TermCymru

Results are displayed in alphabetical order.
Welsh: Y Sefydliad Brenhinol dros Faterion Rhyngwladol
English: Royal Institute of International Affairs
Status B
Subject: Politics
Part of speech: Proper noun, Masculine, Singular
Context: Known informally as "Chatham House".
Last updated: 24 September 2012
Welsh: Y Sefydliad Cenedlaethol ar gyfer Diogelu Iechyd
English: National Institute for Health Protection
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 3 December 2020
Welsh: Y Sefydliad Cenedlaethol dros Addysg Barhaus i Oedolion
English: National Institute of Adult Continuing Education
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: NIACE
Last updated: 10 February 2004
Welsh: Y Sefydliad Cenedlaethol dros Addysg Barhaus i Oedolion Dysgu Cymru
English: National Institute of Adult Continuing Education Dysgu Cymru
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 8 July 2010
Welsh: Y Sefydliad Cenedlaethol dros Ragoriaeth mewn Iechyd a Gofal
English: National Institute for Health and Care Excellence
Status A
Subject: Health
Part of speech: Proper noun, Masculine, Singular
Definition: NICE. Formerly the National Institute for Health and Clinical Excellence.
Last updated: 2 April 2013
Welsh: Y Sefydliad Cenedlaethol dros Ymchwil Iechyd a Gofal
English: National Institute of Health and Care Research
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: NIHR
Notes: Mae'r sefydliad wedi newid ei enw o'r National Institute of Health Research / Sefydliad Cenedlaethol dros Ymchwil Iechyd, ond nid yw'r acronym NIHR wedi newid.
Last updated: 21 May 2024
Welsh: Y Sefydliad Cenedlaethol dros Ymchwil Iechyd a Gofal
English: NIHR
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am y National Institute of Health and Care Research. Mae'r sefydliad wedi newid ei enw o'r National Institute of Health Research / Sefydliad Cenedlaethol dros Ymchwil Iechyd, ond nid yw'r acronym NIHR wedi newid.
Last updated: 23 May 2024
Welsh: Y Sefydliad Cenedlaethol er Ymchwil i Addysg
English: National Foundation for Educational Research
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: NFER
Last updated: 11 October 2004
Welsh: Y Sefydliad Codi Arian
English: Institute of Fundraisers
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 27 November 2007
Welsh: Y Sefydliad Cristnogol
English: The Christian Institute
Status C
Subject: Religion
Part of speech: Noun, Masculine, Singular
Last updated: 12 September 2007
Welsh: Y Sefydliad Cydlyniant Cymunedol
English: iCoCo
Status C
Subject: Community development
Part of speech: Noun, Masculine, Singular
Definition: Institute of Community Cohesion
Last updated: 14 December 2009
Welsh: Y Sefydliad Cydlyniant Cymunedol
English: Institute of Community Cohesion
Status C
Subject: Community development
Part of speech: Noun, Masculine, Singular
Definition: iCoCo
Last updated: 14 December 2009
Welsh: Y Sefydliad Cynllunio Trefol Brenhinol yng Nghymru
English: Royal Town Planning Institute (Wales)
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: RTPI
Last updated: 5 November 2003
Welsh: Y Sefydliad Cynllunio Trefol Brenhinol yng Nghymru
English: RTPI
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Royal Town Planning Institute (Wales)
Last updated: 10 January 2008
Welsh: Y Sefydliad Datblygiad Plant
English: Child Development Institute
Status A
Subject: Education
Part of speech: Proper noun, Masculine, Singular
Context: Teitl cwrteisi.
Last updated: 24 October 2014
Welsh: Y Sefydliad Diagnosteg Fiofeddygol
English: Biomedical Diagnostics Institute
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi o enw sefydliad ym Mhrifysgol Dinas Dulyn, nad oes iddo enw Cymraeg swyddogol.
Last updated: 16 March 2017
Welsh: Y Sefydliad Dur a Metelau
English: Steel and Metals Institute
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Notes: Rhan o Brifysgol Abertawe
Last updated: 4 April 2019
Welsh: Y Sefydliad Dysgu a Gwaith
English: Learning and Work Institute
Status A
Subject: Economic development
Part of speech: Proper noun
Last updated: 8 May 2019
Welsh: y Sefydliad Ffiseg
English: Institute of Physics
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 24 January 2011
Welsh: Y Sefydliad Gofal Cyhoeddus
English: Institute of Public Care
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 13 October 2004
Welsh: Y Sefydliad Gofal Cymdeithasol er Rhagoriaeth
English: Social Care Institute for Excellence
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: SCIE
Last updated: 26 August 2005
Welsh: Y Sefydliad Gwella Gofal Iechyd
English: Institute for Healthcare Improvement
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi ar enw sefydliad nad oes iddo enw Cymraeg swyddogol
Last updated: 16 March 2017
Welsh: Y Sefydliad Gwyddorau Dihalogi
English: Institute of Decontamination Sciences
Status C
Subject: Health
Part of speech: Proper noun, Masculine, Singular
Definition: IDSc
Last updated: 27 September 2018
Welsh: Y Sefydliad Gwyddorau Dihalogi
English: IDSc
Status C
Subject: Health
Part of speech: Proper noun, Masculine, Singular
Definition: Institute of Decontamination Sciences
Last updated: 27 September 2018
Welsh: Y Sefydliad Gwyddor Bywyd
English: Institute of Life Science
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: ILS
Last updated: 5 May 2005
Welsh: Y Sefydliad Heddwch Rhyngwladol
English: International Peace Institute
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi oenw corff rhyngwladol nad oes ganddo enw Cymraeg.
