TermCymru

Results are displayed in alphabetical order.
Welsh: perthynas gontractiol
English: contractual relationship
Status C
Subject: Politics
Part of speech: Noun, Feminine, Singular
Last updated: 11 July 2007
Welsh: perthynas gymhwysol
English: qualifying relationship
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Last updated: 14 August 2013
Welsh: perthynas gynhyrchiol
English: productive relationship
Status C
Subject: Local government
Part of speech: Noun, Feminine, Singular
Last updated: 2 November 2010
Welsh: perthynas hirbarhaus
English: durable relationship
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Plural: perthnasoedd hirbarhaus
Notes: Yng nghyd-destun rheoliadau mewnfudo i Brydain.
Last updated: 25 February 2021
Welsh: perthynas llawn ymddiriedaeth
English: high-trust relationship
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Plural: perthnasoedd llawn ymddiriedaeth
Notes: Yng nghyd-destun partneriaethau cymdeithasol.
Last updated: 26 September 2019
Welsh: perthynas o’r radd gyntaf
English: first degree relative
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: perthnasau o'r radd gyntaf
Definition: Aelod o'r teulu sy'n rhannu tua hanner eu gwybodaeth enetig gydag unigolion penodol arall yn y teulu. Mae'r rhain yn cynnwys rhieni, brodyr, chwiorydd a phlant.
Last updated: 20 July 2023
Welsh: perthynas ranbarthol
English: regional relationship
Status B
Subject: Politics
Part of speech: Noun, Feminine, Singular
Plural: perthnasoedd rhanbarthol
Context: Mae ein perthnasoedd rhanbarthol strategol a'n cyswllt â rhwydweithiau Ewropeaidd a rhyngwladol yn allweddol inni.
Notes: Yng nghyd-destun cynlluniau gweithredu rhyngwladol Llywodraeth Cymru.
Last updated: 12 November 2020
Welsh: perthynas rhiant
English: parental relationship
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Context: For the purposes of subsection (3)(f) a person has a parental relationship in relation to a child if— (a) the person is a parent of the child, or (b) the person has parental responsibility for the child.]
Last updated: 21 February 2025
Welsh: perthynas sy'n cael blaenoriaeth
English: priority relationship
Status B
Subject: Politics
Part of speech: Noun, Feminine, Singular
Plural: perthnasoedd sy'n cael blaenoriaeth
Notes: Yng nghyd-destun cynlluniau gweithredu rhyngwladol Llywodraeth Cymru.
Last updated: 12 November 2020
Welsh: perthynas sy'n cael ei chydnabod yn gyfreithiol
English: legally recognised relationship
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Last updated: 19 May 2005
Welsh: perthynol
English: relational
Status B
Subject: ICT
Part of speech: Adjective
Last updated: 19 July 2005
Welsh: pŵer treth incwm
English: income tax power
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 5 February 2014
Welsh: pŵer trethu
English: tax-raising power
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 5 February 2014
Welsh: pertwsis
English: pertussis
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: whooping cough
Last updated: 10 August 2004
Welsh: perwellt y gwanwyn
English: sweet vernal-grass
Status A
Subject: Plants
Part of speech: Noun, Masculine, Singular
Definition: anthoxanthum odoratum
Last updated: 21 June 2022
Welsh: pŵer wrth gefn
English: reserve power
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 2 November 2010
Welsh: pŵer (X) i wneud is-ddeddfwriaeth
English: subordinate legislative power (of X)
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last updated: 2 November 2010
Welsh: perygl
English: hazard
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Plural: peryglon
Definition: Rhywbeth a all achosi niwed.
Notes: Cymharer â’r cofnod am risk / risg. Mewn rhai cyd-destunau, risg yw cyfuniad o'r tebygolrwydd y bydd y niwed y gallai perygl ei achosi'n digwydd, a maint yr effaith bosibl.
Last updated: 4 June 2025
Welsh: Perygl! Adeilad Anniogel
English: Danger! Building Unsafe
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 1 December 2003
Welsh: perygl i ddiogelwch
English: safety hazard
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 23 October 2003
Welsh: perygl marwolaeth
English: danger of death
Status C
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Last updated: 1 December 2003
Welsh: Peryglon Difrifol o ran Trallwyso
English: Serious Hazards of Transfusion
Status B
Subject: Health
Part of speech: Noun, Plural
Definition: Digwyddiadau neu adweithiau niweidiol sy’n gysylltiedig â thrallwyso cydrannau gwaed neu imiwnoglobwlin Gwrth-D, a all arwain at niwed gwirioneddol i’r claf, niwed posibl (camgymeriadau neu fethiannau a allai fod wedi achosi niwed), neu faterion systemig yn ymwneud ag arferion trallwyso.
Last updated: 2 October 2025
Welsh: Peryglon Difrifol o ran Trallwyso
English: SHOT
Status B
Subject: Health
Part of speech: Noun, Plural
Definition: Digwyddiadau neu adweithiau niweidiol sy’n gysylltiedig â thrallwyso cydrannau gwaed neu imiwnoglobwlin Gwrth-D, a all arwain at niwed gwirioneddol i’r claf, niwed posibl (camgymeriadau neu fethiannau a allai fod wedi achosi niwed), neu faterion systemig yn ymwneud ag arferion trallwyso.
Notes: Dyma’r acronym Saesneg a ddefnyddir am Serious Hazards of Transfusion.
