TermCymru

Results are displayed in Welsh alphabetical order A-Y

English: disposable plastic

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Applied to an article designed to be thrown away after one use

Context: A tax on disposable plastic to meet environmental objectives: exploring options for a tax or levy on disposable plastic to help the Welsh Government to achieve its waste reduction and recycling targets.

Last updated: 21 February 2018

Welsh: deunydd rhywiol-awgrymog

English: sexually suggestive material

Status B

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Last updated: 30 August 2012

Welsh: deunydd risg penodedig

English: specified risk material

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: SRM

Last updated: 3 October 2003

Welsh: deunydd sych

English: DM

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: dry matter

Last updated: 17 October 2005

Welsh: deunydd sych

English: dry matter

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: DM

Last updated: 17 October 2005

Welsh: deunydd tarddiadol

English: originating material

Status A

Subject: Economic development

Part of speech: Noun, Masculine, Singular

Plural: deunyddiau tarddiadol

Definition: Deunydd sy'n tarddu o'r un wlad a'r wlad lle mae'r deunydd hwnnw yn cael ei ddefnyddio mewn proses gynhyrchu.

Last updated: 10 June 2021

Welsh: Deunydd Ymbelydrol Naturiol

English: Naturally Occurring Radioactive Material

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: NORM

Last updated: 5 February 2014

Welsh: Deunydd Ymbelydrol Naturiol

English: NORM

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Naturally Occurring Radioactive Material

Last updated: 5 February 2014

Welsh: deuocsin

English: dioxin

Status B

Subject: Food

Part of speech: Noun, Masculine, Singular

Definition: A toxic poison found in certain weedkillers and bleaching agents.

Last updated: 2 February 2009

Welsh: deuod

English: diode

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: deuod allyrru golau

English: LED

Status B

Subject: Economic development

Part of speech: Noun, Masculine, Singular

Plural: deuodau allyrru golau

Notes: Dyma'r acronym Saesneg a ddefnyddir am light emitting diode.

Last updated: 24 April 2025

Welsh: deuod allyrru golau

English: light emitting diode

Status B

Subject: Economic development

Part of speech: Noun, Masculine, Singular

Plural: deuodau allyrru golau

Last updated: 24 April 2025

Welsh: deuoecaidd

English: dioecious

Status C

Subject: Environment

Part of speech: Adjective

Definition: Rhywogaeth â blodau'r gwryw a blodau'r fenyw ar yr un planhigion.

Last updated: 14 August 2003

Welsh: deuol

English: dual

Status B

Subject: ICT

Part of speech: Adjective

Last updated: 19 July 2005

Welsh: deuryweddol

English: bigender

Status B

Subject: General

Part of speech: Adjective

Definition: Disgrifiad o hunaniaeth rhywedd lle mae unigolyn yn profi dau rywedd. Gall fod yn profi’r rhyweddau hynny yn gydamserol (ee bod yr unigolyn yn wryw ac yn fenyw yr un pryd), neu gall fod yn eu profi ar adegau gwahanol.

Last updated: 14 May 2026

Welsh: deurywiol

English: bisexual

Status B

Subject: General

Part of speech: Adjective

Last updated: 11 April 2024

Welsh: deuwron

English: diuron

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 1 November 2010

Welsh: Devauden

English: Devauden

Status A

Subject: Place-names

Part of speech: Proper noun

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

Last updated: 17 August 2022

Welsh: Dewch Allan

English: Come Outside

Status A

Subject: Environment

Part of speech: Verb

Definition: Prosiect peilot Cyngor Cefn Gwlad Cymru.

Last updated: 18 June 2007

Welsh: Dewch Allan i Chwarae

English: Come Out and Play

Status A

Subject: Personnel

Part of speech: Neutral

Definition: Title of LGBT Exellence Centre's 2011 conference.

Last updated: 15 August 2011

Welsh: Dewch, dîm gorau'r byd!

English: Come on Our Greatest Team

Status A

Subject: Tourism and leisure

Part of speech: Proper noun

Context: Slogan i'r Gemau Olympaidd.

