TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: sêl y cyngor
English: council's seal
Status C
Subject: Local government
Part of speech: Noun, Masculine, Singular
Last updated: 19 August 2014
Welsh: sêl ymyl
English: edge seal
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Definition: A plastic material used around the outer edges of a sealed unit, usually incorporating a desiccant to absorb moisture.
Context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.
Last updated: 23 April 2015
Welsh: slyri
English: slurry
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 29 July 2003
Welsh: slyri gwartheg
English: cattle slurry
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 1 October 2020
Welsh: slyri gwartheg eidion
English: beef slurry
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 4 October 2005
Welsh: slyri gwartheg llaeth
English: dairy slurry
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 24 September 2024
Welsh: slyri gwartheg wedi’i wahanu
English: separated cattle slurry
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Y deunydd gwlyb wedi’i wahanu oddi wrth y deunydd sych.
Last updated: 17 November 2011
Welsh: slyri moch
English: pig slurry
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 1 October 2020
Welsh: smac
English: smack
Status A
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Context: Gellir defnyddio "smacen" hefyd.
Last updated: 29 April 2014
Welsh: smacen
English: smack
Status A
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Plural: smacs
Notes: Term sy'n codi mewn deunyddiau ar ddileu amddiffyniad cosb resymol.
Last updated: 13 December 2017
Welsh: smacio
English: smack
Status A
Subject: Justice and order
Part of speech: Verb
Last updated: 29 April 2014
Welsh: smacio
English: smack
Status A
Subject: Justice and order
Part of speech: Verb
Notes: Term sy'n codi mewn deunyddiau ar ddileu amddiffyniad cosb resymol.
Last updated: 13 December 2017
Welsh: smacio ysgafn
English: light smacking
Status A
Subject: Justice and order
Part of speech: Verb
Notes: Term sy'n codi mewn deunyddiau ar ddileu amddiffyniad cosb resymol.
Last updated: 13 December 2017
Welsh: smacio ysgafn
English: mild smacking
Status A
Subject: Justice and order
Part of speech: Verb
Notes: Term sy'n codi mewn deunyddiau ar ddileu amddiffyniad cosb resymol.
Last updated: 13 December 2017
Welsh: Smart Car
English: Smart Car
Status C
Subject: ICT
Part of speech: Neutral
Definition: Rhan o ymgyrch Band Eang Cymru
Last updated: 6 July 2005
Welsh: SmartWales
English: SmartWales
Status C
Subject: General
Last updated: 24 September 2002
Welsh: SMD
English: SMD
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Schools Management Division
Last updated: 16 February 2004
Welsh: smE-Fusnes Cymru
English: Wales smE-Business
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: teitl cynllun
Last updated: 14 January 2003
Welsh: sment
English: cement
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last updated: 24 November 2014
Welsh: sment asbestos
English: asbestos-cement
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 25 June 2008
Welsh: Smithfield
English: Smithfield
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Wrecsam. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Wrecsam (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: smokies
English: smokies
Status C
Subject: Agriculture
Definition: A meat produce considered a delicacy amongst ethnic minorities in the UK.
Last updated: 19 May 2005
Welsh: smotiau duon llwyfen
English: black spot of elm
Status C
Subject: Law
Part of speech: Noun, Plural
Last updated: 22 September 2009
Welsh: SMP
English: SMP
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Soil Management Plan
Last updated: 14 April 2004
Welsh: SMS-rwydo
English: smishing
Status A
Subject: ICT
Part of speech: Verb
Definition: Achos o we-rwydo gan ddefnyddio negeseuon testun.
Last updated: 21 December 2020
Welsh: smwddi
English: smoothie
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Plural: smwddis
Definition: Diod lyfn, drwchus a wnaed o ffrwythau a/neu lysiau wedi'u cymysgu â llaeth, hufen iâ, iogwrt neu sudd ffrwythau.
