TermCymru

Results are displayed in English alphabetical order A-Z
English: glossary
Welsh: geirfa
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last Updated: 21 June 2010
English: glossy magazine
Welsh: cylchgrawn sglein
Status C
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last Updated: 10 November 2004
English: Gloucester
Welsh: Caerloyw
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Lle yn Lloegr.
Last Updated: 26 November 2012
English: Gloucestershire
Welsh: Swydd Gaerloyw
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Enw sir yn Lloegr. Safonwyd y ffurf hon gan Banel Safoni Enwau Lleoedd Comisiynydd y Gymraeg fel rhan o restr o siroedd Lloegr. Am ragor o wybodaeth am y prosiect safoni hwn, gweler gwefan Comisiynydd y Gymraeg.
Last Updated: 17 June 2025
English: glove
Welsh: maneg
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: menyg
Notes: Elfen o gyfarpar diogelu personol (PPE).
Last Updated: 22 July 2020
English: glove compartment
Welsh: bocs menyg
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last Updated: 10 December 2010
English: GLS
Welsh: Gwasanaeth Cyfreithiol y Llywodraeth
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Definition: Government Legal Service
Last Updated: 6 December 2005
English: GLT
Welsh: Tim Cyswllt y Llywodraeth
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Definition: Government Liaison Team
Last Updated: 5 June 2006
English: glucose
Welsh: glwcos
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 7 March 2008
English: glue
Welsh: glud
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Plural: gludion
Definition: Mewn cyd-destunau technegol, math o adlyn (‘adhesive’). Gall y diffiniad o’r cysyniad amrywio, ond yn aml bydd glud yn gynnyrch hylifol a gall fod yn adlyn a wneuthurwyd o sylweddau organig yn hytrach na synthetig.
Notes: Mewn cyd-destunau cyffredinol Saesneg, yn aml defnyddir ‘glue’ yn gyfystyr ag ‘adhesive’.
Last Updated: 27 October 2022
English: glue ear
Welsh: clust ludiog
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: clustiau gludiog
Definition: Glue ear is a common childhood condition where the middle ear becomes filled with fluid. The medical term for glue ear is otitis media with effusion (OME).
Notes: O ganllawiau ar leferydd, iaith a chyfathrebu.
Last Updated: 21 July 2015
English: glue trap
Welsh: trap glud
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: trapiau glud
Definition: Dyfais ar gyfer dal anifeiliaid bychain sy'n bla, fel arfer llygod neu lygod mawr. Gan amlaf, mae'n cynnwys darn o gardfwrdd, plastig neu bren tenau gyda glud cryf iawn nad yw'n sychu.
Last Updated: 21 July 2022
English: glutamic acid
Welsh: asid glwtamig
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Context: Mae Atodlen 1 yn awdurdodiad newydd, ar gyfer paratoad o gelad manganîs o lysin ac asid glwtamig.
Notes: Daw'r testun cyd-destunol o Reoliadau Ychwanegion Bwyd Anifeiliaid (Awdurdodiadau) (Cymru) 2022.
Last Updated: 10 December 2024
English: gluten free
Welsh: heb glwten
Status C
Subject: Food
Part of speech: Preposition
Last Updated: 1 December 2008
English: glycated haemoglobin    
Welsh: haemoglobin glycedig
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Protin haemoglobin y mae moleciwl glwcos wedi glynu ato yn y gwaed.
Notes: Y term Saesneg mwyaf cymeradwy am y cysyniad hwn yw glycated haemoglobin, ond defnyddir glycosolated haemoglobin yn achlysurol am yr un peth.
Last Updated: 15 April 2021
English: glycosolated haemoglobin
Welsh: haemoglobin glycedig
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Protin haemoglobin y mae moleciwl glwcos wedi glynu ato yn y gwaed.
Notes: Y term Saesneg mwyaf cymeradwy am y cysyniad hwn yw glycated haemoglobin, ond defnyddir glycosolated haemoglobin yn achlysurol am yr un peth.
Last Updated: 15 April 2021
English: Glyder
Welsh: Glyder
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Gwynedd. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Gwynedd (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Glyn
Welsh: Glyn
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Gaerfyrddin. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Gaerfyrddin (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Glyn
Welsh: Glyn
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Conwy. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Conwy (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Glyn-coch
Welsh: Glyn-coch
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Rhondda Cynon Taf. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Rhondda Cynon Taf (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Glyndŵr's Way
Welsh: Llwybr Glyndŵr
Status A
Subject: Place-names
Part of speech: Noun, Masculine, Singular
Last Updated: 6 April 2005
English: Glyndŵr University
Welsh: Prifysgol Glyndŵr
Status A
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Previously North East Wales Institute of Higher Education (NEWI).
