TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: sirconiwm
English: zirconium
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Zr
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: Sir Ddinbych
English: Denbighshire
Status A
Subject: Local government
Part of speech: Noun, Feminine, Singular
Last updated: 25 June 2002
Welsh: Sir Drefaldwyn
English: Montgomeryshire
Status A
Subject: Place-names
Part of speech: Proper noun, Feminine, Singular
Last updated: 25 June 2002
Welsh: SIREN
English: SIREN
Status B
Subject: Health
Part of speech: Proper noun
Notes: Prosiect ymchwil COVID-19 sy'n cael ei harwain gan Public Health England.
Last updated: 16 July 2020
Welsh: Sir Fynwy
English: Monmouthshire
Status A
Subject: Local government
Part of speech: Noun, Feminine, Singular
Last updated: 25 June 2002
Welsh: Sir Gaerfyrddin
English: Carmarthenshire
Status A
Subject: Local government
Part of speech: Proper noun
Definition: ond "Cyngor Sir Caerfyrddin"
Last updated: 25 June 2002
Welsh: SirGâredig – Rhannu Caredigrwydd Sir Gâr
English: SirGâredig – Sharing Carmarthenshire’s Kindness  
Status A
Subject: Local government
Part of speech: Proper noun
Notes: Menter yn Sir Gaerfyrddin i hyrwyddo gwirfoddoli a hybu cydlyniant cymunedol yn ystod cyfnod COVID-19.
Last updated: 7 May 2020
Welsh: Sirhywi
English: Sirhowy
Status C
Subject: Place-names
Part of speech: Proper noun
Definition: Tredegar
Last updated: 10 July 2008
Welsh: Sirhywi
English: Sirhowy
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Blaenau Gwent. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Blaenau Gwent (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: siroedd di-glwy
English: FMD-free counties
Status B
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 30 July 2003
Welsh: siroedd y gororau
English: border counties
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 7 April 2009
Welsh: Sir Pen-y-bont Ynghyd: Canllaw i Drigolion
English: Bridgend County Together: A Residents' Guide
Status A
Subject: Local government
Part of speech: Proper noun
Definition: Document title.
Context: Noder bod "ar Ogwr" wedi'i hebgor.
Last updated: 12 May 2014
Welsh: Sir y Fflint
English: Flintshire
Status A
Subject: Local government
Part of speech: Noun, Feminine, Singular
Last updated: 25 June 2002
Welsh: si sicr
English: top tip
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Definition: tourism
Last updated: 29 March 2006
Welsh: Sisili
English: Sicily
Status B
Subject: Place-names
Part of speech: Proper noun
Last updated: 9 September 2003
Welsh: siwgr anghynhenid
English: extrinsic sugar
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 22 April 2009
Welsh: siwgr anghynhenid nad yw'n deillio o laeth
English: NMES
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Definition: non-milk extrinsic sugar
Last updated: 22 April 2009
Welsh: siwgr anghynhenid nad yw'n deillio o laeth
English: non-milk extrinsic sugar
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Definition: NMES
Last updated: 22 April 2009
Welsh: siwgr cynhenid
English: intrinsic sugar
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 22 April 2009
Welsh: siwgr gwaed
English: blood sugar
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2025
Welsh: siwgr mân
English: caster sugar
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 24 January 2012
Welsh: siwgro
English: sugaring
Status B
Subject: Health
Part of speech: Verb
Definition: Tynnu blew o'r croen drwy ddefnyddio cymysgedd trwchus o siwgr, dŵr a sudd lemon a gynhesir cyn ei roi ar y croen ar ôl oeri. Wrth ei dynnu oddi ar y corff, bydd yn tynnu'r blew gydag ef.
Last updated: 5 August 2020
Welsh: Siwgr, Paratoadau Siwgr a Mêl
English: Sugar, Sugar Preparations and Honey
Status B
Subject: Food
Part of speech: Proper noun
Notes: Categori cynnyrch yn y Dosbarthiad Safonol Masnach Ryngwladol (SITC).
Last updated: 7 May 2025
Welsh: siwgr wedi'i buro
English: refined sugar
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 8 March 2012
Welsh: siwgr wedi'i ychwanegu
English: added sugar
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Context: Nid 'Siwgr ychwanegol'.
