TermCymru

Results are displayed in English alphabetical order A-Z
English: Decade of Indigenous Languages
Welsh: Degawd Ieithoedd Brodorol
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last Updated: 12 August 2021
English: decapitalisation rate
Welsh: cyfradd ddatgyfalafu
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Last Updated: 23 July 2003
English: de-capped broodless combs
Welsh: diliau heb epil a’u capanau wedi’u tynnu
Status C
Subject: Law
Part of speech: Noun, Plural
Last Updated: 25 March 2004
English: decarbonisation
Welsh: datgarboneiddio
Status B
Subject: Environment
Part of speech: Verb
Definition: Y broses o leihau neu ddileu allyriadau nwyon tŷ gwydr o'n gweithgareddau, i greu economi carbon isel.
Last Updated: 10 February 2022
English: decarbonisation
Welsh: datgarboneiddio
Status B
Subject: Environment
Part of speech: Verb
Context: Y nod yw cysylltu gwelliant mewn ansawdd aer â datgarboneiddio drwy leihau allyriadau o amaethyddiaeth; adeiladau; diwydiant; y sector nwyon wedi'u fflworeiddio; y sector pŵer; gwastraff; a thrafnidiaeth.
Last Updated: 16 September 2024
English: decarbonisation action plan
Welsh: cynllun gweithredu datgarboneiddio
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: cynlluniau gweithredu datgarboneiddio
Last Updated: 6 July 2023
English: Decarbonisation Evidence Advisor
Welsh: Cynghorydd ar Dystiolaeth ynghylch Datgarboneiddio
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Notes: Teitl swydd yn Adran yr Amgylchedd. Ychwanegwyd y cofnod hwn Mai 2017.
Last Updated: 11 May 2017
English: Decarbonisation of Homes Implementation Group
Welsh: Grŵp Gweithredu Datgarboneiddio Cartrefi
Status A
Subject: Housing
Part of speech: Noun, Masculine, Singular
Notes: Defnyddir yr acronym 'DIG' ar gyfer y grŵp hwn
Last Updated: 3 May 2024
English: decarbonisation pathway
Welsh: llwybr datgarboneiddio
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: llwybrau datgarboneiddio
Definition: Llwybr wedi'i fodelu sy'n dangos sut mae gostyngiadau mewn allyriadau yn cael eu dosbarthu dros amser, ac ar draws sectorau, i gyflawni'r targed o ostyngiad o 80% o leiaf yn y flwyddyn 2050.
Notes: Yng nghyd-destun y ddogfen Cymru Sero Net.
Last Updated: 10 February 2022
English: Decarbonisation Support Programme
Welsh: Rhaglen Gefnogaeth Datgarboneiddio
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Notes: Rhaglen a gynhelir gan Gymdeithas Llywodraeth Leol Cymru.
Last Updated: 25 March 2021
English: decay chain
Welsh: cadwyn ddadfeiliad
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: cadwyni dadfeiliad
Definition: Y gyfres o atomau y bydd atom ansefydlog yn newid iddynt yn eu tro, gan allyrru gronynnau alffa, beta a/neu gama wrth wneud hynny.
Notes: Yng nghyd-destun ymbelydredd.
Last Updated: 23 March 2021
English: DECC
Welsh: Yr Adran Ynni a Newid Hinsawdd
Status C
Subject: Politics
Part of speech: Noun, Feminine, Singular
Definition: Department of Energy and Climate Change. (Westminster)
Last Updated: 9 December 2008
English: deceased
Welsh: ymadawedig
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 6 August 2012
English: deceased person
Welsh: person ymadawedig
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: pobl ymadawedig
Last Updated: 28 April 2020
English: deceit
Welsh: ystryw
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: ystrywiau
Definition: A tort that is committed when someone knowingly or recklessly makes a false statement of fact intending that it should be acted on by someone else, and that person does act on the false statement and thereby suffers damage.
Last Updated: 19 December 2024
English: Decent Homes Standard
Welsh: Y Safon Cartrefi Gweddus
Status B
Subject: Housing
Part of speech: Noun, Feminine, Singular
Definition: Cynllun yn Lloegr sy'n cyfateb i Safon Ansawdd Tai Cymru (SATC) yng Nghymru.
