TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: Gatso
English: Gatso
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Definition: Camera/camerâu cyflymder
Context: Wedi'i enwi ar ôl y dyfeisiwr, Maurice Gatsonides.
Last updated: 25 March 2010
Welsh: GAVO
English: GAVO
Status C
Subject: Local government
Part of speech: Noun, Feminine, Singular
Definition: Gwent Association of Voluntary Organisations
Last updated: 29 September 2005
Welsh: GBBA
English: BIRI
Status C
Subject: Welsh Government posts and departments
Definition: Business Improvement and Resource Investment Group
Last updated: 2 May 2008
Welsh: Gbps
English: Gbps
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: Cyfradd drosglwyddo data o 1 biliwn did fesul eiliad.
Notes: Dyma'r acronym a ddefnyddir am gigabit per second / gigadid yr eiliad. Sylwer mai llythyren fawr yw 'G' yn y byrfodd hwn.
Last updated: 15 December 2022
Welsh: GCaD
English: NGfL
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: National Grid for Learning
Last updated: 23 July 2003
Welsh: GCAH
English: GEST
Status A
Subject: Education
Part of speech: Noun, Plural
Definition: Grants for Education Support and Training
Last updated: 17 March 2003
Welsh: GCC
English: ACS
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Plural
Definition: Assembly Communication Services
Last updated: 15 July 2005
Welsh: GCC
English: NPS
Status A
Subject: Welsh Government posts and departments
Part of speech: Proper noun, Masculine, Singular
Definition: National Procurement Service
Notes: Enw llawn: Y Gwasanaeth Caffael Cenedlaethol. Rhan o Grŵp yr Economi, Sgiliau a Chyfoeth Naturiol yn Llywodraeth Cymru. Ychwanegwyd y cofnod hwn Ionawr 2016.
Last updated: 7 January 2016
Welsh: GCC
English: SCW
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: Social Care Wales
Notes: Dyma'r acronym a ddefnyddir yn Gymraeg am y corff Gofal Cymdeithasol Cymru. Awgrymir defnyddio'r acronym mewn sefyllfaoedd pan na ellir osgoi gwneud hynny, yn unig.
Last updated: 5 June 2015
Welsh: GCCC
English: CAGW
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Census Advisory Group for Wales
Last updated: 9 August 2005
Welsh: GCD
English: LCO
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Legislative Competence Order
Last updated: 30 September 2009
Welsh: GCD arfaethedig
English: proposed LCO
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Gorchymyn yn y Cyfrin Gyngor arfaethedig oedd yn ddarostyngedig i'w gymeradwyo gan Gynulliad Cenedlaethol Cymru, Senedd y Deyrnas Unedig, Ysgrifennydd Gwladol Cymnru a'r Frenhines yn ei Chyngor. Ei ddiben oedd ychwanegu cymhwysedd deddfwriaethol penodol (mater) mewn maes ehangach (maes) at gymwyseddau'r Cynulliad i wneud Mesurau oddi fewn iddynt o dan Ddeddf Llywodraeth Cymru 2006.
Context: Gorchymyn Cymhwysedd Deddfwriaethol Arfaethedig y Pwyllgor ynghylch Priffyrdd a Thrafnidiaeth
Last updated: 16 November 2021
Welsh: GCDau
English: LCOs
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Context: Mewn cyd-destunau cyffredinol.
Last updated: 5 August 2010
Welsh: GCD drafft
English: draft LCO
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Context: LCO = Legislative Competence Order
Last updated: 30 September 2009
Welsh: GCD drafft
English: draft LCO
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: gorchymyn cymhwysedd deddfwriaethol o dan Ddeddf Llywodraeth Cymru 2006 yr oedd Cynulliad Cenedlaethol Cymru a Senedd y Deyrnas Unedig yn ei ystyried cyn pleidleisio arno
Context: Ar ôl cyflwyno GCD drafft, dim ond i dderbyn neu wrthod y GCD hwnnw yn ei gyfanrwydd y gall y Cynulliad bleidleisio. Ni all ddiwygio'r GCD drafft mewn unrhyw ffordd.
Last updated: 16 November 2021
Welsh: GCM
English: SCA
Status C
Subject: Education
Part of speech: Verb
Definition: Student Community Action
Last updated: 13 February 2003
Welsh: GCRF
English: GCRF
Status B
Subject: Education
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am y Global Challenges Research Fund / Y Gronfa Ymchwil i Heriau Byd-eang
Last updated: 9 August 2017
Welsh: GCW
English: IAG
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Implementation Advisory Group
Last updated: 27 May 2004
Welsh: GDC
English: ALG
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: Assembly Learning Grant
Context: Grant Dysgu'r Cynulliad
Last updated: 13 July 2006
Welsh: GDDP
English: CCLD
Status C
Subject: Social services
Part of speech: Neutral
Definition: Children’s Care, Learning and Development
Context: Gofal, Dysgu a Datblygiad Plant. Yng nghyd-destun: 1) Cymhwyster galwedigaethol 2) Safonau Galwedigaethol Cenedlaethol Gofal, Dysgu a Datblygiad Plant 3) Sector Gofal, Dysgu a Datblygiad Plant.
Last updated: 1 November 2010
Welsh: GDHI
English: GDHI
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: Gross Disposable Household Income
Last updated: 1 June 2005
Welsh: GDPR
English: GDPR
Status B
Subject: Europe
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am General Data Protection Regulation / Y Rheoliad Cyffredinol ar Ddiogelu Data
Last updated: 23 March 2017
Welsh: GDPR y DU
English: UK GDPR
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Notes: Enw tebygol ar GDPR yn dilyn Brexit.
