TermCymru

Results are displayed in alphabetical order.
Welsh: oriau gwaith wythnosol
English: working weekly time
Status C
Subject: Personnel
Part of speech: Noun, Plural
Last updated: 23 September 2004
Welsh: oriau gweithio hyblyg
English: flexible working hours
Status C
Subject: Personnel
Part of speech: Noun, Plural
Definition: FWH
Last updated: 14 May 2004
Welsh: oriau heb eu gwarantu
English: non-guaranteed hours
Status C
Subject: Personnel
Part of speech: Noun, Plural
Notes: Term sy'n gyfystyr â 'zero hours'
Last updated: 1 November 2018
Welsh: oriau penodedig
English: specified hours
Status C
Subject: Personnel
Part of speech: Noun, Plural
Last updated: 15 March 2006
Welsh: oriau'r pôl
English: hours of poll
Status B
Subject: Politics
Part of speech: Noun, Plural
Notes: Gweler y cofnodion am poll/pôl a polling/pôl ym maes gwleidyddiaeth.
Last updated: 28 May 2025
Welsh: oriau safonol
English: standard hours
Status C
Subject: Personnel
Part of speech: Noun, Plural
Last updated: 28 September 2005
Welsh: oriau wedi'u pennu
English: conditioned hours
Status C
Subject: Personnel
Part of speech: Noun, Plural
Last updated: 15 March 2006
Welsh: oriel
English: gallery
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last updated: 19 July 2005
Welsh: oriel
English: oriel
Status C
Subject: Estates and Cadw
Part of speech: Noun, Feminine, Singular
Definition: A projecting window which, unlike a bay, is supported off the face of the building (often by brackets) not off the ground.
Context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.
Last updated: 23 April 2015
Welsh: Oriel Bortreadau Genedlaethol
English: National Portrait Gallery
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: London
Last updated: 16 August 2006
Welsh: Oriel Celf Gyfoes Genedlaethol
English: National Contemporary Art Gallery
Status B
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Notes: Cynllun ar y cyd rhwng Amgueddfa Cymru, Llyfrgell Genedlaethol Cymru a Chyngor Celfyddydau Cymru, gyda chefnogaeth Llywodraeth Cymru.
Last updated: 18 May 2023
Welsh: Oriel Ddigidol Genedlaethol ar gyfer y Celfyddydau Gweledol
English: National Digital Gallery for Visual Arts
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last updated: 26 March 2007
Welsh: Oriel Gelf Genedlaethol
English: National Gallery of Art
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last updated: 26 March 2007
Welsh: Oriel Gelf Glyn Vivian
English: Glyn Vivian Art Gallery
Status A
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: Art gallery in Swansea
Last updated: 15 December 2010
Welsh: oriel letya
English: host gallery
Status B
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Plural: orielau lletya
Notes: Yng nghyd-destun Oriel Celf Gyfoes Genedlaethol i Gymru.
Last updated: 18 May 2023
Welsh: oriel newydd
English: new gallery
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last updated: 19 July 2005
Welsh: o'r newydd
English: afresh
Status B
Subject: Education
Last updated: 14 February 2012
Welsh: oroffaryncs
English: oropharynx
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Cavity formed by the pharynx at the back of the mouth.
Last updated: 3 March 2006
Welsh: Oromo
English: Oromo
Status B
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Notes: Iaith
Last updated: 15 May 2019
Welsh: O'r Pridd i'r Plât
English: Farm to Fork
Status B
Subject: Agriculture
Part of speech: Adjective
Context: Enw ymgyrch.
Last updated: 5 December 2005
Welsh: o’r pridd i’r plât
English: from the plough to the plate
Status B
Subject: Agriculture
Part of speech: Preposition
Last updated: 22 September 2004
Welsh: O'r Pridd i'r Plât
English: Field to Fork
Status C
Subject: Environment
Part of speech: Preposition
Definition: Gweithdy a gaiff ei gynnal yng Ngŵyl y Gelli.
