TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: gwrthgaethwasiaeth
English: anti-slavery
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 2 March 2023
Welsh: Gwrthgaethwasiaeth Cymru
English: Anti-Slavery Wales
Status B
Subject: Community development
Part of speech: Proper noun
Notes: Cynhadledd a gynhelir yn 2023.
Last updated: 19 April 2023
Welsh: Gwrthgaethwasiaeth Cymru – Dysgu Ar-lein
English: Anti-Slavery Wales Online Learning
Status B
Subject: Personnel
Part of speech: Proper noun
Last updated: 19 December 2024
Welsh: gwrthgeulo drwy'r geg
English: oral anticoagulation
Status C
Subject: Health
Last updated: 18 November 2021
Welsh: gwrthgeulydd
English: anticoagulant
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 3 October 2006
Welsh: gwrthgloddiau hynafol
English: ancient earthworks
Status B
Subject: Estates and Cadw
Part of speech: Noun, Plural
Last updated: 30 July 2003
Welsh: gwrthgolocwedd
English: counterclockwise
Status B
Subject: ICT
Part of speech: Adjective
Last updated: 19 July 2005
Welsh: gwrthgorff
English: antibody
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 March 2004
Welsh: gwrthgorff monoclonaidd
English: monoclonal antibody
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwrthgyrff monoclonaidd
Definition: Math o brotein a gaiff ei wneud mewn labordy ac sy'n gallu ymlynu at dargedau penodol fel y gwrthgyrff ar wyneb feirws neu gell canser. Mae pob gwrthgorff monoclonaidd yn cael ei greu i ymlynu at un gwrthgorff penodol yn unig.
Last updated: 9 December 2021
Welsh: gwrthgorff niwcleocapsid
English: nucleocapsid antibody
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwrthgyrff niwcleocapsid
Last updated: 19 August 2021
Welsh: gwrthgorff sbigyn
English: spike antibody
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwrthgyrff sbigyn
Last updated: 19 August 2021
Welsh: gwrthgylchol
English: countercyclical
Status C
Subject: Economic development
Part of speech: Adjective
Context: Actions aimed at smoothing out swings in economic activity.
Last updated: 29 September 2009
Welsh: gwrthgyrff
English: antibodies
Status C
Subject: Health
Part of speech: Noun, Plural
Last updated: 16 August 2004
Welsh: gwrth-hiliaeth
English: anti-racism
Status B
Subject: Community development
Part of speech: Noun, Feminine, Singular
Last updated: 2 July 2025
Welsh: gwrth-hiliol
English: antiracist
Status A
Subject: General
Part of speech: Adjective
Notes: Daw'r term hwn o gasgliad y Grŵp Gorchwyl a Gorffen ar Derminoleg ym maes Cydraddoldeb o ran Hil ac Ethnigrwydd.
Last updated: 18 April 2023
Welsh: gwrth-hiliol
English: anti-racist
Status A
Subject: General
Part of speech: Adjective
Notes: Daw'r term hwn o gasgliad y Grŵp Gorchwyl a Gorffen ar Derminoleg ym maes Cydraddoldeb o ran Hil ac Ethnigrwydd.
Last updated: 18 April 2023
Welsh: gwrthiant tân
English: fire resistance
Status B
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Definition: Gallu rhywbeth i wrthsefyll niwed gan dân.
Last updated: 12 November 2025
Welsh: gwrth-iselyddion
English: anti-depressants
Status B
Subject: Health
Part of speech: Noun, Plural
Last updated: 16 August 2004
Welsh: gwrth-LHDTC+
English: anti-LGBTQ+
Status B
Subject: General
Part of speech: Adjective
Last updated: 8 December 2022
Welsh: gwrthocsidydd
English: antioxidant
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 19 January 2012
Welsh: gwrthocsidyddion
English: antioxidants
Status C
Subject: Food
Part of speech: Noun, Plural
Last updated: 23 November 2011
Welsh: gwrthod
English: dismiss
Status C
Subject: General
Part of speech: Verb
Definition: dismiss a complaint
Last updated: 8 November 2004
Welsh: gwrthod
English: refuse
Status C
Subject: General
Part of speech: Verb
Last updated: 15 December 2010
Welsh: gwrthodwyd
English: rejected
Status B
Subject: Local government
Part of speech: Verb
Definition: e.e. gwrthod papur pleidleisio am nad yw wedi'i lenwi'n briodol
Last updated: 21 March 2003
Welsh: gwrthrych
English: object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych
English: object
Status A
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Plural: gwrthrychau
Notes: Yng nghyd-destun y ddeddfwriaeth ar gyfer henebion ac adeiladau rhestredig.
Last updated: 3 February 2022
Welsh: gwrthrych allwthiad
English: extrusion object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych artiffisial
English: artificial object
Status A
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Plural: gwrthrychau artiffisial
Notes: Yng nghyd-destun y ddeddfwriaeth ar gyfer henebion ac adeiladau rhestredig.
