TermCymru

Results are displayed in English alphabetical order A-Z
English: open source
Welsh: cod agored
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: open-source machine
Welsh: peiriant ffynhonnell agored
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: peiriannau ffynhonnell agored
Last Updated: 16 July 2020
English: open source software
Welsh: meddalwedd ffynhonnell agored
Status C
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 14 November 2007
English: open space
Welsh: man agored
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: mannau agored
Definition: Yng nghyd-destun y gyfraith gynllunio, tir sydd ar gael i’r cyhoedd - megis parciau, gerddi, caeau chwarae a mannau sifig - ac sy’n darparu buddion o ran hamdden, yr amgylchedd neu harddwch i’r gymuned.
Last Updated: 18 February 2026
English: Open Spaces Act 1906
Welsh: Deddf Mannau Agored 1906
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last Updated: 18 February 2026
English: open surgery
Welsh: llawfeddygaeth agored
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: Y pwnc academaidd.
Last Updated: 2 July 2014
English: open surgery
Welsh: llawdriniaeth agored
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: Y driniaeth y mae claf yn ei chael.
Last Updated: 2 July 2014
English: Open University
Welsh: Y Brifysgol Agored
Status A
Subject: Education
Part of speech: Noun, Feminine, Singular
Last Updated: 22 May 2003
English: open web location
Welsh: agor lleoliad gwe
Status B
Subject: ICT
Part of speech: Verb
Last Updated: 19 July 2005
English: operant learning
Welsh: dysgu ar sail profiad
Status A
Subject: Education
Part of speech: Verb
Definition: Proses lle bydd goblygiadau gweithred yn newid y tebygolrwydd y caiff ei ailadrodd. Er enghraifft, os yw unigolyn yn dysgu bod un math o ymddygiad yn arwain at gosb, mae'n llai tebygol y bydd y math hwnnw o ymddygiad yn cael ei ailadrodd.
Last Updated: 9 January 2020
English: operating aids
Welsh: cymhorthion gweithredu
Status C
Subject: Europe
Part of speech: Noun, Plural
Last Updated: 2 September 2004
English: operating cost
Welsh: cost gweithredu
Status A
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Plural: costau gweithredu
Definition: Treuliau sy'n gysylltiedig â chynnal a gweinyddu busnes beunyddiol sefydliad.
Notes: Term o faes cyfrifyddu.
Last Updated: 4 December 2018
English: operating department practitioner
Welsh: ymarferydd yr adran lawdriniaethau
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: ODP. Part of operating theatre team (in hospitals).
Last Updated: 5 September 2003
English: operating expenditure
Welsh: gwariant gweithredu
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Gwariant a ysgwyddir wrth gynnal a gweinyddu busnes beunyddiol sefydliad.
Notes: Term o faes cyfrifyddu.
Last Updated: 4 December 2018
English: operating income
Welsh: incwm gweithredu
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Swm sy'n mesur faint o elw a wneir o weithrediadau sefydliad, ar ôl didynnu'r gwariant gweithredu.
Notes: Term o faes cyfrifyddu.
Last Updated: 4 December 2018
English: operating lease
Welsh: prydles weithredu
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Definition: Defnyddiwch 'prydles' wrth gyfeirio at yr hen bremiymau amaeth, sy'n dod i ben ar 31 Rhagfyr 2004.
Last Updated: 5 September 2003
English: operating lease
Welsh: les weithredol
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Plural: lesoedd gweithredol
Context: Dyma'r term a ddefnyddir yn y rheoliadau.
Last Updated: 19 September 2018
English: operating model
Welsh: model gweithredu
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: modelau gweithredu
Context: Mae argymhellion adolygiad ar y cyd gan AGIC ac Archwilio Cymru o drefniadau ansawdd a llywodraethiant wedi'u rhoi ar waith ac mae'r model gweithredu newydd wedi ymwreiddio'n llawn.
Last Updated: 9 April 2024
English: operating officer
Welsh: swyddog gweithredu
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: Yng nghyd-destun ffliw adar.
Last Updated: 27 October 2005
English: operating profit
Welsh: elw gweithredol
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 20 May 2021
English: operating risk
Welsh: risg gweithredu
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: risgiau gweithredu
Context: An “operating risk” is a risk that the supplier will not be able to recover its costs in connection with the supply and operation of the works or services, where the factors giving rise to that risk—(a) are reasonably foreseeable at the time of award, and (b) arise from matters outside the control of the contracting authority and the supplier.
Notes: Daw’r frawddeg gyd-destunol Saesneg o Ddeddf Caffael 2023 (deddfwriaeth Llywodraeth y DU, sydd ar gael yn Saesneg yn unig).
