TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: deunyddiau cyfansawdd ffeibr carbon
English: carbon fibre composites
Status A
Subject: Environment
Part of speech: Noun, Plural
Last updated: 8 December 2010
Welsh: deunyddiau dodrefnu meddal
English: soft furnishings
Status B
Subject: General
Part of speech: Noun, Plural
Context: Tecstilau nad ydynt yn ddillad gan gynnwys carpedi a theils carped, tecstilau hamdden (fel pebyll a tharpolinau), matresi, rygiau, deunyddiau dodrefnu meddal (fel llenni, cynfasau gwely, blancedi, dwfes, clustogau, tyweli), isgarped
Last updated: 10 April 2024
Welsh: deunyddiau glanhau
English: cleaning materials
Status B
Subject: Health
Part of speech: Noun, Plural
Context: Er enghraifft, y math o arwyneb y mae’r feirws arno, tymheredd a lleithder yr amgylchedd, a’r defnydd o ddeunyddiau glanhau.
Last updated: 14 May 2020
Welsh: Deunyddiau Marchnata Band Eang Cymru
English: Broadband Wales Marketing Materials
Status C
Subject: ICT
Part of speech: Noun, Plural
Definition: Teitl hypergyswllt Band Eang.
Last updated: 22 February 2006
Welsh: deunyddiau pecynwaith
English: packaging materials
Status B
Subject: Economic development
Part of speech: Noun, Plural
Definition: Y gwahanol ddeunyddiau a geir yn yr hyn a ddefnyddir ar gyfer pecynnu nwyddau at ddiben eu gwerthu neu eu cludo. Er enghraifft gellid pecynnu nwydd mewn blwch cardfwrdd â ffenestr blastig, sy'n cynnwys darnau o bolystyren, bag cotwm i ddal ategion, a gwifren. Yn yr achos hwnnw, byddai'r deunyddiau pecynwaith yn cynnwys cardfwrdd, plastig, polystyren, cotwm a metel.
Notes: Gweler hefyd y cofnod am packaging / pecynwaith.
Last updated: 22 December 2022
Welsh: Deunyddiau'r stafell ddosbarth: pennu anghenion - gwahoddiad i anfon sylwadau a syniadau
English: Classroom materials: identifying needs - invitation to send comments and ideas
Status C
Subject: Education
Part of speech: Noun, Plural
Last updated: 7 February 2008
Welsh: deunyddiau traul
English: consumables
Status B
Subject: ICT
Part of speech: Noun, Plural
Last updated: 1 June 2023
Welsh: deunyddiau traul cyfrifiaduron
English: computer consumables
Status C
Subject: ICT
Part of speech: Noun, Plural
Last updated: 1 June 2023
Welsh: deunyddiau y gellir eu hailgylchu
English: recyclables
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 31 March 2009
Welsh: deunydd insiwleiddio
English: insulation
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: deunyddiau insiwleiddio
Context: Mae'r ffenestri, y drysau a deunydd inswleiddio'r atig wedi'u huwchraddio ond mae'r cartref yn dal i gael ei wresogi gan foeler nwy.
Last updated: 13 February 2025
Welsh: deunydd inswleiddio gronynnog heb ei lanw'n dynn
English: loose-fill insulation
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: such as cork granules or mineral wool
Last updated: 26 January 2009
Welsh: deunydd inswleiddio system gwres canolog
English: central heating system insulation
Status C
Subject: Housing
Part of speech: Noun, Masculine, Singular
Last updated: 11 July 2008
Welsh: deunydd lagio pibellau
English: pipe lagging
Status C
Subject: Housing
Part of speech: Noun, Masculine, Singular
Last updated: 11 July 2008
Welsh: deunydd lapio silwair
English: silage wrap
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 5 February 2004
Welsh: deunydd llawr meddal
English: soft flooring
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2005
Welsh: deunydd lled-hylifol
English: semi-liquid matter
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 17 July 2012
Welsh: deunydd llenwi
English: filler material
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: deunyddiau llenwi
Context: Y cyngor diweddaraf yw y dylai'r deunydd llenwi mewn cladin ACM fod o fath a fyddai'n bodloni gofynion hylosgedd cyfyngedig canllawiau Rheoliadau Adeiladu cyfredol.
Last updated: 9 August 2017
Welsh: deunydd lluosogi
English: propagating material
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: deunyddiau lluosogi
Context: Ystyr "deunyddiau lluosogi" yw hadau, rhannau o blanhigion a phob deunydd planhigion, gan gynnwys gwreiddgyffion, a fwriedir ar gyfer lluosogi a chynhyrchu planhigion ffrwythau.
Last updated: 5 July 2017
Welsh: deunydd lluosogi llystyfol
English: vegetative propagating material
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: deunyddiau lluosogi llystyfol
Last updated: 1 December 2022
Welsh: deunydd meddal i gryfhau glan afon
English: soft revetment
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 17 October 2005
Welsh: deunydd monolithig
English: monolithic material
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 13 May 2004
Welsh: deunydd nythu
English: nesting material
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 10 October 2007
Welsh: deunydd olrhain
English: tracer
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 22 January 2013
Welsh: deunydd organig
English: organic matter
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 2 December 2004
Welsh: deunydd organig swmpus
English: bulky organic matter
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 14 April 2004
Welsh: Deunydd Pacio Argraffu ac Wedi'i Argraffu
English: Print and Printed Packaging
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Context: Apprenticeship learning pathway.
Last updated: 31 October 2012
Welsh: deunydd pacio byrddau ffeibr
English: fibreboard packaging
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 11 September 2007
Welsh: deunydd pacio untro
English: disposable packaging
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 3 October 2006
Welsh: deunydd perthnasol
English: relevant material
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 25 January 2011
Welsh: deunydd planhigion neu anifeiliaid byw neu a oedd yn fyw tan yn ddiweddar
English: living or recently living plant or animal matter
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Y deunydd neu’r biomas a ddefnyddir i gynhyrchu ynni biolegol.
Last updated: 21 November 2011
Welsh: deunydd plastig untro
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