TermCymru

Results are displayed in Welsh alphabetical order A-Y

English: bivalent

Status B

Subject: Health

Part of speech: Adjective

Definition: Yng nghyd-destun brechlynnau, brechlyn sy’n gweithio drwy ennyn ymateb imiwnyddol i ddau feirws gwahanol, dau straen gwahanol o un feirws, dwy feicro-organeb wahanol etc.

Notes: Cymharer â’r ffurfiau ‘monovalent’, ‘trivalent’.

Last updated: 1 September 2022

Welsh: deuffenylether wedi'i frominadu (pentaBDE yn unig)

English: brominated diphenylether (pentaBDE only)

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 1 November 2010

Welsh: deuffobia

English: biphobia

Status B

Subject: General

Part of speech: Adjective

Last updated: 8 December 2022

Welsh: deuffobig

English: biphobic

Status B

Subject: General

Part of speech: Adjective

Last updated: 8 December 2022

Welsh: deuffocal

English: bifocal

Status B

Subject: Health

Part of speech: Adjective

Notes: Yng nghyd-destun lensys.

Last updated: 8 December 2022

Welsh: deuffosffonad

English: biphosphonate

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: deuffosffonadau

Last updated: 6 November 2019

Welsh: deugarnolion

English: biungulates

Status C

Subject: Agriculture

Part of speech: Noun, Plural

Definition: Anifeiliaid carnau hollt.

Last updated: 10 October 2007

Welsh: deunydd a garthwyd

English: dredged material

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: deunyddiau a garthwyd

Last updated: 23 March 2021

Welsh: deunydd amlddeunydd amlhaen

English: multi-material multi-layer material

Status B

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 25 July 2012

Welsh: deunydd amlhaen

English: multi-layer material

Status B

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 25 July 2012

Welsh: deunydd anifeiliaid

English: animal material

Status B

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: esgyrn etc.

Last updated: 30 July 2003

Welsh: deunydd annharddiadol

English: non-originating material

Status A

Subject: Economic development

Part of speech: Noun, Masculine, Singular

Plural: deunyddiau annharddiadol

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

Last updated: 10 June 2021

Welsh: deunydd araenu

English: coating material

Status B

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 25 July 2012

Welsh: Deunydd Asesu'r Cyfnod Sylfaen: Canlyniadau asesu ar gyfer Datblygiad Personol a Chymdeithasol a Lles, Sgiliau Iaith, Llythrennedd a Chyfathrebu, Datblygiad Mathemategol

English: Foundation Phase Assessment Material: Assessment outcomes for Personal and Social Development and Well-being, Language, Literacy and Communication Skills, Mathematical Development

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: deunydd bwyd anifeiliaid

English: feed material

Status A

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Plural: deunyddiau bwyd anifeiliaid

Definition: deunydd sy'n dod o lysiau, anifeiliaid neu sylwedd anorganig a ddefnyddir i fwydo anifeiliaid

Context: ystyr “deunydd bwyd anifeiliaid” (“feed material”) yw— (a) unrhyw gynnyrch sy'n deillio o lysiau neu o anifeiliaid, yn ei gyflwr gwreiddiol, yn ffres neu wedi ei gadw; (b) unrhyw gynnyrch sy'n deillio o gynnyrch o'r fath drwy brosesu diwydiannol; neu (c) unrhyw sylwedd organig neu anorganig, (p'un ai a yw'n cynnwys unrhyw ychwanegyn neu beidio) ac sydd i'w ddefnyddio ar gyfer bwydo anifeiliaid anwes neu anifeiliaid fferm drwy'r geg, yn uniongyrchol fel y mae, neu ar ôl ei brosesu, wrth baratoi bwyd anifeiliaid cyfansawdd neu fel cariwr rhag-gymysgedd;

Last updated: 8 July 2021

Welsh: deunydd carthu

English: dredgings

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 20 September 2005

Welsh: deunydd categori 1

English: category 1 material

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 19 April 2007

Welsh: deunydd compost

English: compostables

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 15 August 2024

Welsh: deunydd crai

English: raw material

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 29 July 2003

Welsh: deunydd creadigol

English: creative content

Status C

Subject: Culture and the arts

Part of speech: Noun, Masculine, Singular

Definition: Disgrifiad o gynhyrchion ar gyfer y cyfryngau creadigol digidol

Last updated: 2 August 2010

Welsh: Deunydd Cyfansawdd Alwminiwm

English: Aluminium Composite Material

Status B

Subject: Housing

Part of speech: Noun, Masculine, Singular

Context: Yng Nghymru ein blaenoriaeth gyntaf, fel yn Lloegr, oedd nodi adeiladau preswyl uchel iawn (dros 18 metr o uchder sy'n cyfateb yn fras i saith llawr), cadarnhau a yw cladin o'r math a ddefnyddiwyd ar Dŵr Grenfell (Deunydd Cyfansawdd Alwminiwm neu ACM), neu gladin sy'n debyg i ACM, yn cael ei ddefnyddio a sicrhau bod samplau, lle y bo'n briodol, yn cael eu hanfon er mwyn cynnal profion cychwynnol arnynt.

