TermCymru

Results are displayed in Welsh alphabetical order A-Y

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: ambigender

Status A

Subject: General

Part of speech: Adjective, Plural

Definition: Hunaniaeth rhywedd statig lle profir dau rywedd ar yr un pryd, heb ddim hylifedd na symud rhyngddynt.

Last updated: 11 April 2024

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