Diagnosteg a Thriniaeth Offthalmig
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Ophthalmic Diagnostic and Treatment Centre
Last Updated: 11 January 2013
English: OECD
Welsh: Y Sefydliad ar gyfer Cydweithrediad a Datblygiad Economaidd
Status A
Subject: Economic development
Part of speech: Proper noun, Masculine, Singular
Definition: Organisation for Economic Co-operation and Development
Last Updated: 23 December 2005
English: OECD Multi-level Governance Review: The Future of Regional Development and Investment in Wales
Welsh: Adolygiad yr OECD o Wahanol Haenau Llywodraethu: Dyfodol Datblygiad a Buddsoddiad Rhanbarthol yng Nghymru
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last Updated: 8 May 2025
English: oedema
Welsh: oedema
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Cyflwr lle bydd hylif dyfrllyd yn casglu yng nghelloedd a cheudodau'r corff.
Last Updated: 25 June 2020
English: OEGW
Welsh: SLlAC
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronymau Cymraeg a Saesneg a ddefnyddir am Office of Environmental Governance Wales / Swyddfa Llywodraethiant Amgylcheddol Cymru.
Last Updated: 22 April 2025
English: OEM
Welsh: Gweithgynhyrchu Cyfarpar Gwreiddiol
Status C
Subject: Economic development
Part of speech: Verb
Definition: Original Equipment Manufacture
Last Updated: 2 February 2006
English: oenological practices
Welsh: arferion gwinyddol
Status A
Subject: Food
Part of speech: Noun, Plural
Definition: Y prosesau, triniaethau, technegau neu ddeunyddiau a ddefnyddir i gynhyrchu gwin.
Last Updated: 21 July 2022
English: OEP
Welsh: Swyddfa Diogelu'r Amgylchedd
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am Office of Environmental Protection.
Last Updated: 23 March 2021
English: oesophageal pH monitoring
Welsh: monitro pH oesoffagaidd
Status C
Subject: Health
Part of speech: Verb
Last Updated: 13 June 2011
English: oesophagus
Welsh: oesoffagws
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 3 March 2006
English: oestradiol preparation
Welsh: paratoad oestriadol
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: paratoadau oestriadol
Definition: Meddyginiaeth a roddir fel rhan o driniaeth ar gyfer dysfforia rhywedd, ymysg cyflyrau eraill.
Last Updated: 17 April 2024
English: oestrogens
Welsh: oestrogenau
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last Updated: 16 October 2009
English: oestrus activity
Welsh: arwyddion gofyn tarw yn y fuches
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Context: Yng nghyd-destun gwartheg.
Last Updated: 20 January 2010
English: oestrus suppression
Welsh: rhwystro…rhag mynd yn wasod
Status C
Subject: Agriculture
Part of speech: Verb
Last Updated: 16 October 2009
English: of African descent
Welsh: o dras Affricanaidd
Status B
Subject: Personnel
Part of speech: Adjective
Last Updated: 25 March 2021
English: of animal origin
Welsh: sy'n dod o anifeiliaid
Status B
Subject: Law
Part of speech: Adjective
Last Updated: 6 September 2024
English: Ofcom
Welsh: Ofcom
Status A
Subject: ICT
Part of speech: Neutral
Definition: Office of Communications
Last Updated: 2 September 2004
English: Offa
Welsh: Offa
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
English: offal
Welsh: offal
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 29 July 2003
English: off balance sheet
Welsh: oddi ar y fantolen
Status A
Subject: Finance and statistics
Part of speech: Adjective
Definition: Trafodiadau lle nad yw'r cyllid a'r ased yn ymddangos ar y fantolen.
Notes: Term o faes cyfrifyddu.
Last Updated: 4 December 2018
English: OFFC
Welsh: Rheolau Bwyd a Phorthiant Swyddogol
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Context: Official Feed and Food Controls
Last Updated: 23 March 2011
English: off-CE-marked
Welsh: heb farc CE
Status B
Subject: General
Part of speech: Adjective
Last Updated: 16 July 2020
English: offcut
Welsh: torbren
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: torbrennau
Definition: Piece of waste wood left behind after cutting a larger piece.
Last Updated: 22 April 2025
English: offence
Welsh: trosedd
Status A
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Plural: troseddau
Definition: gweithred sy'n groes i'r gyfraith ac y gellir ei chosbi mewn achos llys
Context: Mae person sy’n cynnal busnes tybaco neu nicotin mewn mangre yng Nghymru heb gael ei gofrestru yn cyflawni trosedd
Last Updated: 16 November 2021
English: Offences against the Person, incorporating the Charging Standard
Welsh: Offences against the Person, incorporating the Charging Standard
Status A
Subject: Justice and order
Part of speech: Proper noun
Notes: Dogfen gan Wasanaeth Erlyn y Goron. Nid oes fersiwn Gymraeg arni.