Notes: Math o gladin allanol ar gyfer waliau adeiladau. Defnyddir yr acronym ACM yn y ddwy iaith

Last updated: 9 August 2017

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Chwarae / Dysgu Gweithredol - Gorolwg (3-7 oed)

English: Foundation Phase Guidance Material: Play/Active Learning - An Overview (3-7 years)

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Datblygiad Corfforol

English: Foundation Phase Guidance Material: Physical Development

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Datblygiad Creadigol

English: Foundation Phase Guidance Material: Creative Development

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Datblygiad Mathemategol

English: Foundation Phase Guidance Material: Mathematical Development

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Datblygiad Personol a Chymdeithasol a Lles

English: Foundation Phase Guidance Material: Personal and Social Development and Well-being

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Dealltwriaeth Amlddiwylliannol

English: Foundation Phase Guidance Material: Multi-cultural Understanding

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Dwyieithrwydd

English: Foundation Phase Guidance Material: Bilingualism

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Gwybodaeth a Dealltwriaeth o'r Byd

English: Foundation Phase Guidance Material: Knowledge and Understanding of the World

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: Deunydd Cyfarwyddyd y Cyfnod Sylfaen: Sgiliau Iaith, Llythrennedd a Chyfathrebu

English: Foundation Phase Guidance Material: Language, Literacy and Communication Skills

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Dogfen ategol yng nghyd-destun y Cyfnod Sylfaen.

Last updated: 3 June 2008

Welsh: deunydd deallus

English: intelligent material

Status B

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 25 July 2012

Welsh: deunydd diwastraff

English: non-waste products

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 29 September 2009

Welsh: deunydd eilaidd

English: secondary materials

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: aggregates

Last updated: 29 July 2004

Welsh: deunydd eildro

English: recyclates

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: cynnyrch neu ddeunydd sydd wedi'i wneud o ddeunydd sydd wedi'i ailgylchu

Last updated: 22 July 2003

Welsh: deunydd eildro

English: recycled material

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 24 June 2003

Welsh: deunydd estron

English: foreign matter

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 28 February 2012

Welsh: deunydd ffynhonnell

English: source material

Status B

Subject: Food

Part of speech: Noun, Masculine, Singular

Plural: deunyddiau ffynhonnell

Context: Cyfyngiadau ar ddefnyddio cyflasynnau neu gynhwysion bwyd ac iddynt briodweddau cyflasyn a gynhyrchir o ddeunyddiau ffynhonnell penodol.

Last updated: 17 April 2024

Welsh: deunydd genetig

English: genetic material

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 6 July 2005

Welsh: deunydd glanhau

English: cleaning agent

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 19 April 2007

Welsh: deunydd gorchuddio

English: covering material

Status B

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 25 July 2012

Welsh: deunydd gorwedd

English: bedding (animal)

Status C

Subject: Agriculture

Last updated: 10 December 2010

Welsh: deunydd gronynnol

English: particulate matter

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Cymysgedd o ronynnau solet a defnynnau o hylif yn yr aer.

Last updated: 11 July 2019

Welsh: deunydd gronynnol

English: PM

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Notes: Dyma'r acronym Saesneg a ddefnyddir am particulate matter.

Last updated: 26 January 2023

Welsh: deunydd gronynnol cynradd

English: primary particle matter

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Notes: Caiff llygredd gronynnol ei gynhyrchu gan ffynonellau cynradd ac eilaidd. Caiff deunydd gronynnol cynradd ei allyrru'n uniongyrchol o safleoedd adeiladu, tanau gwyllt, llosgi coed, pyllau graean, gweithgaredd amaethyddol, a ffyrdd llychlyd. Caiff deunydd gronynnol eilaidd ei ffurfio yn yr atmosffer drwy adweithiau cemegol cymhleth.

Last updated: 16 September 2024

Welsh: deunydd gronynnol dan 10 micron

English: sub-10 micron particulate matter

Status C

Subject: General

Part of speech: Noun, Masculine, Singular

Last updated: 27 January 2010

Welsh: deunydd gronynnol eilaidd

English: secondary particle matter

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 16 September 2024

Welsh: deunydd hybu tyfiant

English: growth promoter

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 16 October 2009

Welsh: deunydd/hylif cadw

English: preservative

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 27 February 2006

Welsh: deunydd hylifol

English: liquid matter

Status B

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 17 July 2012

Welsh: deunydd hyrwyddo brand Cymru

English: Wales brand promotional material

Status C

Subject: Europe

Part of speech: Noun, Masculine, Singular

Last updated: 1 September 2010

TermCymru

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