Last updated: 15 May 2019
Welsh: gefeiliau
English: forceps
Status C
Subject: Health
Part of speech: Noun, Plural
Last updated: 17 July 2006
Welsh: gefeilliaid deusygotig
English: dizygotic twins
Status C
Subject: Health
Part of speech: Noun, Plural
Definition: Two offspring born of the same pregnancy and developed from two ova that were released from the ovary simultaneously and fertilized at the same time. They may be of the same or opposite sex, differ both physically and genetically, and have two separate and distinct placentas and membranes, both amnion and chorion.
Context: Gwelwyd cynnydd sylweddol yn y nifer o achosion o efeilliaid monosygotig (unwy/un ffunud) sy'n cydgordio i drawsnewid o'u cymharu â gefeilliaid deusygotig (deuwy).
Notes: Mae’r term fraternal twins / gefeilliaid deuwy yn gyfystyr.
Last updated: 9 June 2016
Welsh: gefel
English: forceps
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 13 March 2008
Welsh: gefell digidol
English: digital twin
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: gefeilliaid digidol
Definition: Cynrychioliad rhithiol o endid neu system ffisegol yn y byd go iawn, sy'n gwbl annibynnol ac yn gallu dysgu gan yr endid neu system ffisegol gyfatebol. Gellir ei ddefnyddio i wella perfformiad y system ffisegol neu i rag-weld ac atal problemau cyn iddynt ddigwydd.
Notes: Mae'r term hwn yn rhan o gyfres o dri term cysylltiedig sy'n adlewyrchu lefelau gwahanol o gymhlethdod yn y systemau rhithiol: digital model (model digidol), digital shadow (cysgod digidol) a digital twin (gefell digidol).
Last updated: 27 March 2024
Welsh: gefryn
English: kid
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: male kid
Last updated: 3 October 2003
Welsh: gefrynnod
English: kids
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Definition: young goats
Last updated: 3 October 2003
Welsh: gefynnau
English: handcuffs
Status B
Subject: Justice and order
Part of speech: Noun, Plural
Last updated: 29 August 2012
Welsh: gefynnau euraid
English: golden handcuffs
Status C
Subject: Personnel
Part of speech: Noun, Plural
Last updated: 10 November 2004
Welsh: gefynnu
English: shackle
Status A
Subject: Agriculture
Part of speech: Verb
Last updated: 5 February 2013
Welsh: Geid
English: Guide
Status A
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Plural: Geidiaid
Notes: Yng ngyd-destun mudiad y Girl Guides.
Last updated: 4 June 2018
Welsh: geifr
English: caprine
Status C
Subject: Animals
Part of speech: Noun, Plural
Last updated: 19 May 2004
Welsh: geifre
English: herd
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Definition: of goats
Last updated: 29 July 2003
Welsh: Geiger Bay
English: Geiger Bay
Status B
Subject: Environment
Part of speech: Proper noun
Notes: Ymgyrch yn erbyn y cynnig i adael gwastraff o orsaf ynni niwclear Hinkley Point C yn ardal Bastiroedd Caerdydd yn aber afon Hafren.
Last updated: 23 March 2021
Welsh: geirda
English: reference
Status A
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: a reference for a job
Context: Lluosog: geirdaon.
Last updated: 12 January 2004
Welsh: geirfa
English: glossary
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last updated: 21 June 2010
Welsh: geirfa amlder uchel
English: high frequency vocabulary
Status B
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Plural: geirfâu amlder uchel
Definition: Geirfa sy'n digwydd yn aml iawn naill ai mewn iaith lafar neu mewn iaith ysgrifenedig (neu yn y ddwy 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
Welsh: geirfaol
English: lexical
Status B
Subject: Culture and the arts
Part of speech: Adjective
Definition: Yn ymwneud â holl eiriau (geirfa) 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
Welsh: geiriad
English: legend
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: geiriadau
Definition: Y geiriau a’r llythrennau sy’n ymddangos ar arwydd ffordd, heb gynnwys symbolau a ddyluniwyd ac a all gynnwys llythrennau (ee P am ddarpariaeth barcio).
Last updated: 18 May 2023
Welsh: geiriad traddodiadol
English: traditional expression
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Plural: geiriadau traddodiadol
Definition: Enw a ddefnyddir yn draddodiadol i gyfeirio’n benodol at y dull cynhyrchu neu at ansawdd, lliw neu fath o win.
Last updated: 5 November 2020
Welsh: geiriadur
English: dictionary
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: Geiriadur Allweddeiriau
English: Keyword Dictionary
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 7 February 2008
Welsh: geiriadur data
English: data dictionary
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: geiriadur newydd
English: new dictionary
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: Geir-IAU
English: U-News
Status A
Subject: Education
Context: Title of competition for children and young people.
Last updated: 5 July 2010
Welsh: geiriau cloi
English: full-out words
Status A
Subject: Law
Part of speech: Noun, Plural
Definition: geiriau sy'n dod ar ôl nifer o baragraffau etc ac yn cloi darpariaeth ddeddfwriaethol.
Context: yn y geiriau cloi ar ddiwedd y diffiniad, ar ôl “those provisions of the Children Act 1989” mewnosoder “or, as the case may be, the Social Services and Well-being (Wales) Act 2014
Last updated: 16 November 2021
Welsh: geiriau dibwys
English: noise words
Status C
Subject: ICT
Part of speech: Noun, Plural
Definition: Geiriau sy'n cael eu hepgor wrth chwilio am frawddeg ar wefan.
Last updated: 14 June 2004
Welsh: geiriau gyda rhifau
English: words with numbers
Status B
Subject: ICT
Part of speech: Noun, Plural
Last updated: 19 July 2005