Last updated: 2 October 2025
Welsh: perygl tân
English: fire hazard
Status C
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Plural: peryglon tân
Last updated: 7 January 2025
Welsh: peryglu bywyd
English: endangering life
Status B
Subject: Law
Part of speech: Verb
Notes: Teitl ar drosedd
Last updated: 27 November 2025
Welsh: peryglus
English: hazardous
Status C
Subject: Environment
Part of speech: Adjective
Last updated: 25 March 2004
Welsh: pŵer ymchwilio
English: investigatory power
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: pwerau ymchwilio
Notes: Term o Fil Treth Gwarediadau Tirlenwi (Cymru) yw hwn.
Last updated: 15 August 2016
Welsh: pŵer ymhlyg
English: implied power
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 7 May 2013
Welsh: pesari iro
English: lubricating pessary
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: pesarïau iro
Last updated: 6 November 2019
Welsh: pesgi
English: fatten
Status C
Subject: Agriculture
Part of speech: Verb
Definition: Cadw anifeiliaid i'w gwneud yn dew cyn eu lladd ar gyfer eu bwyta.
Last updated: 29 July 2003
Welsh: pesgi
English: finishing
Status B
Subject: Agriculture
Part of speech: Verb
Definition: Dau ystyr: anfon anifeiliaid stôr i'w pesgi neu ran olaf dwysach y broses o besgi.
Last updated: 29 July 2003
Welsh: pesgwr
English: finisher
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Context: Defnyddir "gorffennwr" hefyd.
Last updated: 27 January 2010
Welsh: peste des petits ruminants
English: peste des petits ruminants
Status C
Subject: Agriculture
Definition: Dyma’r enw sy’n cael ei arfer amlaf yn Saesneg.
Context: Disease also known as "goat plague".
Last updated: 31 March 2009
Welsh: peswch
English: cough
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r enw ar y cyflwr iechyd ei hun.
Last updated: 26 March 2020
Welsh: peswch
English: cough
Status A
Subject: Health
Part of speech: Verb
Notes: Y weithred o besychu.
Last updated: 26 March 2020
Welsh: peswch cyson
English: continuous cough
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 16 April 2020
Welsh: peswch parhaus
English: persistent cough
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Tri phwl o beswch mewn 24 awr, neu bwl o beswch sy'n para am awr.
Last updated: 16 April 2020
Welsh: pesychiad
English: cough
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: pesychiadau
Notes: Dyma'r enw ar un enghraifft o'r weithred o beswch.
Last updated: 26 March 2020
Welsh: pethau plant
English: kids' stuff
Status C
Subject: Food
Part of speech: Noun, Plural
Context: Yng nghyd-destun y cynllun Newid am Oes yn unig.
Last updated: 6 December 2010
Welsh: pethau ymolchi
English: toiletries
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 28 February 2005
Welsh: Peth Rhy Ddifrifol: Adolygiad o'r Mesurau i Amddiffyn Plant a Phobl Ifanc sy'n cael Triniaeth a Gofal gan yr NHS yng Nghymru
English: Too Serious a Thing: The Review of Safeguards for Children and Young People Treated and Cared for by the NHS in Wales
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: National Assembly document
Last updated: 14 April 2004
Welsh: petrisen
English: partridge
Status A
Subject: Birds
Part of speech: Noun, Feminine, Singular
Plural: petris
Definition: Petrix petrix
Last updated: 12 June 2025
Welsh: petrocemegol
English: petrochemical
Status A
Subject: Economic development
Part of speech: Adjective
Last updated: 4 October 2005
Welsh: petroliwm hylifol crai
English: crude liquid petroleum
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 23 March 2023
Welsh: petruso
English: hesitation
Status C
Subject: Education
Part of speech: Verb
Definition: A halting or faltering in speech.
Context: Atal dweud (a elwir hefyd yn siarad ag atal neu ddiffyg rhuglder) – lleferydd a nodweddir gan lawer o ailadrodd neu estyn synau, sillafau neu eiriau, neu gan lawer o betruso neu oedi sy'n tarfu ar lif rhythmig y lleferydd. Dim ond os yw'n ddigon difrifol i darfu'n sylweddol ar ruglder y lleferydd y dylid ei gategoreiddio’n anhwylder.
Last updated: 8 February 2016
Welsh: petruster brechu
English: vaccine hesitancy
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Oedi cyn derbyn, neu wrthod derbyn, brechlyn er bod gwasanaethau brechu ar gael.
Last updated: 17 December 2020
Welsh: peuoedd
English: domains
Status C
Subject: Culture and the arts
Part of speech: Noun, Plural
Definition: Ardaloedd a ddiffinnir yn ieithyddol.
Context: Linguistically defined areas.
Last updated: 27 October 2005
Welsh: PFHxS
English: PFHxS
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r symbol a ddefnyddir yn y ddwy iaith am y llygrydd organig parhaus, perfluorohexane sulfonic acid / asid perfflworohecsan sylffonig.
Last updated: 18 September 2024
Welsh: PFOA
English: PFOA
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r symbol a ddefnyddir yn y ddwy iaith am y llygrydd organig parhaus, perfluorooctanoic acid / asid perfflworooctanoig.
Last updated: 18 September 2024
Welsh: pH
English: pH
Status A
Subject: Environment
Part of speech: Neutral
Last updated: 11 July 2019