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TermCymru

24 results
Results are displayed in Welsh alphabetical order A-Y
English: substantive reply
Status C
Subject: Committees
Part of speech: Noun, Masculine, Singular
Last updated: 16 November 2005
English: substantive law
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Last updated: 20 October 2011
English: substantive provision
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: darpariaethau o sylwedd
Context: Mae’r Bil hefyd yn gwneud nifer o fân ddiwygiadau a diwygiadau canlyniadol i adran 30 o ganlyniad i’r darpariaethau o sylwedd.
Last updated: 5 December 2022
English: from idea stage to delivery
Status C
Subject: Personnel
Part of speech: Preposition
Last updated: 6 July 2005
English: main substance of misuse
Status C
Subject: Health
Part of speech: Adjective
Last updated: 17 May 2007
Welsh: sylwedd
English: substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau
Definition: Yn gyffredinol ym maes gwyddoniaeth, unrhyw fater sydd â màs ac sy'n cymryd gofod. Yn benodol ym maes cemeg, unrhyw ddeunydd ac iddo gyfansoddiad cemegol penodol.
Notes: Yn ogystal â'r defnydd gwyddonol, gellir defnyddio'r gair 'substance'/'sylwedd' i gyfeirio at bethau fel alcohol a chyffuriau, a gellir ei ddefnyddio i gyfeirio'n drosiadol i sôn am y prif beth y cyfansoddir rhywbeth ohono (ee 'sylwedd y ddadl').
Last updated: 16 September 2024
English: volatile substance
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 27 January 2004
English: poisoned substance
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: sylweddau a wenwynwyd
Last updated: 21 July 2022
English: carcinogenic substance
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 1 September 2010
English: flavouring substance
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Plural: sylweddau cyflasu
Last updated: 17 April 2024
English: gelling agent
Status A
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 8 March 2012
English: flavour enhancer
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 31 January 2012
English: digestibility enhancer
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: sylweddau gwella treuliadwyedd
Context: Mae’r paratoad a bennir yn y tabl, sy’n perthyn i’r categori ychwanegion “ychwanegion sootechnegol” ac i’r grŵp gweithredol “sylweddau gwella treuliadwyedd”, wedi ei awdurdodi fel ychwanegyn mewn maeth anifeiliaid yn ddarostyngedig i’r amodau a nodir yn y tabl.
Notes: Daw'r testun cyd-destunol o Reoliadau Ychwanegion Bwyd Anifeiliaid (Awdurdodiadau) (Cymru) 2022.
Last updated: 10 December 2024
English: poisonous substance
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: sylweddau gwenwynig
Last updated: 21 July 2022
English: stupefeying substance
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: sylweddau llesgáu
Definition: Sylwedd a roddir i anifail er mwyn amharu ar lefel ei ymwybyddiaeth a peri iddo golli'r gallu i ymateb i stimwli.
Last updated: 21 July 2022
English: polluting substance
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2004
English: perfluoroalkyl substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau perfflworoalcyl
Last updated: 8 September 2025
English: hazardous and noxious substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau peryglus a darniweidiol
Definition: Sylwedd heblaw olew sy’n debygol, os cyflwynir ef i’r amgylchedd forol, o beryglu iechyd dynol, niweidio adnoddau byw a bywyd morol, difrodi amwynderau neu ymyrryd â defnydd cyfreithlon arall o’r môr.
Notes: Yng nghyd-destun y Protocol ar Fod yn Barod am Ddigwyddiadau Llygru gan Sylweddau Peryglus a Darniweidiol, Ymateb Iddynt a Chydweithredu mewn Perthynas â Hwy.
Last updated: 15 June 2023
English: polyfluoroalkyl substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau polyfflworoalcyl
Last updated: 8 September 2025
English: listed substance
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 2 December 2004
English: Substances of Very High Concern
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: Sylweddau sy’n Peri Pryder Mawr Iawn
Definition: Categori sy'n pennu bod sylwedd yn dod o fewn cwmpas y ddeddfwriaeth REACH.
Last updated: 27 June 2019
English: phase-in substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau'r gyfundrefn drosiannol
Notes: Categori o sylweddau a reolir o dan y Rheoliadau REACH. Mae'n bosibl y byddai "un o sylweddau'r gyfundrefn drosiannol" yn gweithio'n well mewn rhai cyd-destunau lle mae angen y ffurf unigol.
Last updated: 1 July 2021
English: radioactive substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau ymbelydrol
Last updated: 23 March 2021
English: substantive response
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 25 March 2010