Last updated: 21 October 2014

Welsh: Dewch Gymru'n Lân

English: Come Clean

Status C

Subject: Health

Part of speech: Verb

Definition: Dogfen y Cynulliad, 2003

Last updated: 12 August 2004

Welsh: Dewch i Drafod…

English: Let’s Talk…

Status A

Subject: Personnel

Part of speech: Proper noun

Notes: Menter fewnol yn Llywodraeth Cymru

Last updated: 4 June 2018

Welsh: Dewch i Feddwl

English: Let's Think

Status C

Subject: Education

Part of speech: Verb

Definition: Cynllun gan Gyngor Sir Ceredigion o dan y cynllun Sgiliau Meddwl.

Last updated: 3 September 2003

Welsh: Dewch i Feddwl Trwy Wyddoniaeth

English: Let's Think Through Science

Status C

Subject: Education

Part of speech: Verb

Definition: Cynllun gan Gyngor Sir Ceredigion o dan y cynllun Sgiliau Meddwl.

Last updated: 3 September 2003

Welsh: Dewch i Gerdded Cymru

English: Let's Walk Cymru

Status C

Subject: Tourism and leisure

Part of speech: Neutral

Last updated: 10 March 2009

Welsh: Dewch i ymuno â thîm sy'n llwyddo

English: Be part of a winning team

Status C

Subject: Economic development

Part of speech: Verb

Definition: WalesTrade International slogan.

Last updated: 29 November 2005

Welsh: Dewi

English: Dewi

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

Welsh: dewin

English: wizard

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: dewin adroddiadau

English: report wizard

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: dewin delwedd

English: spin doctor

Status A

Subject: Local government

Part of speech: Noun, Masculine, Singular

Last updated: 7 October 2002

Welsh: dewin gosod

English: installation wizard

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: dewis

English: option

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: dewis

English: select

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis

English: preference

Status B

Subject: Local government

Part of speech: Noun, Masculine, Singular

Notes: Yng nghyd-destun nodi pa ymgeisydd y mae etholwyr yn ei ffafrio.

Last updated: 10 October 2018

Welsh: dewis a dethol

English: cherry-picking

Status B

Subject: Personnel

Part of speech: Verb

Definition: Weithiau bydd angen ychwanegu ‘y gorau’ neu ‘y goreuon’.

Last updated: 25 November 2004

Welsh: Dewis Amgylcheddol Ymarferol Gorau

English: Best Practicable Environmental Option

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: BPEO

Last updated: 19 May 2005

Welsh: Dewis Amgylcheddol Ymarferol Gorau

English: BPEO

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Best Practicable Environmental Option

Last updated: 19 May 2005

Welsh: Dewis Arall yn Lle Derbyn

English: Alternative to Admission

Status B

Subject: Social services

Part of speech: Noun, Masculine, Singular

Definition: Cynllun neu fenter sy’n darparu cefnogaeth i bobl ifanc sydd mewn perygl o brofi argyfwng iechyd meddwl, gyda’r nod o osgoi eu derbyn i’r ysbyty.

Last updated: 13 November 2025

Welsh: dewis ardal data

English: select data area

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis arddull

English: select style

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis arddull botwm

English: select button style

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis arddulliau celloedd

English: select cell styles

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: Dewis a Sefydlogrwydd: Datblygu Ystod o Leoliadau o Safon ar gyfer Plant sy'n Derbyn Gofal a Phobl Ifanc yng Nghymru

English: Choice and Stability: Developing a Range of Quality Placements for Looked After Children and Young People in Wales

Status C

Subject: Social services

Part of speech: Verb

Definition: Dogfen y Cynulliad 2004

Last updated: 12 August 2004

Welsh: dewis awtodestun

English: select autotext

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis awtogynllun

English: select an autolayout

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis celloedd arian

English: select currency cells

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis chwith

English: select left

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis colofn

English: select column

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dewis cyfeiriadur

English: select directory

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

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