Last updated: 3 February 2022
Welsh: gwrthrychau
English: specimens
Status C
Subject: Estates and Cadw
Part of speech: Noun, Plural
Last updated: 13 March 2012
Welsh: gwrthrychau'r data
English: data subjects
Status C
Subject: ICT
Part of speech: Noun, Plural
Last updated: 19 April 2007
Welsh: gwrthrych cyfeirio
English: object of reference
Status B
Subject: Education
Part of speech: Noun, Plural
Plural: gwrthrychau cyfeirio
Definition: Yn achos babanod a phlant bach, gwrthrych a ddefnyddir fel dull o gyfathrebu, efallai ar y cyd â geiriau. Er enghraifft llyfr ar gyfer amser stori, gogls ar gyfer esgus nofio, stethosgop ar gyfer dynwared bod yn feddyg.
Notes: Term a ddefnyddir yn neunyddiau'r cwricwlwm.
Last updated: 20 August 2025
Welsh: gwrthrych dihafal
English: pre-eminent object
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Yn ôl diffiniad y Cynllun Rhoddion i'r Genedl.
Context: As defined in the Gifts to the Nation Scheme.
Last updated: 23 April 2012
Welsh: gwrthrychedd
English: objectivity
Status C
Subject: Politics
Part of speech: Noun, Masculine, Singular
Definition: One of the Civil Service core values (integrity, honesty, objectivity and impartiality).
Last updated: 30 August 2007
Welsh: gwrthrych grŵp
English: group object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych lluniadu
English: draw object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych lluniadu grŵp
English: group draw object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych nesaf
English: next object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych siart
English: chart object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych testun
English: text object
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: gwrthrych y data
English: data subject
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 April 2007
Welsh: gwrthryfel
English: insurrection
Status A
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last updated: 25 June 2013
Welsh: gwrthryfel yr ifanc
English: youth rebellion
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 28 September 2011
Welsh: Gwrthsafiad a pharch: Datblygu cydlyniant cymunedol - dealltwriaeth gyffredin ar gyfer ysgolion a'u cymunedau
English: Respect and resilience: Developing community cohesion - a common understanding for schools and their communities
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Notes: Dogfen gan Lywodraeth Cymru yn cynnig gwybodaeth i bob ysgol ynghylch yr hyn sy'n achosi eithafiaeth dreisgar a'r camau i'w gymryd i'w atal. Cyhoeddwyd Ionawr 2011. Dyma deitl swyddogol y ddogfen. Sylwer mai 'gwydnwch' a ddefnyddir bellach am 'resilience'.
Last updated: 3 April 2025
Welsh: gwrthsegura
English: anti-idling
Status A
Subject: Environment
Part of speech: Verb
Definition: Mynd i'r afael ag ymddygiadau ymysg gyrwyr lle gadewir i'r injan segura, yn bennaf er mwyn atal llygredd.
Last updated: 26 January 2023
Welsh: gwrthseicotig
English: antipsychotic
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwrthseicotigau
Definition: A class of drugs used to control psychotic symptoms in patients with psychotic disorders such as schizophrenia and delusional disorder.
Last updated: 15 September 2016
Welsh: gwrthsemitiaeth
English: antisemitism
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Definition: Math o ganfyddiad o Iddewon, a all gael ei gyfleu fel casineb tuag at Iddewon, yw gwrthsemitiaeth. Amlygir gwrthsemitiaeth drwy iaith a gweithredoedd corfforol sydd wedi'u hanelu at Iddewon neu unigolion nad ydynt yn Iddewon a/neu eu heiddo; ac at sefydliadau cymunedol a chyfleusterau crefyddol Iddewig.
Notes: Mae Llywodraeth Cymru wedi derbyn diffiniad dros dro Cynghrair Rhyngwladol Cofio'r Holocost ar gyfer gwrthsemitiaeth. Ni roddir priflythyren i'r elfennau "semitism" na "semitiaeth" gan fod y Semitiaid yn grwp ehangach o bobl na'r Iddewon - yn dechnegol, maent yn cynnwys yr holl bobloedd sy'n siarad ieithoedd Semitaidd - ond term sy'n ymwneud yn benodol â'r Iddewon yw 'gwrthsemitiaeth'.
Last updated: 2 July 2025
Welsh: gwrthsoddedig
English: countersunk
Status C
Subject: Environment
Part of speech: Adjective
Definition: of a screw, eg
Last updated: 16 January 2013
Welsh: gwrthweithio manteision treth
English: counteract a tax advantage
Status B
Subject: Law
Part of speech: Verb
Notes: Term o Fil Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2016.
Last updated: 17 August 2016
Welsh: gwrthweithydd ar gyfer gostyngiad anadlu
English: antagonist for respiratory depression
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwrthweithyddion ar gyfer gostyngiad anadlu
Last updated: 6 November 2019
Welsh: gwrthweithydd derbynyddion opioid ymylol
English: peripheral opioid-receptor antagonist
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwrthweithyddion derbynyddion opioid ymylol
Last updated: 6 November 2019