TermCymru

Results are displayed in English alphabetical order A-Z
English: search service
Welsh: gwasanaeth chwilio
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: gwasanaethau chwilio
Definition: Gwasanaeth rhyngrwyd sy’n cynnwys neu’n gweithredu fel peiriant chwilio.
Notes: Daw’r diffiniad o Ddeddf Diogelwch Ar-lein 2023.
Last Updated: 8 January 2026
English: search warrant
Welsh: gwarant chwilio
Status A
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Last Updated: 9 September 2014
English: search word
Welsh: gair chwilio
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: sea salt
Welsh: halen môr
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last Updated: 1 November 2011
English: Seas and Coast Sub-group
Welsh: Is-grŵp Moroedd a'r Arfordir
Status C
Subject: Europe
Part of speech: Noun, Masculine, Singular
Notes: Un o is-grwpiau Bord Gron Cymru ar Brexit
Last Updated: 14 February 2019
English: seascape
Welsh: morlun
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: celf
Last Updated: 29 April 2005
English: seascape
Welsh: morwedd
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: morweddau
Definition: Yng nghyd-destun y Cynllun Morol, tirweddau sydd â golygfeydd o'r arfordir neu'r môr yn ogystal ag arfordiroedd â'r amgylchedd forol gyfagos sydd â cysylltiadau diwylliannol, hanesyddol ac archaeolegol â'i gilydd.
Context: Mae pob morwedd yn werthfawr; lle mae posibilrwydd o newid morwedd ardal i raddau arwyddocaol dwy ddatblygiadau arfaethedig neu wneud cynlluniau, dylid ystyried yr effeithiau a gwerth cymharol y forwedd a newidir wrth wneud penderfyniadau
Last Updated: 6 June 2019
English: sea scorpion
Welsh: sgorpion môr
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Scorpaeniformes family.
Last Updated: 28 June 2012
English: sea shipping
Welsh: morgludiant
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last Updated: 18 January 2005
English: Seaside Awards
Welsh: Gwobrau Glan Môr
Status C
Subject: Environment
Part of speech: Proper noun, Plural
Last Updated: 15 May 2014
English: sea slug
Welsh: malwen fôr
Status C
Subject: Animals
Part of speech: Noun, Feminine, Singular
Context: Lluosog: malwod môr.
Last Updated: 24 February 2014
English: Sea Smart
Welsh: Call am y Môr
Status C
Subject: Tourism and leisure
Part of speech: Neutral
Last Updated: 11 June 2007
English: Sea Smart Beach Activity Pack
Welsh: Pecyn Gweithgareddau ar y Traeth - Call am y Môr
Status C
Subject: Tourism and leisure
Part of speech: Neutral
Definition: Taflen ddiogelwch i blant.
Last Updated: 11 June 2007
English: season
Welsh: sychu
Status C
Subject: Law
Part of speech: Verb
Definition: Make wood suitable for use as timber by adjusting its moisture content to that of the environemnt in which it will be used.
Last Updated: 1 February 2005
English: seasonal affective disorder
Welsh: anhwylder affeithiol tymhorol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: SAD
Last Updated: 22 September 2006
English: Seasonal Agricultural Workers Scheme
Welsh: Y Cynllun Gweithwyr Amaethyddol Tymhorol
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun mudo a fisâu.
Last Updated: 14 December 2022
English: seasonal flu
Welsh: ffliw tymhorol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 18 October 2005
English: seasonality
Welsh: natur dymhorol
Status B
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Definition: of visitor trade
Last Updated: 29 March 2006
English: seasonally adjust
Welsh: addasu'n dymhorol
Status C
Subject: Housing
Part of speech: Verb
Last Updated: 21 April 2008
English: seasonal worker route
Welsh: llwybr gweithwyr tymhorol
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun mudo a fisâu.
Last Updated: 14 December 2022
English: seasoning
Welsh: sesnin
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Context: Cafodd ei ddefnyddio yng nghyhoeddiadau Newid am Oes.
Last Updated: 31 August 2010
English: season ticket
Welsh: tocyn tymor
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last Updated: 29 March 2006
English: season ticket
Welsh: tocyn tymor
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: tocynnau tymor
Context: Tocyn ar gyfer teithio.
Last Updated: 4 June 2018
English: Seas, Shores and Coastal Areas: Maritime Policy
Welsh: Moroedd, Glannau ac Arfordiroedd: Polisi Morol
Status A
Subject: Environment
Part of speech: Noun, Plural
Definition: dogfen Cyngor Cefn Gwlad Cymru 1996
Last Updated: 13 May 2004
English: sea surface temperature
Welsh: tymheredd wyneb y môr
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 7 November 2011
English: seat
Welsh: sedd
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Plural: seddi
Definition: Y safle o fod yn aelod, neu'r hawl i eistedd yn aelod, o senedd, awdurdod lleol neu gorff gweinyddol neu ddeddfwriaethol arall.
Notes: Yng nghyd-destun etholiadau.
Last Updated: 3 August 2023
English: seat allocation divisor
Welsh: rhannydd dyrannu seddi
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun etholiadau.
