TermCymru

Results are displayed in Welsh alphabetical order A-Y

English: corrective tax

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: trethi cywirol

Context: Mae Griffith et al. (2017) wedi dadlau bod modd defnyddio'r amrywiaeth hwn lle bo defnyddwyr yn dewis cynhyrchion gwahanol er mwyn gwella dyluniad trethi cywirol.

Last updated: 29 December 2017

Welsh: Trethi a Budd-daliadau Lleol

English: Local Taxation and Benefits

Status A

Subject: Education

Part of speech: Noun, Plural

Context: Apprenticeship learning pathway.

Last updated: 31 October 2012

Welsh: trethiant a threthiant gohiriedig

English: taxation and deferred taxation

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Last updated: 16 July 2002

Welsh: trethiant buddiannau

English: benefit taxation

Status C

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Context: Fel egwyddor sylfaenol, mae’r OECD yn nodi y dylai llywodraethau is-genedlaethol ddibynnu ar “drethiant buddiannau” megis trethi sy’n creu cyswllt rhwng y trethi a delir a’r gwasanaethau cyhoeddus a ddarperir.

Last updated: 5 July 2017

Welsh: trethiant domestig

English: domestic taxation

Status A

Subject: Finance and statistics

Part of speech: Noun, Plural

Context: Yn ei Strategaeth Fyd-eang, mae Sefydliad Iechyd y Byd yn galw ar Aelod-wladwriaethau i sefydlu system trethiant domestig i leihau defnydd niweidiol o alcohol.

Last updated: 29 December 2017

Welsh: trethiant dwbl

English: double taxation

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Last updated: 24 February 2006

Welsh: trethiant lleol

English: local taxation

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Notes: Gallai 'trethi lleol' fod yn addas, gan ddibynnu ar y cyd-destun.

Last updated: 29 October 2020

Welsh: Trethi Busnes: Arweiniad i'r system trethi an-nomestig

English: Business Rates: A guide to the non-domestic rating system

Status A

Subject: Finance and statistics

Part of speech: Noun, Plural

Definition: A Welsh Assembly Government publication.

Last updated: 7 December 2005

Welsh: trethi Cymreig

English: Welsh taxes

Status C

Subject: Finance and statistics

Part of speech: Noun, Plural

Context: Bydd Llywodraeth Cymru yn parhau i adolygu trethi Cymreig yng nghyd-destun ein pwerau deddfwriaethol er mwyn sicrhau eu bod yn cyd-fynd â’n blaenoriaethau.

Last updated: 5 July 2017

Welsh: treth incwm

English: income tax

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: trethi incwm

Definition: A direct tax on an individual’s income.

Context: Mae Llywodraeth Cymru'n datblygu arf rhagamcanu a chostio ar gyfer treth incwm, gan ddefnyddio dosbarthiad incwm trethdalwyr yng Nghymru o'r SPI.

Last updated: 25 October 2017

Welsh: treth incwm eiddo

English: property income tax

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: trethi incwm eiddo

Last updated: 18 February 2026

Welsh: treth incwm leol

English: local income tax

Status C

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last updated: 29 October 2020

Welsh: treth lechwraidd

English: stealth tax

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: trethi llechwraidd

Definition: Treth a gaiff ei chodi mewn ffordd anuniongyrchol neu anamlwg. Er enghraifft gall trethdalwr gwreiddiol y dreth basio’r gost ymlaen fel elfen ychwanegol i bris gwasanaeth neu nwydd, ac ni fydd y prynwr yn sylweddoli bod elfen o dreth ynghlwm ym mhris y gwasanaeth neu nwydd. Y prynwr, felly, sy’n ysgwyddo baich y dreth yn hytrach na’r trethdalwr gwreiddiol.

Last updated: 21 November 2022

Welsh: treth ostyngraddol

English: regressive tax

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: trethi gostyngraddol

Definition: Treth y mae ei chyfradd yn gostwng wrth i'r swm trethadwy gynyddu.

Notes: Dyma'r term yn yr ystyr dechnegol a nodir yn y diffiniad. Gellir defnyddio'r ymadrodd 'regressive tax' mewn ystyr annhechnegol hefyd, i olygu treth a ystyrir yn annheg gan fod pobl â llai o incwm neu gyfoeth yn talu cyfran fwy ohono fel treth; os mai'r ystyr honno sydd dan sylw, gall 'treth anflaengar' neu 'treth annheg' fod yn fwy addas.