Last updated: 6 April 2011
Welsh: o'r syniad i'r sylwedd
English: from idea stage to delivery
Status C
Subject: Personnel
Part of speech: Preposition
Last updated: 6 July 2005
Welsh: orthodonteg
English: orthodontics
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 6 May 2005
Welsh: orthodontig
English: orthodontic
Status B
Subject: Health
Part of speech: Adjective
Last updated: 10 July 2012
Welsh: orthodontydd arbenigol
English: specialist orthodontist
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 10 July 2012
Welsh: orthopedeg
English: orthopaedics
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 27 February 2006
Welsh: orthopteg
English: orthoptics
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 17 October 2005
Welsh: orthoptydd
English: orthoptist
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: orthoptwyr
Definition: Clinigydd sy'n arbenigo mewn cynnal deiagnosis o broblemau â symudiad y llygad ac â'r ffordd mae'r ddwy lygad yn cydweithio, a thrin y problemau hynny.
Last updated: 25 November 2022
Welsh: orthotydd
English: orthotist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 5 September 2003
Welsh: o'r un rhyw
English: same-sex
Status B
Subject: General
Part of speech: Adjective
Last updated: 10 April 2024
Welsh: o'r un rhywedd
English: same-gender
Status B
Subject: General
Part of speech: Adjective
Last updated: 10 April 2024
Welsh: o rywfaint o ddiddordeb i Gymru
English: of some Welsh interest
Status B
Subject: Law
Part of speech: Adjective, Masculine, Singular
Definition: As defined in the Gifts to the Nation Scheme.
Last updated: 23 April 2012
Welsh: OS
English: OS
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Ordnance Survey
Last updated: 14 July 2005
Welsh: OS
English: SI
Status A
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: statutory instrument
Last updated: 21 July 2005
Welsh: O.S. 2007/373 (Cy.33)
English: S.I. 2007/373 (W.33)
Status A
Subject: Titles of legislation
Part of speech: Noun, Masculine, Singular
Definition: Statutory Instrument. W = Wales
Last updated: 30 April 2007
Welsh: OSA
English: SSI
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Scottish Statutory Instrument
Last updated: 5 February 2008
Welsh: o safon / ansawdd eilradd
English: seconds quality
Status C
Subject: Estates and Cadw
Definition: Yng nghyd-destun deunyddiau adeiladu.
Last updated: 5 June 2006
Welsh: Osbaston
English: Osbaston
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Fynwy. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Fynwy (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: öosbôr
English: oospore
Status C
Subject: Plants
Part of speech: Noun, Masculine, Singular
Definition: sbôr rhywiol
Last updated: 1 September 2010
Welsh: oseltamifir
English: oseltamivir
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Cyffur gwrthfeirysol a ddefnyddir i atal a thrin ffliw mewn unigolion sy’n rhan o grwpiau risg.
Last updated: 6 November 2025
Welsh: osgoi dadneilltuo
English: avoiding decommitment
Status B
Subject: Europe
Part of speech: Verb
Last updated: 4 September 2002
Welsh: Osgoi'r Gwe-lywio
English: Skip Navigation
Status C
Subject: ICT
Part of speech: Verb
Last updated: 2 December 2004
Welsh: osgoi trethi
English: tax avoidance
Status A
Subject: Finance and statistics
Part of speech: Verb
Context: Legal
Last updated: 9 September 2014
Welsh: Osiris: Y Contract Menter Cyllid Preifat (PFI) ar gyfer Technoleg Gwybodaeth yng Nghynulliad Cenedlaethol Cymru
English: Osiris: The PFI Contract for Information Technology in the National Assembly for Wales
Status A
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 23 January 2003
Welsh: OSKaR
English: OSKaR
Status C
Subject: Economic development
Definition: Observatory for a Sustainable Knowledge based Region.
Last updated: 11 October 2004
Welsh: osmiwm
English: osmium
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Os
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: osôn
English: ozone
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 11 July 2019
Welsh: Os na allwch ei ddal, allwch chi mo’i roi. Mae’r brechlyn wedi cyrraedd – ewch am eich pigiad nawr
English: If you can’t catch it, you can’t pass it on. The vaccine is here – get your jab now
Status C
Subject: Health
Context: Slogan on a swine flu poster.
Last updated: 27 January 2010
Welsh: os nad yw'r ymgeisydd wedi bod drwy broses graffu'r panel
English: unless the candidate has been scrutinised by the panel
Status C
Subject: Personnel
Last updated: 7 October 2002