Last Updated: 31 July 2024
English: operating system
Welsh: system weithredu
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Definition: OS
Last Updated: 19 July 2005
English: operating theatre
Welsh: theatr llawdriniaethau
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last Updated: 3 April 2009
English: Operating Toolkit for School-based Counselling Services
Welsh: Pecyn Cymorth Gweithredu Cwnsela mewn Ysgolion
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Last Updated: 25 May 2012
English: operation
Welsh: gweithrediad
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: operation
Welsh: llawdriniaeth
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: medical procedure
Last Updated: 16 April 2003
English: Operational and Technical Team Leader
Welsh: Arweinydd y Tîm Gweithredol a Thechnegol
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last Updated: 25 August 2005
English: operational assurance
Welsh: sicrwydd gweithredol
Status A
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Last Updated: 29 January 2008
English: Operational Assurance of Service Delivery process
Welsh: proses Asesu Sicrwydd Gweithredol y Gwasanaethau a Gyflenwir
Status C
Subject: Fire and rescue
Part of speech: Noun, Feminine, Singular
Last Updated: 5 January 2011
English: operational budget
Welsh: cyllideb weithredol
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Context: Mae'r gyllideb ddrafft yn cyflwyno'r gyllideb weithredol ar gyfer cyllideb ddrafft Awdurdod Cyllid Cymru gyda dyraniad o £4.5m ar gyfer 2018-19 a £3m yn 2019-20 ar gyfer costau gweithredu a chostau rhedeg y corff newydd.
Last Updated: 25 October 2017
English: operational carbon
Welsh: carbon gweithredol
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Yr allyriadau carbon deuocsid sy’n gysylltiedig â defnyddio adeilad (ee ei wresogi a’i oleuo).
Notes: Cymharer ag embodied carbon / carbon ymgorfforedig.
Last Updated: 26 January 2023
English: Operational Delivery Partners Forum
Welsh: Fforwm Partneriaeth Cyflawni Gweithredol
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: ODPF
Last Updated: 2 August 2012
English: operational development
Welsh: datblygiad gweithredol
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last Updated: 23 July 2003
English: Operational Enforcement Manager
Welsh: Rheolwr Gorfodi Gweithredol
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 11 April 2013
English: operational financial balance
Welsh: balans ariannol gweithredol
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 21 August 2013
English: Operational guidance for schools and settings to support limited attendance
Welsh: Canllawiau gweithredol i ysgolion a lleoliadau pan fydd cyfyngiadau ar niferoedd dysgwyr
Status A
Subject: Health
Part of speech: Noun, Plural
Notes: Canllawiau yng nghyd-destun COVID-19
Last Updated: 14 January 2021
English: Operational guidance for schools and settings to support limited attendance
Welsh: Canllawiau gweithredol i ysgolion a lleoliadau pan fydd cyfyngiadau ar niferoedd dysgwyr
Status A
Subject: Education
Part of speech: Proper noun
Last Updated: 21 January 2020
English: operational land
Welsh: tir gweithredol
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun y gyfundrefn gyfreithiol ar gyfer cynllunio.
Last Updated: 18 February 2026
English: operational lead
Welsh: arweinydd gweithredol
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Plural: arweinwyr gweithredol
Last Updated: 18 September 2025
English: Operational Manager
Welsh: Rheolwr Gweithredol
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last Updated: 25 August 2005
English: operational plan
Welsh: cynllun gweithredol
Status A
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: OpPlan
Last Updated: 7 October 2002
English: Operational Plan Database
Welsh: Cronfa Ddata'r Cynllun Gweithredol
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Last Updated: 24 November 2003
English: Operational Planning and Budgeting System Project
Welsh: Prosiect y System Cynllunio Gweithredol a Chyllidebu
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 22 May 2006
English: operational planning group
Welsh: grŵp cynllunio gweithredol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: grwpiau cynllunio gweithredol
Context: Mae Bwrdd Iechyd Prifysgol Betsi Cadwaladr wedi sefydlu grŵp cynllunio gweithredol, sy'n cyfarfod deirgwaith y dydd er mwyn sicrhau goruchwyliaeth ar y trefniadau hyn ac i sicrhau bod unrhyw gleifion y gallai fod angen darparu eu gofal mewn ffordd wahanol yn cael eu rheoli'n ddiogel ac yn amserol.
Last Updated: 1 September 2022
English: Operational Policy and Procedures Officer
Welsh: Swyddog Polisi Gweithredol a Gweithdrefnau
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 6 April 2006
English: Operational Policy and Programme Development Branch
Welsh: Y Gangen Polisi Gweithredol a Datblygu Rhaglenni
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Last Updated: 2 May 2008
English: Operational Policy Manager
Welsh: Rheolwr Polisi Gweithredol
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 14 December 2009
English: operational programme
Welsh: rhaglen weithredol
Status A
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Last Updated: 7 October 2002
English: Operational Programme for Convergence
Welsh: Rhaglen Weithredol ar gyfer Cydgyfeirio
Status C
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Last Updated: 29 March 2007
English: Operational Programmes
Welsh: Rhaglenni Gweithredol
Status C
Subject: Europe
Part of speech: Noun, Plural
Definition: Yn gysylltiedig â rhaglenni newydd y Cronfeydd Strwythurol 2007-13.
Last Updated: 26 April 2006