Last Updated: 13 December 2017
English: offences and penalties legislation
Welsh: deddfwriaeth troseddau a chosbau
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 2 August 2010
English: offences brought to justice
Welsh: troseddau a ddygwyd gerbron y llys
Status C
Subject: Justice and order
Part of speech: Noun, Plural
Definition: OBTJ
Last Updated: 31 March 2009
English: offence triable either way
Welsh: trosedd neillffordd
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: troseddau neillffordd
Notes: Mae'r term 'either-way offence' yn gyfystyr.
Last Updated: 30 June 2022
English: offend
Welsh: troseddu
Status A
Subject: Law
Part of speech: Verb
Definition: cyflawni trosedd
Context: Pecyn cymorth asesu wedi'i seilio ar ymchwil yw Asset/Onset sy'n cael ei ddefnyddio gan ymarferwyr i nodi'r rhesymau pam mae person ifanc yn troseddu, pa mor debygol ydyw o aildroseddu, pa mor agored i niwed ydyw a'r risg o niwed difrifol i bobl eraill.
Last Updated: 16 November 2021
English: offender
Welsh: troseddwr
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: troseddwyr
Definition: person sy'n cyflawni trosedd
Context: Caiff y llys sy’n euogfarnu person (“y troseddwr”) o drosedd o dan is-adran (1) orchymyn i’r troseddwr dalu swm y taliad o dan sylw neu (mewn achos pan fo rhan o’r taliad wedi ei had-dalu) y swm sy’n weddill o’r taliad i’r person a’i talodd.
Last Updated: 16 November 2021
English: Offender Assessment System
Welsh: System Asesu Troseddwyr
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Definition: OASys
Last Updated: 5 December 2011
English: Offender Health Policy
Welsh: Polisi Iechyd Troseddwyr
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 10 October 2013
English: Offender Management Act
Welsh: Deddf Rheoli Troseddwyr
Status C
Subject: Law
Part of speech: Noun, Feminine, Singular
Last Updated: 21 March 2012
English: Offender Management Act 2007
Welsh: Deddf Rheoli Troseddwyr 2007
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last Updated: 21 February 2025
English: offending behaviour
Welsh: ymddygiad troseddol
Status C
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 27 April 2010
English: offending vehicle
Welsh: cerbyd sy'n peri tramgwydd
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 30 August 2012
English: offensive
Welsh: tramgwyddus
Status B
Subject: Law
Part of speech: Adjective
Context: Rydym yn benodol yn gwrthod bod yn gyfrifol am unrhyw ddeunydd gwallus, tramgwyddus, difenwol neu anweddus sy’n ymddangos ar wefannau trydydd parti.
Notes: Yng nghyd-destun deunyddiau allai beri tramgwydd i eraill. Dylid gofalu rhag drysu ag ystyr arall y gair ‘offensive’ mewn termau fel offensive weapon / arf ymosodol.
Last Updated: 14 January 2025
English: offensive weapon
Welsh: arf ymosodol
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 1 August 2012
English: Offensive Weapons Act 2019
Welsh: Deddf Arfau Ymosodol 2019
Status B
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last Updated: 13 December 2021
English: offensive weapons homicide review
Welsh: adolygiad lladdiad ag arf ymosodol
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Plural: adolygiadau lladdiadau ag arf ymosodol
Definition: Proses adolygu statudol o laddiad pan fo’r sawl a laddwyd dros 18 oed a bod amgylchiadau’r ymosodiad yn cynnwys defnydd o arf ymosodol, neu bod tebygrwydd y defnyddiwyd arf o’r fath. Hefyd, enghraifft o adolygiad o'r fath.
Notes: Mae'r broses hon wedi ei hymgorffori bellach yn yr Adolygiad Diogelu Unedig Sengl.
Last Updated: 2 July 2025
English: Offering support and advice to all victims and witnesses
Welsh: Yn cynnig cymorth a chyngor i ddioddefwyr a thystion
Status C
Subject: Social services
Part of speech: Verb
Last Updated: 27 May 2004
English: offer notice
Welsh: hysbysiad cynnig
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 23 September 2005
English: off-farm wintered
Welsh: cael eu gaeafu oddi ar y fferm
Status C
Subject: Agriculture
Part of speech: Adjective
Last Updated: 3 August 2010
English: off gas-grid homes
Welsh: cartrefi nad ydynt ar y grid nwy
Status C
Subject: Environment
Part of speech: Noun, Plural
Last Updated: 25 March 2010
English: office
Welsh: swydd
Status C
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Context: eg the office of Auditor General
Last Updated: 10 May 2011
English: office address
Welsh: cyfeiriad swyddfa
Status B
Subject: Local government
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun etholiadau.
Last Updated: 10 February 2022
English: Office and Accommodation
Welsh: Swyddfeydd ac Adeiladau
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Plural
Last Updated: 17 December 2002