TermCymru

Results are displayed in English alphabetical order A-Z
English: Sign Up Now
Welsh: Ymunwch Nawr!
Status C
Subject: Education
Definition: A marketing campaign organised and funded by the European Social Fund (ESF), ELWa and NIACE to encourage the demand for learning.
Last Updated: 10 January 2007
English: sign up season
Welsh: tymor cofrestru
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Context: Ymgyrch addysg oedolion.
Last Updated: 9 November 2009
English: sign up to
Welsh: cytuno i
Status C
Subject: General
Part of speech: Verb
Context: Gall sawl cyfieithiad fod yn briodol ond dyma un cynnig.
Last Updated: 8 July 2010
English: Sign up to Wales' Sustainable Development Charter
Welsh: Ymunwch â Siarter Datblygu Cynaliadwy Cymru
Status A
Subject: Environment
Part of speech: Neutral
Context: Strapline on banner.
Last Updated: 20 May 2010
English: SIIA
Welsh: Asesiad Effaith Integredig Strategol
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: Asesiadau Effaith Integredig Strategol
Notes: Dyma’r acronym Saesneg a ddefnyddir am Strategic Integrated Impact Assessment.
Last Updated: 31 October 2025
English: Sikh
Welsh: Sikh
Status C
Subject: Religion
Part of speech: Noun, Masculine, Singular
Context: Lluosog: Sikhiaid.
Last Updated: 15 March 2006
English: Sikh Cultural Association for South Wales
Welsh: Cymdeithas Ddiwylliannol Sikhiaid De Cymru
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last Updated: 7 May 2009
English: Sikhism
Welsh: Sikhiaeth
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last Updated: 15 March 2006
English: silage
Welsh: silwair
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Porthiant gwlyb wedi'i eplesu, y gellir ei roi yn fwyd i anifeiliaid fferm neu ei ddefnyddio mewn treulwyr anaerobig.
Last Updated: 11 July 2019
English: silage additive
Welsh: ychwanegyn silwair
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: ychwanegion silwair
Context: Mae’r paratoad a bennir yn y tabl, sy’n perthyn i’r categori ychwanegion “ychwanegion technolegol” ac i’r grŵp gweithredol “ychwanegion silwair”, 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: silage clamp
Welsh: claddfa silwair
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last Updated: 20 May 2004
English: silage effluent
Welsh: elifion silwair
Status A
Subject: Waste
Part of speech: Noun, Plural
Last Updated: 20 May 2004
English: silage wrap
Welsh: deunydd lapio silwair
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 5 February 2004
English: silence
Welsh: distawrwydd
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Context: With regard to environmental noise.
Last Updated: 10 June 2013
English: silencer
Welsh: tawelydd
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 30 August 2012
English: silent
Welsh: distaw
Status A
Subject: Environment
Part of speech: Adjective
Context: With regard to environmental noise.
Last Updated: 10 June 2013
English: silent misdiagnosis
Welsh: camddiagnosis mud
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: There is overwhelming evidence that the views of doctors about what matters to a patient can differ markedly from what the patients really wants. Professor Glyn Elwyn calls this failure to recognise patients’ true preference the ‘silent misdiagnosis’.
Last Updated: 24 October 2016
English: Silent Solution
Welsh: Ateb Tawel
Status A
Subject: Justice and order
Part of speech: Proper noun
Notes: pan fydd angen ffonio 999 ond pan na fydd y person yn gallu siarad, felly’n deialu 55)
Last Updated: 15 May 2019
English: silent treatment
Welsh: triniaeth ddistaw
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Gwrthod cyfathrebu a/neu gydnabod person arall gyda'r bwriad o achosi niwed.
Notes: Gall y term hwn fod yn gyfystyr â stonewalling / codi waliau, ond sylwer fod gan y term hwnnw ystyr arall gysylltiedig.
Last Updated: 2 July 2025
English: silhouette
Welsh: silwét
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 5 December 2006
English: silicate
Welsh: silicad
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 25 July 2012
English: silicon
Welsh: silicon
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Si
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last Updated: 18 June 2025
English: silicone bead
Welsh: glain silicon
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gleiniau silicon
Notes: Yng nghyd-destun tyllu’r corff.
Last Updated: 7 September 2023
English: sill
Welsh: silff ffenestr
Status C
Subject: Estates and Cadw
Part of speech: Noun, Feminine, Singular
Definition: The lowest horizontal member of a timber window; also the projecting stone member on which the window sits.