Last updated: 18 September 2024

Welsh: #TrethPecynnauPlastig

English: #PlasticPackagingTax

Status A

Subject: Environment

Part of speech: Noun, Feminine, Singular

Last updated: 13 August 2020

Welsh: treth pecynnau plastig

English: plastic packaging tax

Status B

Subject: Environment

Part of speech: Noun, Feminine, Singular

Notes: Cynnig am dreth newydd gan Lywodraeth y DU.

Last updated: 13 August 2020

Welsh: treth raddoledig

English: graduated tax

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: trethi graddoledig

Definition: Treth y mae ei chyfradd yn newid wrth i'r swm trethadwy gynyddu.

Notes: Mae treth gynyddraddol ('progressive tax') yn fath o dreth raddoledig, lle mae'r gyfradd yn cynyddu wrth i'r swm trethadwy gynyddu. Math arall o dreth raddoledig yw treth ostyngraddol ('regressive tax') lle mae'r gyfradd yn gostwng wrth i'r swm trethadwy gynyddu.

Last updated: 18 September 2024

Welsh: treth stamp

English: stamp duty

Status C

Subject: Housing

Part of speech: Noun, Feminine, Singular

Last updated: 25 June 2007

Welsh: treth sydd i'w chodi

English: chargeable tax

Status B

Subject: Law

Part of speech: Noun, Feminine, Singular

Plural: trethi sydd i'w codi

Notes: Term o Fil Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2016.

Last updated: 16 August 2016

Welsh: Treth Trafodiadau Tir

English: Land Transaction Tax

Status B

Subject: Environment

Part of speech: Noun, Feminine, Singular

Definition: LTT

Last updated: 5 March 2015

Welsh: Treth Trafodiadau Tir Cymru

English: Welsh Land Transaction Tax

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last updated: 5 June 2015

Welsh: treth ystafell wely

English: bedroom tax

Status A

Subject: Social services

Part of speech: Noun, Feminine, Singular

Definition: Unofficial term for the "under-occupancy penalty" introduced by the Welfare Reform Act 2012.

Last updated: 18 June 2013

Welsh: tretio

English: treating

Status B

Subject: Local government

Part of speech: Verb

Definition: A person shall be guilty of treating if he corruptly, by himself or by any other person, either before, during or after an Assembly election, directly or indirectly gives or provides, or pays wholly or in part the expense of giving or providing, any meat, drink, entertainment or provision to or for any person about to vote or refrain from voting.

Last updated: 21 March 2003

Welsh: Treuddyn

English: Treuddyn

Status A

Subject: Place-names

Part of speech: Proper noun

Notes: Ward etholiadol yn Sir y Fflint Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir y Fflint (Trefniadau Etholiadol) 2021.

Last updated: 17 August 2022

Welsh: treuliant canolraddol

English: intermediate consumption

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Last updated: 6 July 2005

Welsh: treuliant deunyddiau crai

English: raw material depletion

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Y defnydd a wneir o ddeunyddiau crai yn ystod oes gyfan unrhyw gynnyrch (ee adeilad).

Last updated: 26 January 2023

Welsh: treuliau cludo

English: transport expenses

Status C

Subject: Transport

Part of speech: Noun, Plural

Last updated: 30 July 2007

Welsh: treuliau etholiad

English: election expenses

Status A

Subject: Politics

Part of speech: Noun, Plural

Last updated: 3 August 2023

Welsh: treuliau teithio a chynhaliaeth

English: travel and subsistence expenses

Status C

Subject: Finance and statistics

Part of speech: Noun, Plural

Last updated: 4 June 2004

Welsh: treulio anaerobig

English: anaerobic digestion

Status B

Subject: Environment

Part of speech: Verb

Definition: Dadelfennu deunydd bioddiraddadwy yn absenoldeb ocsigen.

Last updated: 10 February 2022

Welsh: Trewyddel

English: Moylegrove

Status A

Subject: Place-names

Part of speech: Proper noun

Definition: Yn Sir Benfro.