Last Updated: 3 August 2023
English: seat allocation figure
Welsh: ffigur dyrannu seddi
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Plural: ffigyrau dyrannu seddi
Notes: Yng nghyd-destun etholiadau.
Last Updated: 3 August 2023
English: seat apportionment
Welsh: dosrannu seddi
Status A
Subject: Politics
Part of speech: Verb
Notes: Yng nghyd-destun etholiadau.
Last Updated: 3 August 2023
English: seat belt
Welsh: gwregys diogelwch
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 30 August 2012
English: Seat belts and child restraints
Welsh: Gwregysau diogelwch a seddi diogel i blant
Status A
Subject: Transport
Part of speech: Noun, Plural
Definition: Dogfen y Cynulliad 2002
Last Updated: 4 June 2004
English: seated service
Welsh: gwasanaeth i gwsmeriaid sy’n eistedd
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Notes: Mewn tafarndai, bwytai ac ati.
Last Updated: 24 September 2020
English: seating system
Welsh: system seddi
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last Updated: 21 June 2010
English: seat reserved
Welsh: sedd gadw
Status C
Subject: Transport
Part of speech: Noun, Feminine, Singular
Last Updated: 1 December 2006
English: sea trout
Welsh: sewin
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 29 July 2004
English: Sea Trust (South and West Wales)
Welsh: Sea Trust (De a Gorllewin Cymru)
Status C
Subject: Environment
Part of speech: Neutral
Last Updated: 7 March 2008
English: seaward boundary
Welsh: ffin atfor
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: ffiniau atfor
Last Updated: 30 June 2022
English: seaward limit
Welsh: terfyn atfor
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: terfynau atfor
Last Updated: 22 April 2025
English: Seawatch Centre
Welsh: Gwylfan
Status C
Subject: Place-names
Part of speech: Proper noun
Definition: Moelfre, Ynys Môn
Last Updated: 2 August 2006
English: SEB
Welsh: Un Corff Amgylcheddol
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Single Environmental Body
Last Updated: 30 July 2012
English: SEBD
Welsh: Anawsterau Cymdeithasol, Emosiynol ac Ymddygiadol
Status C
Subject: Social services
Part of speech: Noun, Plural
Definition: Social, Emotional and Behavioural Difficulties
Last Updated: 24 January 2011
English: secondary accommodation
Welsh: ail lety
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Context: Fel arfer bydd noddwyr yn darparu’r llety cychwynnol i Wcreiniaid o dan gynllun Cartrefi i Wcráin, ond efallai y byddwch chi wedyn yn lletya’r Wcreiniaid mewn ail lety neu leoliad dilynol.
Notes: Yng nghyd-destun yr ymateb i sefyllfa Wcráin.
Last Updated: 26 January 2023
English: secondary accommodation placement
Welsh: ail leoliad llety
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: ail leoliadau llety
Notes: Yng nghyd-destun yr ymateb i sefyllfa Wcráin, dyma leoliad llety y bydd pobl a gartrefir o dan y cynllun Cartrefi i Wcráin yn symud iddo ar ôl y lleoliad llety cychwynnol.
Last Updated: 26 January 2023
English: secondary aggregates
Welsh: agregau eilaidd
Status C
Subject: Environment
Part of speech: Noun, Plural
Last Updated: 29 July 2004
English: secondary analysis
Welsh: dadansoddiad eilaidd
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Plural: dadansoddiadau eilaidd
Definition: Ailddadansoddiad data meintiol neu ansoddol a gasglwyd mewn astudiaeth flaenorol, ar gyfer mynd i'r afael â chwestiwn ymchwil newydd.
Context: Mae’n cynnwys ymchwil a datblygu, monitro a gwyliadwriaeth, a dadansoddi a chyfosod eilaidd.
Notes: Gallai'r ffurf ferfol "dadansoddi eilaidd" fod yn addas hefyd.
Last Updated: 6 June 2019
English: secondary attack rate
Welsh: cyfradd ymosodiadau eilaidd
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: cyfraddau ymosodiadau eilaidd
Definition: Y tebygolrwydd y bydd haint yn digwydd ymysg pobl sy'n agroed i'r haint hwnnw o fewn grŵp penodol (ee aelwyd, neu griw o gysylltiadau agos).
Last Updated: 4 February 2021
English: secondary cancer
Welsh: canser eilaidd
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Canser sydd wedi lledu o’r man lle y cychwynnodd i ran arall o’r corff. Bydd canserau eilaidd o’r un math o ganser a’r canser cychwynnol (gwreiddiol). Er enghraifft, gall celloedd canser ledu o’r fron (canser cychwynnol) i ffurfio tiwmorau newydd yn yr ysgyfaint (canser eilaidd). Bydd y celloedd canser yn yr ysgyfaint yn unfath â’r rhai yn y fron.
Notes: Mae’r term secondary tumour / tiwmor eilaidd yn gyfystyr.
Last Updated: 25 November 2022
English: secondary care
Welsh: gofal eilaidd
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 16 April 2003
English: secondary care ophthalmology
Welsh: offthalmoleg gofal eilaidd
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last Updated: 4 June 2020
English: secondary care record
Welsh: cofnod gofal eilaidd
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 21 May 2020