Last updated: 19 January 2012
Welsh: siwrnai
English: journey
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: siwrneiau
Notes: Defnyddir "siwrnai" mewn cyd-destunau technegol ym maes trafnidiaeth gyhoeddus i wahaniaethu rhwng "journey" a "tour". Mewn cyd-destunau eraill, mae "taith" yn gwbl dderbyniol.
Last updated: 31 January 2025
Welsh: siwrnai teithiwr
English: passenger journey
Status A
Subject: Transport
Part of speech: Noun, Feminine, Singular
Plural: siwrneiau teithwyr
Context: Y pumed amcan yw hwyluso siwrneiau teithwyr sy’n golygu defnyddio mwy nag un gwasanaeth bysiau lleol.
Notes: Daw'r frawddeg gyd-destunol o Fil Gwasanaethau Bysiau (Cymru).
Last updated: 3 February 2025
Welsh: Siwrne Saff
English: Arrive Alive
Status A
Subject: Transport
Part of speech: Noun, Feminine, Singular
Definition: Cynllun gan Bartneriaeth Lleihau Anafiadau Ffyrdd Gogledd Cymru
Last updated: 14 January 2003
Welsh: siwt ddydd
English: lounge suit
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last updated: 1 November 2010
Welsh: siwt pram
English: pram suit
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: siwtiau pram
Notes: Yng nghyd-destun babanod
Last updated: 5 September 2019
Welsh: siwt sy’n cau dros y frest
English: wrap around body suit
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: siwtiau sy’n cau dros y frest
Notes: Yng nghyd-destun babanod
Last updated: 5 September 2019
Welsh: siwt wlyb
English: wet suit
Status C
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Last updated: 19 August 2008
Welsh: siynt
English: shunt
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: siyntiau
Definition: Tiwb (efallai â dyfais gysylltiedig) er mwyn draenio hylif o un rhan o’r corff i ran arall, gan amlaf i ddraenio hylif cerebrosbinol o’r ymennydd i geudod arall yn y corff.
Last updated: 1 September 2022
Welsh: siynt rhaglenadwy
English: programmable shunt
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: siyntiau rhaglenadwy
Last updated: 1 September 2022
Welsh: Skillfast-UK
English: Skillfast-UK
Status C
Subject: Education
Definition: Y Cyngor Sgiliau Sector. Cafwyd cyfarwyddyd i beidio â chyfieithu'r teitl.
Last updated: 11 October 2004
Welsh: SkillsActive Cymru
English: SkillsActive Wales
Status A
Subject: Tourism and leisure
Definition: Skills sector council for the leisure industry.
Last updated: 15 March 2006
Welsh: SkillsActive / SkillsActive Cymru
English: SkillsActive
Status C
Subject: Tourism and leisure
Last updated: 24 February 2006
Welsh: Skillset
English: Skillset
Status A
Subject: ICT
Part of speech: Neutral
Definition: The Sector Skills Council for the Audio Visual Industries
Last updated: 17 January 2005
Welsh: Skillsmart Retail
English: Skillsmart Retail
Status C
Subject: Education
Part of speech: Neutral
Definition: Sector Skills Development Agency
Last updated: 30 July 2007
Welsh: slab dur
English: steel slab
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Plural: slabiau dur
Last updated: 13 January 2026
Welsh: slafdy
English: sweat shop
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 7 June 2011
Welsh: slag
English: slag
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: slagiau
Definition: Gwastraff yn sgil toddi neu buro metelau.
Context: Ystyr “gweithrediadau mwyngloddio” yw cloddio a gweithio mwynau ar dir, boed hynny drwy weithio ar yr arwyneb neu o dan y ddaear, ac mae’n cynnwys symud ymaith ddeunydd o unrhyw ddisgrifiad o ddyddodyn o [...] (iii) slag haearn, slag dur neu slagiau metelaidd eraill [...]
Last updated: 6 March 2024
Welsh: slag basig
English: basic slag
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Geology
Last updated: 24 February 2005
Welsh: slag metelaidd
English: metallic slag
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: slagiau metelaidd
Last updated: 30 April 2024
Welsh: slang
English: slang
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 13 September 2007
Welsh: slapfarc
English: slapmark
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: pig industry
Last updated: 15 August 2003
Welsh: slatiau
English: slats
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Plural
Last updated: 17 July 2012
Welsh: Slebets
English: Slebech
Status B
Subject: Place-names
Part of speech: Proper noun
Definition: Sir Benfro
Last updated: 14 August 2003
Welsh: sleid
English: slide
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: sleid cudd
English: hidden slide
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005