Last updated: 9 December 2004

Welsh: Tŵr Grenfell

English: Grenfell Tower

Status B

Subject: Housing

Part of speech: Noun, Masculine, Singular

Context: Y wybodaeth ddiweddaraf am y camau sydd wedi'u cymryd yn dilyn trychineb Tŵr Grenfell

Last updated: 9 August 2017

Welsh: Tŵr Gwylio Rhufeinig Caer y Twr

English: Caer y Twr Roman Watchtower

Status A

Subject: Estates and Cadw

Part of speech: Proper noun

Notes: Dyma'r ffurfiau a ddefnyddir yn swyddogol gan Cadw yn y ddwy iaith am yr heneb dan sylw. Safonwyd gan Banel Safoni Enwau Lleoedd Comisiynydd y Gymraeg, mewn ymgynghoriad â Cadw.

Last updated: 24 October 2024

Welsh: triagl

English: molasses

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 28 March 2018

Welsh: triathletwr

English: triathlete

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Last updated: 8 November 2004

Welsh: Tribal

English: Tribal

Status C

Subject: Education

Part of speech: Neutral

Definition: Enw cwmni meincnodi addysg.

Last updated: 10 March 2009

Welsh: tribiwnlys achos

English: case tribunal

Status C

Subject: Local government

Part of speech: Noun, Masculine, Singular

Last updated: 30 November 2007

Welsh: tribiwnlys achos interim

English: interim case tribunal

Status C

Subject: Local government

Part of speech: Noun, Masculine, Singular

Last updated: 30 November 2007

Welsh: Tribiwnlys Addysg Cymru

English: Education Tribunal for Wales

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Last updated: 21 July 2022

Welsh: Tribiwnlys Adolygu Iechyd Meddwl

English: Mental Health Review Tribunal

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: MHRT

Last updated: 15 March 2004

Welsh: Tribiwnlys Adolygu Iechyd Meddwl

English: MHRT

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: Mental Health Review Tribunal

Last updated: 15 March 2004

Welsh: Tribiwnlys Adolygu Iechyd Meddwl Cymru

English: Mental Health Review Tribunal for Wales

Status A

Subject: Health

Part of speech: Proper noun, Masculine, Singular

Last updated: 22 May 2003

Welsh: Tribiwnlys Anghenion Addysgol Arbennig ac Anabledd

English: Special Educational Needs and Disability Tribunal

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: SENDIST

Notes: Gweler yr erthygl ar y Model Cymdeithasol o Anabledd yn yr Arddulliadur. Yn unol â'r Model, mae amhariad ("impairment", a elwid yn "nam" o'r blaen) yn nodwedd ar berson, a all effeithio ar ei ymddangosiad neu ar sut y mae ei gorff neu ei feddwl yn gweithio; caiff pobl anabl (y gellir hefyd cyfeirio atynt fel "pobl anabledig" neu "bobl sy'n cael eu hanablu") eu hanablu gan ffactorau allanol fel yr amgylchedd, polisi neu arferion, neu yn sgil methiant i ddarparu addasiadau ar eu cyfer; ac anabledd yw canlyniad anablu pobl sydd ag amhariadau.

Last updated: 17 November 2023

Welsh: Tribiwnlys Anghenion Addysgol Arbennig (a sefydlwyd o dan adran 177 o Ddeddf Addysg 1993)

English: Special Educational Needs Tribunal (established under section 177 of the Education Act 1993)

Status B

Subject: Education

Part of speech: Noun, Masculine, Singular

Last updated: 22 May 2003

Welsh: Tribiwnlys Anghenion Addysgol Arbennig Cymru

English: SEN Tribunal for Wales

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: SEN = Special Educational Needs

Last updated: 5 March 2003

Welsh: Tribiwnlys Anghenion Addysgol Arbennig Cymru

English: Special Educational Needs Tribunal for Wales

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: SENTW

Last updated: 17 March 2003

Welsh: tribiwnlys apêl

English: appeal tribunal

Status B

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Plural: tribiwnlysoedd apêl

Last updated: 20 February 2025

Welsh: Tribiwnlys Apêl Arolygwyr Addysg Feithrin Cofrestredig

English: Registered Nursery Education Inspectors Appeal Tribunal

Status B

Subject: Education

Part of speech: Noun, Masculine, Singular

Last updated: 20 February 2025

Welsh: Tribiwnlys Apêl Arolygwyr Ysgolion Cofrestredig

English: Registered Inspectors of Schools Appeals Tribunal

Status B

Subject: Education

Part of speech: Noun, Masculine, Singular

Last updated: 20 February 2025

Welsh: Tribiwnlys ar gyfer Amddiffyn Plant ac Oedolion Hyglwyf a Safonau Gofal

English: Tribunal for the Protection of Children and Vulnerable Adults and Care Standards

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 17 May 2011

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