TermCymru

Results are displayed in alphabetical order.
English: phonetic
Welsh: seinegol
Status B
Subject: Culture and the arts
Part of speech: Adjective
Definition: Yn disgrifio sut mae seiniau yn cael eu cynhyrchu.
Notes: Term o faes ieithyddiaeth a ddefnyddir mewn deunyddiau sy’n gysylltiedig â CEFR, y Fframwaith Cyfeirio Cyffredin Ewropeaidd ar gyfer Ieithoedd.
Last Updated: 2 October 2025
English: phonics
Welsh: ffoneg
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: Dull o ddysgu sgiliau darllen ac ysgrifennu trwy ddangos y berthynas rhwng synau'r iaith lafar a llythrennau neu gyfuniadau o lythrennau'r iaith ysgrifenedig.
Last Updated: 23 November 2023
English: phonological
Welsh: ffonolegol
Status B
Subject: Culture and the arts
Part of speech: Adjective
Definition: Yn diffinio system seiniau iaith.
Notes: Term o faes ieithyddiaeth a ddefnyddir mewn deunyddiau sy’n gysylltiedig â CEFR, y Fframwaith Cyfeirio Cyffredin Ewropeaidd ar gyfer Ieithoedd.
Last Updated: 2 October 2025
English: phonology
Welsh: ffonoleg
Status B
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Gwyddor neu athrawiaeth y synau sylfaenol a wneir gan berson wrth lefaru.
Last Updated: 13 March 2024
English: phosphate
Welsh: ffosffad
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 17 October 2005
English: phosphodiesterase inhibitor
Welsh: atalydd ffosffodiesteras
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: atalyddion ffosffodiesteras
Last Updated: 6 November 2019
English: phosphorous
Welsh: ffosfforws
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 11 July 2019
English: phosphorus
Welsh: ffosfforws
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: P
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last Updated: 18 June 2025
English: phosporous loading mitigation
Welsh: lliniaru ar y llwyth ffosfforws
Status B
Subject: Environment
Part of speech: Verb
Context: Gan adeiladu ar wybodaeth a thystiolaeth sy’n bodoli eisoes, byddwn yn datblygu dull rheoleiddio i alluogi atebion sy'n seiliedig ar natur o fewn dalgylchoedd i liniaru ar y llwyth ffosfforws ac i leihau'r effaith ar yr amgylchedd.
Last Updated: 28 July 2022
English: photocard licence
Welsh: trwydded cerdyn-llun
Status C
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Last Updated: 13 June 2011
English: photocatalytic oxidation
Welsh: ocsideiddio ffotogatalytig
Status B
Subject: Environment
Part of speech: Verb
Last Updated: 4 February 2021
English: photography
Welsh: ffotograffiaeth
Status A
Subject: General
Part of speech: Noun, Feminine, Singular
Last Updated: 14 November 2007
English: photography and photographic processing
Welsh: ffotograffiaeth a phrosesu ffotograffig
Status C
Subject: General
Last Updated: 11 September 2007
English: photo imaging
Welsh: ffoto-ddelweddu
Status C
Subject: ICT
Part of speech: Verb
Last Updated: 9 October 2007
English: Photo Imaging for Staff Photographers
Welsh: Ffoto-ddelweddu ar gyfer Ffotograffwyr Staff
Status A
Subject: Education
Part of speech: Verb
Context: Apprenticeship learning pathway.
Last Updated: 31 October 2012
English: photoluminescence
Welsh: ffoto-ymoleuedd
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: Luminescence caused by visible light or by infrared or ultraviolet radiation.
Last Updated: 16 March 2017
English: photoluminescent
Welsh: ffoto-ymoleuol
Status B
Subject: Economic development
Part of speech: Adjective
Last Updated: 16 March 2017
English: photomontage
Welsh: ffotogyfosodiad
Status A
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last Updated: 29 April 2014
English: Photonics Academy
Welsh: Academi Ffotoneg
Status A
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 10 March 2008
English: photo pass
Welsh: pàs â llun
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last Updated: 29 April 2003
English: photostream
Welsh: cyfres luniau
Status C
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 22 December 2010
English: photosynthetically active radiation
Welsh: ymbelydredd gweithredol ffotosynthetig
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 12 August 2021
English: phototherapy
Welsh: ffototherapi
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 13 December 2010
English: photovoltaic
Welsh: ffotofoltaidd
Status B
Subject: Environment
Part of speech: Adjective
Last Updated: 24 September 2025
English: photovoltaic
Welsh: ffotofoltegyn
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: ffotofoltegion
Definition: Dyfais ffotofoltaidd, yn enwedig cell solar.
Notes: Yn y lluosog y gwelir y term hwn gan amlaf. Byddai 'dyfais ffotofoltaidd' yn gallu bod yn addas hefyd.
Last Updated: 16 November 2023
English: PHPBs
Welsh: Byrddau Partneriaeth Iechyd mewn Carchardai
Status C
Subject: Justice and order
Part of speech: Noun, Plural
Definition: Prison Health Partnership Boards
Last Updated: 26 April 2010
English: PHR
Welsh: Y Rheoliadau Iechyd Planhigion
Status A
Subject: Law
Part of speech: Noun, Plural
Notes: Dyma'r acronym Saesneg a ddefnyddir am Plant Health Regulations.