Last updated: 24 September 2025
Welsh: smyglwr
English: smuggler
Status C
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last updated: 15 December 2010
Welsh: smygu
English: smoking
Status A
Subject: Health
Part of speech: Verb
Definition: Defnyddir "ysmygu" mewn cyd-destunau ffurfiol.
Last updated: 10 August 2006
Welsh: smygu goddefol
English: passive smoking
Status A
Subject: Health
Part of speech: Verb
Last updated: 25 November 2004
Welsh: smygu ymhlith mamau
English: maternal smoking
Status B
Subject: Health
Part of speech: Verb
Last updated: 18 November 2025
Welsh: sŵn
English: noise
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: synau
Definition: Sain y bernir neu y canfyddir ei bod yn un nas dymunir neu'n un niweidiol.
Notes: Yng nghyd-destun sŵn amgylcheddol.
Last updated: 26 January 2023
Welsh: sân Albanaidd
English: Scottish seine
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Type of fishing net.
Last updated: 11 March 2013
Welsh: Sân Albanaidd
English: Scottish seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 26 March 2020
Welsh: Sân Albanaidd yn bâr
English: Scottish pair seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 26 March 2020
Welsh: sŵn amgylcheddol
English: environmental noise
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Sŵn niweidiol neu nas dymunir a ddaw o drafnidiaeth (ffyrdd, rheilffyrdd, traffig awyr) a diwydiant. Gall ddigwydd mewn cyfuniad â llygredd aer. Nid yw sŵn amgylcheddol yn cynnwys sŵn a ddaw o weithgareddau domestig, cymdogion, gweithleoedd na gweithgareddau milwrol.
Last updated: 26 January 2023
Welsh: sŵn amledd isel
English: low frequency noise
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 17 November 2011
Welsh: sân angor
English: anchor seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Notes: Mae'r term 'Danish seine' yn gyfystyr.
Last updated: 26 March 2020
Welsh: snap
English: snap
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: SNAP Cymru
English: SNAP Cymru
Status C
Subject: Health
Part of speech: Neutral
Definition: Special Needs Advisory Project
Last updated: 23 July 2003
Welsh: snapio i'r grid
English: snap to grid
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: Snatchwood
English: Snatchwood
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Tor-faen
Last updated: 14 August 2003
Welsh: sŵn cefndir
English: background noise
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun profion gwyddonol.
Last updated: 22 July 2020
Welsh: sân cwch 
English: boat seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Notes: Mae'r term 'vessel seine' yn gyfystyr.
Last updated: 26 March 2020
Welsh: sân cwch 
English: vessel seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Notes: Mae'r term 'boat seine' yn gyfystyr.
Last updated: 26 March 2020
Welsh: sân Danaidd
English: Danish seine
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Type of fishing net.
Context: Lluosog: sanau Danaidd.
Last updated: 11 March 2013
Welsh: sân Danaidd
English: Danish seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Notes: Mae'r term 'anchor seine' yn gyfystyr.
Last updated: 26 March 2020
Welsh: sŵn, diflastod sŵn a dirgryndod
English: noise, noise nuisance and vibration
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 22 May 2003
Welsh: sŵn ergydiol
English: impulsive sound
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: synau ergydiol
Context: Dylid rheoli gweithgareddau dynol a all gyflwyno synau ergydiol er mwyn dileu effeithiau niweidiol arwyddocaol ar rywogaethau a phoblogaethau dan fygythiad.
Last updated: 6 June 2019
Welsh: Snowsport Cymru
English: Snowsport Wales
Status C
Subject: Education
Definition: formerly Ski Council of Wales (SCOW)
Last updated: 4 February 2003
Welsh: snŵs
English: snus
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Math o dybaco powdr llaith a ddatblygwyd yn wreiddiol yn Sweden. Fe’i cymerir drwy’r geg fel arfer.
Notes: Daw’r term yn wreiddiol o air Swedeg.
Last updated: 7 November 2024