Last updated: 16 October 2025
Welsh: Y Sefydliad Llafur Rhyngwladol
English: International Labour Organisation
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Last updated: 26 September 2019
Welsh: Y Sefydliad Llafur Rhyngwladol
English: ILO
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Last updated: 26 September 2019
Welsh: Y Sefydliad Lleiafrifoedd Ethnig
English: Ethnic Minority Foundation
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2005
Welsh: y Sefydliad Mathemateg
English: Institute of Mathematics
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 24 January 2011
Welsh: Y Sefydliad Meddyginiaethau Molecwlaidd
English: Institute of Molecular Medicines
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi o enw sefydliad ym Mhrifysgol y Drindod, Dulyn, nad oes iddo enw Cymraeg swyddogol.
Last updated: 16 March 2017
Welsh: Y Sefydliad Priffyrdd a Chludiant
English: Institute of Highways and Transportation
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last updated: 9 December 2004
Welsh: Y Sefydliad Rheoli Morol
English: Marine Management Organisation
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: MMO
Context: Yn cael ei greu gan Fesur y Môr i fod yn gyfrifol am gynllunio, trwyddedu, rheoli pysgodfeydd a gorfodi yn y môr o gwmpas Lloegr ac ardal môr y Deyrnas Unedig.
Last updated: 25 November 2009
Welsh: Y Sefydliad Rheoli Morol
English: MMO
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Marine Management Organisation
Context: Yn cael ei greu gan Fesur y Môr i fod yn gyfrifol am gynllunio, trwyddedu, rheoli pysgodfeydd a gorfodi yn y môr o gwmpas Lloegr ac ardal môr y Deyrnas Unedig.
Last updated: 31 July 2012
Welsh: Y Sefydliad Safonau Prydeinig
English: British Standards Institution
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 1 October 2020
Welsh: Y Sefydliad Safonau Prydeinig
English: BSI
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir yn gyffredin am y British Standards Institution.
Last updated: 1 October 2020
Welsh: Y Sefydliad Siartredig Caffael a Chyflenwi
English: Chartered Institute of Procurement and Supply
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: CIPS
Last updated: 29 August 2025
Welsh: Y Sefydliad Siartredig Caffael a Chyflenwi
English: CIPS
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Chartered Institute of Procurement and Supply
Notes: Dyma’r acronym Saesneg a ddefnyddir am y Chartered Institute of Procurement and Supply.
Last updated: 29 August 2025
Welsh: Y Sefydliad Tai Siartredig
English: Chartered Institute of Housing
Status A
Subject: Housing
Part of speech: Noun, Masculine, Singular
Definition: CIH
Last updated: 14 August 2003
Welsh: Y Sefydliad Tegwch Iechyd
English: Institute of Health Equity
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyfieithiad cwrteisi ar enw corff sydd â ffurf swyddogol Saesneg yn unig.
Last updated: 18 September 2025
Welsh: Y Sefydliad Ymchwil Bôn-gelloedd Canser Ewropeaidd
English: European Cancer Stem Cell Research Institute
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Athrofa ym Mhrifysgol Caerdydd. Dyma'r enwau a ddefnyddir gan y corff ei hun yn y ddwy iaith.
Last updated: 19 January 2023
Welsh: Y Sefydliad Ymchwil Gymdeithasol ac Economaidd
English: Institute for Social and Economic Research
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Context: cafodd y model ei greu ac mae'n cael ei gynnal gan y Sefydliad Ymchwil Gymdeithasol ac Economaidd (ISER) ym Mhrifysgol Essex.
Notes: Cyfieithiad cwrteisi o enw adnodd nad oes ffurf swyddogol Gymraeg iddo.
Last updated: 25 October 2017
Welsh: Y Sefydliad Ymchwil Polisi Cyhoeddus
English: Institute of Public Policy Research
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: IPPR
Last updated: 23 September 2004
Welsh: Y Seilwaith Cyfeiriadau Gofodol Cenedlaethol
English: National Spatial Address Infrastructure
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2005
Welsh: y seithfed Senedd
English: seventh Senedd
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Definition: Dull o gyfeirio at y tymor y disgwylir iddo ddechrau ar ôl etholiad cyffredinol y Senedd yn 2026.
Last updated: 20 February 2025
Welsh: y senario waethaf sy’n rhesymol ei thybied
English: reasonable worst case scenario
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 24 September 2020
Welsh: y Senedd
English: Parliament
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Definition: UK Parliament
Last updated: 17 October 2006
Welsh: Y Senedd
English: The Senedd
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Definition: Prif adeilad cyhoeddus Senedd Cymru.
Last updated: 30 September 2009
Welsh: y Senedd
English: the Senedd
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Notes: Dyma’r ffurf fer ar yr enw Senedd Cymru, y bydd Llywodraeth Cymru yn ei defnyddio yn y ddwy iaith am ddeddfwrfa Cymru. Disodlwyd yr enw Cynulliad Cenedlaethol Cymru ar 6 Mai 2020. Gweler yr eitem yn yr Arddulliadur am enw’r sefydliad.
Last updated: 7 May 2020
Welsh: ysfa
English: impulse
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: ysfeydd
Notes: Ym maes seicoleg.
Last updated: 10 October 2024