TermCymru

Results are displayed in alphabetical order.
English: Orange Book
Welsh: Y Llyfr Oren
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Notes: Canllawiau i'r Llywodraeth ar reoli risgiau.
Last Updated: 23 January 2020
English: Orange – now
Welsh: Oren – nawr
Status B
Subject: Health
Part of speech: Proper noun
Definition: Categori ymateb ar gyfer cyflyrau difrifol lle mae angen asesiad clinigol wyneb yn wyneb, profion a throsglwyddo i’r ysbyty neu ofal arbenigol (ee claf yr amheuir ei fod yn dioddef strôc).
Notes: Un o gategorïau ymateb y Gwasanaeth Ambiwlans, o 1 Gorffennaf 2025 ymlaen. Ceir 5 categori ymateb: porffor; coch; oren; melyn; gwyrdd.
Last Updated: 2 December 2025
English: orange roughy
Welsh: draenog môr garw oren
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Plural: draenogiaid môr garw oren
Definition: Hoplostethus atlanticus
Last Updated: 14 March 2019
English: Orange: time sensitive
Welsh: Oren: sensitif o ran amser
Status B
Subject: Health
Part of speech: Adjective
Definition: Categori ymateb ambiwlansys ar gyfer cyflyrau fel strôc sydd angen ymateb cyflym a gofal gan glinigwyr ambiwlans cyn cludo’r claf i’r ysbyty i gael gofal arbenigol.
Notes: Un o'r categorïau ymateb newydd ar gyfer ambiwlansys.
Last Updated: 31 July 2025
English: orange tip
Welsh: gwyn blaen oren
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Type of butterfly.
Last Updated: 29 February 2012
English: orbital
Welsh: orbitol
Status C
Subject: ICT
Part of speech: Adjective
Last Updated: 24 September 2002
English: Orbital Prostheticist
Welsh: Prosthetydd Llygaid
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 12 December 2019
English: Orbital Prosthetic Service
Welsh: Y Gwasanaeth Llygaid Prosthetig
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 12 December 2019
English: Orbit Business Park
Welsh: Canolfan Fusnes Orbit
Status C
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Definition: Merthyr Tydfil, next to the Welsh Assembly Government building and opposite the Rhydycar leisure park..
Last Updated: 13 September 2012
English: orchard
Welsh: perllan
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Plural: perllannau
Last Updated: 28 February 2024
English: orchestra pit
Welsh: pwll cerddorfa
Status C
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last Updated: 21 June 2010
English: Order
Welsh: Urdd
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Definition: biolegol - rhan o dacsomeg pethau byw
Last Updated: 20 August 2008
English: order
Welsh: trefn
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 19 July 2005
English: order
Welsh: trefnu
Status B
Subject: ICT
Part of speech: Verb
Definition: to put in order
Last Updated: 23 December 2003
English: order
Welsh: archeb
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: context: an order for goods
Last Updated: 15 March 2004
English: order
Welsh: gorchymyn
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: gorchmynion
Definition: math o is-ddeddfwriaeth (ar ffurf offeryn statudol yn aml) e.e. er mwyn dod â phwerau mewn Deddf i rym
Context: Mae paragraff 14 yn diwygio adran 43 o Ddeddf 2013 fel y caiff Gweinidogion Cymru, drwy orchymyn, amrywio neu ddirymu gorchmynion (trefniadau etholiadol) a wneir o dan adrannau 37, 38, 39 neu 43 o Ddeddf 2013,
Last Updated: 16 November 2021
English: order and collect
Welsh: archebu a chasglu
Status B
Subject: Economic development
Part of speech: Verb
Last Updated: 14 May 2020
English: order for possession
Welsh: gorchymyn adennill meddiant
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 9 November 2004
English: Order in Council
Welsh: Gorchymyn yn y Cyfrin Gyngor
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: Gorchmynion yn y Cyfrin Gyngor
Definition: Darn o ddeddfwriaeth a wneir gan y Brenin ar gyngor y Cyfrin Gyngor, ac a gymeradwyir yn bersonol gan y Brenin.
Notes: Cymharer ag Order of Council / Gorchymyn y Cyfrin Gyngor.
Last Updated: 10 July 2025
English: Ordering Officer
Welsh: Swyddog Archebu
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 30 March 2006
English: Order of Council
Welsh: Gorchymyn y Cyfrin Gyngor
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: Gorchmynion y Cyfrin Gyngor
Definition: Darn o ddeddfwriaeth a wneir gan y Cyfrin Gyngor ei hun, yn gweithredu drwy ei Gynghorwyr. Yn wahanol i Orchmynion yn y Cyfrin Gyngor, nid yw Gorchmynion y Cyfrin Gyngor angen cymeradwyaeth bersonol y Brenin ei hun.
Last Updated: 10 July 2025
English: order of limitation
Welsh: gorchymyn cyfyngiadau
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 27 February 2006
English: order of proceedings
Welsh: trefn y gweithrediadau
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last Updated: 8 July 2010
English: order of service
Welsh: trefn y gwasanaeth
Status A
Subject: Religion
Part of speech: Noun, Feminine, Singular
Definition: The programme of events for a religious service or ceremony
Last Updated: 4 June 2018
English: Orders Branch
Welsh: Y Gangen Orchmynion
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Last Updated: 14 March 2016
English: Orders in Council
Welsh: Gorchmynion yn y Cyfrin Gyngor
Status A
Subject: Law
Part of speech: Noun, Plural
Last Updated: 13 September 2006
English: Orders Manager
Welsh: Rheolwr Archebion
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 9 January 2006
English: order to stay execution
Welsh: gorchymyn atal gweithredu
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 1 August 2012
English: ordinance
Welsh: ordinhad
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: ordinhadau
Definition: One of the forms taken by legislation under the royal prerogative, normally legislation relating to UK dependencies.