Notes: Safon ansawdd sy’n berthnasol i dai cymdeithasol yn Lloegr a Gogledd Iwerddon.
Last Updated: 20 September 2024
English: decent living standard
Welsh: safon byw gweddus
Status C
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Last Updated: 15 July 2014
English: decentralisation policy
Welsh: polisi datganoli
Status C
Subject: Politics
Part of speech: Noun, Masculine, Singular
Last Updated: 4 January 2005
English: decent work
Welsh: gwaith teilwng
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Agenda a gychwynnwyd gan Sefydliad Llafur y Byd (rhan o'r Cenhedloedd Unedig) yn seiliedig ar bedwar piler: creu gwaith, hawliau yn y gweithle, amddiffyniad cymdeithasol, a deialog gymdeithasol, gydag amcan trawsbynciol o sicrhau cydraddoldeb rhwng y rhywiau. Mae'r cysyniad bellach yn rhan o agenda'r Cenhedloedd Unedig ar gyfer datblygu cynaliadwy ac mae nod datblygu cynaliadwy penodol ar ei gyfer.
Context: Er enghraifft, rydym yn adrodd mewn man arall ar tueddiadau cenedlaethol mewn materion fel tlodi, anghydraddoldebau a gwaith addas.
Last Updated: 25 July 2019
English: Decent work and economic growth
Welsh: Gwaith teilwng a thwf economaidd
Status B
Subject: Justice and order
Part of speech: Neutral
Notes: Un o Nodau Datblygu Cynaliadwy y Cenhedloedd Unedig
Last Updated: 25 July 2019
English: deception
Welsh: dichell
Status C
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: dichellion
Definition: A false representation, by words or conduct, of a matter of fact or law that is made deliberately or recklessly to another person. Deception itself is not a crime, but there are six imprisonable crimes in which deception are involved.
Last Updated: 17 December 2024
English: deceptive
Welsh: dichellus
Status C
Subject: Religion
Part of speech: Adjective
Definition: O ran gweithred, ee datganiad dichellus.
Last Updated: 18 January 2005
English: deceptive
Welsh: dichellgar
Status C
Subject: Law
Part of speech: Adjective
Definition: O ran person, ee cael eiddo drwy ddichell.
Last Updated: 18 January 2005
English: dechlorane plus
Welsh: decloran plws
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Cyfansoddyn a ddefnyddir fel arafydd tân. Mae’n llygrydd organig parhaus.
Last Updated: 11 March 2025
English: dechlorination
Welsh: datglorineiddio
Status C
Subject: Environment
Part of speech: Verb
Last Updated: 20 May 2005
English: decibel
Welsh: desibel
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: mesur sain
Last Updated: 20 October 2008
English: decide on (something)
Welsh: penderfynu ar (rywbeth)
Status C
Subject: Law
Part of speech: Verb
Last Updated: 16 February 2005
English: Deciding what's right: humanity in the wake of turbulence
Welsh: Penderfynu beth sy'n iawn: dyngarwch wedi terfysg
Status C
Subject: Personnel
Part of speech: Verb
Context: Darlith flynyddol 2009, Rheoli yng Ngwasanaeth Cyhoeddus Cymru
Last Updated: 27 January 2010
English: deciduous
Welsh: collddail
Status C
Subject: Environment
Part of speech: Adjective
Last Updated: 31 December 2008
English: deciduous oak
Welsh: derwen gollddail
Status A
Subject: Plants
Part of speech: Noun, Feminine, Singular
Definition: Term ymbarel am unrhyw rywogaeth o goed derw sy'n colli ei dail, gan gynnwys y ddwy rywogaeth fwyaf cyffredin yng Nghymru sef y dderwen mes goesynnog (pedunculate oak) a'r dderwen mes di-goes (sessile oak).
Last Updated: 19 August 2025
English: deciduous tooth
Welsh: dant cyntaf
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: dannedd cyntaf
Last Updated: 2 April 2020
English: decile
Welsh: degradd
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Unrhyw un o'r is-setiau data o set o ddata a rannwyd yn 10 is-set ag iddynt amledd cyfartal.