Context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.
Last Updated: 23 April 2015
English: silled saline lagoon
Welsh: morlyn hallt â sil
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 22 April 2014
English: silo
Welsh: seilo
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: seilos
Context: Rhaid i sylfaen y seilo, sylfaen a waliau ei danc elifiant a sianelau ac ochrau unrhyw bibellau fod yn anhydraidd.
Last Updated: 1 October 2020
English: silt
Welsh: gwaddod/silt
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 23 September 2005
English: silt
Welsh: siltio
Status A
Subject: Environment
Part of speech: Verb
Last Updated: 17 January 2013
English: silt entrapment pond
Welsh: llyn dal silt
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 7 December 2011
English: silt loam
Welsh: lôm gwaddodlyd
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 23 September 2005
English: silt trap
Welsh: trap silt
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 5 June 2006
English: silver
Welsh: arian
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Ag
Notes: Elfen gemegol.
Last Updated: 18 June 2025
English: Silver Award
Welsh: Gwobr Arian
Status C
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Last Updated: 1 November 2011
English: silver birch
Welsh: bedwen arian
Status A
Subject: Plants
Part of speech: Noun, Feminine, Singular
Plural: bedw arian
Definition: betula pendula
Last Updated: 21 June 2022
English: Silver Command
Welsh: Trefn Reoli Arian
Status A
Subject: Fire and rescue
Part of speech: Proper noun, Feminine, Singular
Last Updated: 25 March 2014
English: Silver Jubilee
Welsh: Jiwbilî Arian
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last Updated: 12 February 2007
English: Silver Lapwing
Welsh: Silver Lapwing
Status B
Subject: Agriculture
Part of speech: Proper noun, Feminine, Singular
Definition: Name of an agricultural award.
Last Updated: 10 July 2012
English: silver leaf disease
Welsh: clefyd deilen arian
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 13 May 2013
English: silver leaf infection
Welsh: haint y ddeilen arian
Status C
Subject: Plants
Part of speech: Noun, Masculine, Singular
Last Updated: 19 August 2010
English: silver-striped hawkmoth
Welsh: gwalchwyfyn chwim
Status C
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Hippotion celerio
Last Updated: 12 March 2010
English: silver-studded blue butterfly
Welsh: glesyn serennog
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Plebejus argus
Last Updated: 13 December 2012
English: silver surfers
Welsh: porwyr penwyn
Status C
Subject: ICT
Part of speech: Noun, Plural
Last Updated: 29 October 2010
English: silvicultural systems
Welsh: systemau coedamaeth
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last Updated: 27 January 2004
English: SIM
Welsh: llawlyfr gwybodaeth y gwasanaeth
Status C
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Definition: service information manual
Last Updated: 9 July 2008
English: simazine
Welsh: simasin
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 1 November 2010
English: SIM farm
Welsh: fferm SIM
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: ffermydd SIM
Definition: Dyfais sy'n trosi cyfathrebiadau llinell sefydlog (ee y rhwydwaith ffonau cartref a busnes) yn gyfathrebiadau ffonau symudol. Prif ddefnydd dyfeisiau o'r fath yw derbyn galwadau neu negeseuon SMS a anfonwyd dros y rhyngrwyd a'u haildrosglwyddo dros rwydweithiau symudol er mwyn cyrraedd ffonau symudol.
Last Updated: 10 April 2025
English: simmer
Welsh: mudferwi
Status C
Subject: Food
Part of speech: Verb
Last Updated: 1 November 2010
English: simple cuts, minor burns and scalds
Welsh: briwiau syml, mân losgiadau a sgaldiadau
Status C
Subject: Health
Part of speech: Noun, Plural
Last Updated: 16 August 2012
English: Simple hedgerow management
Welsh: Rheoli perth/gwrych – amodau syml
Status C
Subject: Agriculture
Part of speech: Verb
Context: In the context of Glastir.
Last Updated: 8 July 2010
English: simple random sample
Welsh: hapsampl syml
Status B
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Plural: hapsamplau syml
Context: Un o effeithiau'r cynllun cymhleth hwn a phwysoli'r arolwg yw bod y cyfeiliornau safonol ar gyfer amcangyfrifon yr arolwg yn gyffredinol uwch na'r cyfeiliornadau safonol a fyddai'n deillio o hapsampl syml o'r un maint.
Last Updated: 4 September 2025