Last Updated: 21 May 2025
English: ordinarily resident
Welsh: preswylio fel arfer
Status C
Subject: Law
Part of speech: Verb
Last Updated: 3 October 2005
English: ordinarily resident
Welsh: yn breswylydd fel arfer
Status B
Subject: Social services
Part of speech: Adjective
Definition: Place a duty on local authorities to provide social care services where the person is ordinarily resident.
Last Updated: 22 March 2012
English: ordinarily resident
Welsh: preswylio’n arferol
Status B
Subject: Law
Part of speech: Verb
Notes: Cymharer â'r term habitually resident / preswylio fel arfer. Mewn rhai cyd-destunau cyfreithiol, ond nid pob un, gall y termau hyn fod yn gyfystyr. Gall y dehongliad o ystyr y naill a'r llall amrywio yn ôl y ddeddfwriaeth berthnasol i'r achos dan sylw. Os oes angen gwahaniaethu'n gwbl eglur rhwng y naill a'r llall (ee maent yn codi yn yr un testun, ac nid oes cynsail cyfreithiol i'r ffurfiau Cymraeg a ddefnyddir yn y cyd-destun dan sylw) gellid ystyried defnyddio 'preswylio'n gyson' am 'habitually resident'.
Last Updated: 26 January 2023
English: ordinary bachelor degree
Welsh: gradd baglor gyffredin
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Last Updated: 26 January 2010
English: Ordinary Cadét
Welsh: Y Cadét Cyffredin
Status B
Subject: Honorary titles
Part of speech: Noun, Masculine, Singular
Plural: Y Cadetiaid Cyffredin
Definition: Rheng yn y Cadetiaid Môr.
Last Updated: 8 September 2016
English: ordinary election
Welsh: etholiad cyffredin
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Plural: etholiadau cyffredin
Definition: Etholiad lle bydd pob sedd mewn sefydliad democrataidd (ee cyngor lleol, Senedd Cymru) yn cael ei ethol ar yr un pryd.
Last Updated: 3 August 2023
English: ordinary general election
Welsh: etholiad cyffredinol cyffredin
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Last Updated: 6 August 2024
English: ordinary proxy vote
Welsh: pleidlais gyffredin drwy ddirprwy
Status C
Subject: Local government
Part of speech: Noun, Feminine, Singular
Last Updated: 10 February 2022
English: ordinary residence
Welsh: preswylfa arferol
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Notes: Cymharer â'r term habitual residence / preswylfa fel arfer. Mewn rhai cyd-destunau cyfreithiol, ond nid pob un, gall y termau hyn fod yn gyfystyr. Gall y dehongliad o ystyr y naill a'r llall amrywio yn ôl y ddeddfwriaeth berthnasol i'r achos dan sylw. Os oes angen gwahaniaethu'n gwbl eglur rhwng y naill a'r llall (ee maent yn codi yn yr un testun, ac nid oes cynsail cyfreithiol i'r ffurfiau Cymraeg a ddefnyddir yn y cyd-destun dan sylw) gellid ystyried defnyddio 'preswylfa gyson' am 'habitual residence'.
Last Updated: 26 January 2023
English: ordinary share capital
Welsh: cyfalaf cyfranddaliadau cyffredin
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Notes: Term o Fil Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2016.
Last Updated: 17 August 2016
English: ordinary tarred road network
Welsh: rhwydwaith cyffredin o ffyrdd wedi'u tarmacio
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last Updated: 23 December 2005
English: ordinary tide
Welsh: llanw arferol
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: llanwau arferol
Definition: Llanw sydd hanner ffordd rhwng y llanw bach (neap tide) a'r gorllanw (spring tide).
Last Updated: 18 June 2024
English: ordinary watercourse
Welsh: cwrs dŵr cyffredin
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: A 'watercourse' that does not form part of a 'main river'.
Last Updated: 28 February 2012
English: Ordnance Datum
Welsh: Datwm Ordnans
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Definition: It is a constant for each country and usually given by the Mean Sea Level.
Last Updated: 12 May 2006
English: Ordnance Survey
Welsh: Arolwg Ordnans
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: OS
Last Updated: 14 July 2005
English: Ordnance Survey datum
Welsh: seilnod yr Arolwg Ordnans
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Lefel safonedig dŵr môr, y mae’r cyfuchlinau a phwyntiau uchder ar fapiau tir yn cael eu mesur ohoni. Yn achos y DU, mae seilnod yr Arolwg Ordnans yn seiliedig ar fesuriad yn Newlyn, Cernyw.
Notes: Cymharer â chart datum / seilnod siart, y mesurir dyfnderoedd ar fapiau mordwyo ohoni.
Last Updated: 17 February 2025
English: ore
Welsh: mwyn
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: eg iron ore
Last Updated: 5 September 2003
English: OREC
Welsh: OREC
Status A
Subject: Europe
Part of speech: Proper noun
Notes: Menter Ewropeaidd. Dyma'r acronym a ddefnyddir am Offshore Renewable Energy Catapult.
Last Updated: 12 November 2020
English: OREC Manager for Wales
Welsh: Rheolwr OREC dros Gymru
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Definition: OREC = Office for Research Ethics Committee
Last Updated: 11 May 2006
English: ORF
Welsh: ffrâm ddarllen agored
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: fframiau darllen agored
Definition: Rhan o foleciwl DNA nad yw, o'i drosi yn asidau amino, yn cynnwys codonau atal.
Notes: Dyma'r acronym Saesneg am open reading frame.
Last Updated: 22 July 2020
English: organ donation
Welsh: rhoi organau
Status C
Subject: Health
Part of speech: Verb
Last Updated: 17 July 2006