Context: Yn ôl dadansoddiad mwy diweddar gan y Swyddfa Ystadegau Gwladol 37 , mae'r bwlch rhwng y mwyaf a'r lleiaf difreintiedig (gan ddefnyddio degraddau amddifadedd yn hytrach na phumedau) wedi parhau'n gymharol gyson dros y blynyddoedd diwethaf.
Last Updated: 25 July 2019
English: decimal
Welsh: degol
Status B
Subject: ICT
Part of speech: Adjective
Last Updated: 19 July 2005
English: decimal fraction
Welsh: ffracsiwn degol
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 17 May 2011
English: decimal notation
Welsh: nodiant degol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: decimal tab
Welsh: tab degol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: decinormal
Welsh: decinormal
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: One‐tenth normal; i.e. denoting a solution of concentration 0.1 equivalents per litre.
Last Updated: 18 October 2016
English: DECIPHer
Welsh: DECIPHer
Status A
Subject: Health
Part of speech: Proper noun
Definition: Centre for the Development and Evaluation of Complex Interventions for Public Health Improvement. A consortium between the universities of Cardiff, Bristol and Swansea.
Notes: Dyma’r enw brand a ddefnyddir yn y ddwy iaith ar y Centre for Development, Evaluation, Complexity and Implementation in Public Health Improvement / y Ganolfan Gwerthuso a Datblygu Ymyriadau Cymhleth er mwyn Gwella Iechyd y Cyhoedd.
Last Updated: 6 July 2021
English: DECIPHer
Welsh: DECIPHer
Status A
Subject: Health
Part of speech: Proper noun
Notes: Dyma’r enwau brand ar Y Ganolfan Gwerthuso a Datblygu Ymyriadau Cymhleth er mwyn Gwella Iechyd y Cyhoedd / Centre for Development, Evaluation, Complexity and Implementation in Public Health Improvement.
Last Updated: 8 July 2021
English: decisional capacity
Welsh: galluedd penderfyniadol
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Y galluedd meddyliol i wneud penderfyniad.
Last Updated: 18 May 2023
English: decision document
Welsh: dogfen penderfyniad
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: dogfennau penderfyniadau
Definition: Yn achos rhoi cydsyniad seilwaith, y gorchymyn cydsynio seilwaith ei hun neu'r ddogfen sy'n cofnodi y gwrthodwyd cydsyniad.
Last Updated: 23 February 2026
English: decision letter
Welsh: llythyr penderfyniad
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 25 January 2007
English: decision maker
Welsh: penderfynwr
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last Updated: 8 December 2004
English: decision-making framework
Welsh: fframwaith penderfynu
Status A
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last Updated: 29 January 2013
English: decision making functions
Welsh: swyddogaethau penderfynu
Status C
Subject: Law
Part of speech: Noun, Plural
Last Updated: 2 November 2010
English: Decision-making Officer
Welsh: Swyddog Penderfynu
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Notes: Rôl ym mhrosesau mewnol Llywodraeth Cymru ar gyfer ymdrin â chwynion ac ati. Penodir swyddog o’r fath ar gyfer pob achos yn unigol.
Last Updated: 11 July 2016
English: decision-making process
Welsh: y broses o wneud penderfyniadau
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last Updated: 3 October 2003
English: decision notice
Welsh: hysbysiad penderfynu
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: hysbysiadau penderfynu
Last Updated: 30 April 2024
English: decision paralysis
Welsh: parlys penderfynu
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Sefyllfa pan fydd unigolyn yn cael ei orlethu gan nifer yr opsiynau sydd ar gael neu oblygiadau posibl y dewis. Gall hyn arwain at gyflwr o ddiffyg gweithredu neu o gnoi cil am gyfnod estynedig, a hynny yn aml yn achosi trallod ac yn effeithio ar y gallu i weithredu o ddydd i ddydd.
Last Updated: 10 October 2024
English: decision report
Welsh: adroddiad ar benderfyniad
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last Updated: 17 March 2004