Last Updated: 10 November 2008
English: Glyn-neath
Welsh: Glyn-nedd
Status C
Subject: Place-names
Part of speech: Proper noun
Last Updated: 30 August 2007
English: Glynneath Central and East
Welsh: Canol a Dwyrain Glyn-nedd
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Castell-nedd Port Talbot. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Castell-nedd Port Talbot (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Glyn Tarrell
Welsh: Glyntarell
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Powys
Last Updated: 14 August 2003
English: Glyn Vivian Art Gallery
Welsh: Oriel Gelf Glyn Vivian
Status A
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: Art gallery in Swansea
Last Updated: 15 December 2010
English: Glyn y Marl
Welsh: Glyn y Marl
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Conwy. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Conwy (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: GM
Welsh: addasu genetig
Status C
Subject: Food
Part of speech: Verb
Definition: genetic modification
Last Updated: 9 July 2008
English: GM Crop Production Free Zone
Welsh: Ardal heb Gnydau GM
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last Updated: 7 April 2009
English: GMEP
Welsh: Rhaglen Monitro a Gwerthuso Glastir
Status A
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last Updated: 25 July 2019
English: GM free area
Welsh: ardal ddi-GM
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last Updated: 7 April 2009
English: GM Free Network of Regions
Welsh: Rhwydwaith y Rhanbarthau Rhydd o GM
Status C
Subject: Europe
Part of speech: Noun, Masculine, Singular
Last Updated: 10 August 2006
English: GM herbicide-tolerant maize
Welsh: india-corn GM â goddefiant i chwynladdwr
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: India-corn â’i enynnau wedi’u haddasu i allu goddef chwynladdwr.
Last Updated: 23 September 2025
English: GMI
Welsh: Mesur Gweithredu Cyffredinol
Status A
Subject: Social services
Part of speech: Proper noun, Masculine, Singular
Definition: General Measure of Implementation
Context: UN Convention on the Rights of the Child
Last Updated: 25 March 2014
English: GMO
Welsh: GMO
Status C
Subject: Agriculture
Definition: Genetically Modified Organism
Last Updated: 30 July 2003
English: GMO deliberate release
Welsh: rhyddhau (gollwng) GMO yn fwriadol
Status C
Subject: Agriculture
Part of speech: Verb
Last Updated: 30 July 2003
English: GMO free region
Welsh: rhanbarth di-GMO
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 19 December 2003
English: GMP
Welsh: GMP
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: General Medical Practitioner
Last Updated: 14 January 2003
English: GMP
Welsh: Isafswm Pensiwn Gwarantedig
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am Guaranteed Minimum Pension.
Last Updated: 15 December 2022
English: GMPI
Welsh: Indemniad Ymarfer Meddygol Cyffredinol
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am General Medical Practice Indemnity.
Last Updated: 4 December 2025
English: GMS contract
Welsh: contract ar gyfer gwasanaethau meddygol cyffredinol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: GMS = general medical services
Last Updated: 14 October 2003
English: GMS contractor
Welsh: contractwr gwasanaethau meddygol cyffredinol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: contractwyr gwasanaethau meddygol cyffredinol
Last Updated: 9 April 2020
English: GMS Contract Oversight Group
Welsh: Grŵp Goruchwylio Contract y Gwasanaethau Meddygol Cyffredinol
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: Erbyn hyn mae cyfarfodydd Grŵp Goruchwylio Contract y Gwasanaethau Meddygol Cyffredinol yn cael eu cynnal bob 6-8 wythnos i hwyluso cyfarfodydd y ffrydiau gwaith a gynhelir yn ystod y cyfnod hwnnw.
Last Updated: 1 August 2018
English: GNI
Welsh: GNI
Status C
Subject: Finance and statistics
Definition: Gross National Income
Last Updated: 26 July 2004
English: GNN
Welsh: Rhwydwaith Newyddion y Llywodraeth
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: Government News Network
Last Updated: 5 June 2006
English: GNP
Welsh: CGC
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Definition: gross national product
Last Updated: 3 December 2003
English: GnRH
Welsh: GnRH
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym gwyddonol a ddefnyddir am gonadotropin-releasing hormone / hormon sy'n rhyddhau gonadotropin (neu gonadotrophin-releasing hormone / hormon sy'n rhyddhau gonadotroffin). Gonadotropin yw'r sillafiad safonol arferol, ond gwelir gonadotrophin/gonadotroffin hefyd.
Last Updated: 20 June 2024
English: GNVQ
Welsh: GNVQ
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: General National Vocational Qualification
Last Updated: 25 February 2004
English: goal setting
Welsh: gosod nodau
Status C
Subject: Personnel
Part of speech: Verb
Last Updated: 20 December 2007
English: Goat Dairy Trade Association
Welsh: Cymdeithas Fasnach Llaeth Geifr
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Definition: GDTA
Last Updated: 10 November 2010