Last Updated: 4 July 2023
English: PHSI
Welsh: Arolygiaeth Iechyd Planhigion a Hadau
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Context: Plant Health and Seeds Inspectorate
Last Updated: 6 November 2009
English: phthalate
Welsh: ffthalad
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: ffthaladau
Notes: Gan amlaf, ni seinir yr ff- gychwynnol wrth ynganu’r gair.
Last Updated: 1 September 2022
English: PHW
Welsh: Iechyd Cyhoeddus Cymru
Status C
Subject: Health
Context: Public Health Wales
Last Updated: 28 January 2010
English: phylodynamic models
Welsh: model phyloddynamig
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: modelau phyloddynamig
Last Updated: 16 July 2020
English: phylodynamics
Welsh: phyloddynameg
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Maes sy'n gyfuniad o imiwnoddeinameg, epidemioleg a bioleg esblygiad er mwyn deall sut y mae clefydau heintus yn cael eu trosglwyddo ac yn esblygu.
Last Updated: 16 July 2020
English: phylogenetic tree
Welsh: coeden ffylogenedd
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: coed ffylogenedd
Definition: Diagram sy’n darlunio’r berthynas rhwng gwahanol rywogaethau a’u hesblygiad dros amser.
Last Updated: 30 June 2022
English: physical abuse
Welsh: cam-drin corfforol
Status B
Subject: Justice and order
Part of speech: Verb
Notes: Defnyddir y berfenw gan amlaf yng ngwaith Gwasanaeth Cyfieithu Llywodraeth Cymru, ond gellir defnyddio'r ffurf enwol "camdriniaeth" hefyd os yw'r cyd-destun yn galw am hynny, ee wrth gyfeirio at un achos o gam-drin.
Last Updated: 21 February 2025
English: physical access control system
Welsh: system rheoli mynediad corfforol
Status B
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Plural: systemau rheoli mynediad corfforol
Definition: System electrnig ar gyfer rheoli gallu pobl neu gerbydau i gael mynediad i ardal a warchodir, drwy gyfrwng dulliau dilysu ac awdurdodi wrth fynedfeydd.
Notes: Weithiau defnyddir y ffurf fer 'access control' yn Saesneg, fel talfyriad ar y term llawn.
Last Updated: 14 December 2023
English: physical activity
Welsh: gweithgarwch corfforol
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Defnyddio'r corff, yn enwedig y cyhyrau, mewn modd sy'n defnyddio egni.
Context: Nodwyd mai bwyta'n iach a gweithgarwch corfforol oedd y ddau faes pwysicaf lle dylid canolbwyntio ar wario arian er mwyn atal arferion gwael.
Last Updated: 4 April 2019
English: physical activity
Welsh: gweithgaredd corfforol
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gweithgareddau corfforol
Definition: Enghreifftiau o ddefnyddio'r corff, yn enwedig y cyhyrau, mewn modd sy'n defnyddio egni.
Last Updated: 4 April 2019
English: Physical Activity and Nutrition Networks Wales
Welsh: Rhwydweithiau Gweithgaredd Corfforol a Maeth Cymru
Status A
Subject: Health
Part of speech: Noun, Plural
Last Updated: 7 March 2008
English: Physical Activity Co-ordinator
Welsh: Cydgysylltydd Gweithgarwch Corfforol
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 29 October 2010
English: Physical Activity Ministerial Advisory Group
Welsh: Grŵp Cynghori’r Gweinidog ar Weithgarwch Corfforol
Status C
Subject: Health
Part of speech: Proper noun, Masculine, Singular
Definition: PAMAG
Last Updated: 17 October 2012
English: Physical Activity Network Wales
Welsh: Rhwydwaith Gweithgaredd Corfforol Cymru
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: PANW
Last Updated: 7 May 2009
English: Physical Activity Specialist
Welsh: Arbenigwr Gweithgarwch Corfforol
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Last Updated: 20 September 2002
English: physical adaptations
Welsh: addasiadau ffisegol
Status C
Subject: Local government
Part of speech: Noun, Plural
Last Updated: 25 August 2005
English: physical adaptations grant
Welsh: grant addasiadau ffisegol
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last Updated: 25 August 2005
English: Physical Adaptations Grants
Welsh: Grantiau Addasiadau Ffisegol
Status C
Subject: Housing
Part of speech: Noun, Plural
Definition: PAGs
Last Updated: 10 December 2008
English: physical and medical difficulties
Welsh: anawsterau corfforol a meddygol
Status C
Subject: Health
Part of speech: Noun, Plural
Definition: PMED
Last Updated: 29 January 2008
English: physical barrier
Welsh: rhwystr ffisegol
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: rhwystrau ffisegol
Notes: Yng nghyd-destun canllawiau i weithleoedd yn sgil COVID-19.
Last Updated: 13 July 2020
English: physical capacity
Welsh: capasiti ffisegol
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Last Updated: 20 October 2011
English: physical check
Welsh: gwiriad ffisegol
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: gwiriadau ffisegol
Definition: Gwiriad ar nwyddau i sicrhau eu bod yn cydymffurfio â gofynion ffytoiechydol mewnforio'r wlad gyrchfan. Mae hyn yn cynnwys gwiriadau ar becynwaith y llwyth a'r dull cludo, yn ôl y gofyn.
Notes: Yng nghyd-destun trefniadau mewnforio ac allforio.
Last Updated: 4 July 2023
English: Physical Component Summary
Welsh: Crynodeb o'r Elfen Gorfforol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: PCS
Last Updated: 3 March 2006