TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: signalau lliw
English: colour light signals
Status C
Subject: Transport
Part of speech: Noun, Plural
Last updated: 5 February 2008
Welsh: signal ffonau symudol
English: mobile phone coverage
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 25 May 2012
Welsh: signal galluogi
English: enabling signal
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: signal galwadau'r grid
English: grid demand signal
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: signalau galwadau'r grid
Last updated: 5 August 2020
Welsh: Signposts
English: Signposts
Status C
Subject: Health
Part of speech: Neutral
Definition: Canllawiau ar gynnwys y cleifion a'r cyhoedd ar gyfer cyrff yn gysylltiedig â'r GIG.
Last updated: 12 May 2006
Welsh: sigârs
English: cigars
Status C
Subject: General
Part of speech: Noun, Plural
Last updated: 31 August 2010
Welsh: Sikh
English: Sikh
Status C
Subject: Religion
Part of speech: Noun, Masculine, Singular
Context: Lluosog: Sikhiaid.
Last updated: 15 March 2006
Welsh: Sikhiaeth
English: Sikhism
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last updated: 15 March 2006
Welsh: siâl
English: shale
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 5 June 2006
Welsh: sil
English: spat
Status C
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: The spawn of shellfish; a shellfish larva.
Last updated: 25 March 2010
Welsh: sil
English: fry
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: silod
Notes: Yng nghyd-destun bywyd eog.
Last updated: 10 February 2022
Welsh: silfa
English: spawning ground
Status A
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Plural: silfeydd
Definition: Man lle mae pysgod yn bwrw wyau.
Last updated: 2 April 2025
Welsh: silff ffenestr
English: cill
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
Welsh: silff ffenestr
English: sill
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
Welsh: silffoedd creigiau a sgri
English: rock ledge and scree
Status B
Subject: Environment
Part of speech: Noun, Feminine, Plural
Context: Glastir
Last updated: 28 May 2012
Welsh: silff-sefydlog
English: shelf stable
Status C
Subject: Food
Part of speech: Adjective
Last updated: 7 June 2007
Welsh: Sili
English: Sully
Status C
Subject: Place-names
Part of speech: Proper noun
Last updated: 10 July 2008
Welsh: Sili
English: Sully
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Bro Morgannwg. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Bro Morgannwg (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: silica coloidaidd
English: colloidal silica
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Daliant o ronynnau silica (silicon deuocsid) mân, amorffaidd, anhydraidd mewn hylif.
Notes: Term a ddefnyddir yn Rheoliadau Ychwanegion Bwyd Anifeiliaid (Awdurdodiadau) (Cymru) 2022.
Last updated: 10 December 2024
Welsh: silicad
English: silicate
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 25 July 2012
Welsh: silicon
English: 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
Welsh: silindr
English: cylinder
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 3 October 2005
Welsh: silindrau aer cywasgedig
English: compressed air cylinders
Status C
Subject: Law
Part of speech: Noun, Plural
Last updated: 28 September 2005
Welsh: silindrau ocsigen symudol
English: ambulatory oxygen
Status C
Subject: Health
Part of speech: Noun, Plural
Last updated: 3 October 2005
Welsh: silio
English: spawn
Status C
Subject: Agriculture
Part of speech: Verb
Last updated: 29 November 2005
Welsh: silio
English: spawning
Status C
Subject: Environment
Part of speech: Verb
Last updated: 5 June 2006
Welsh: silio
English: spat
Status C
Subject: Animals
Part of speech: Verb
Definition: To spawn
Last updated: 25 March 2010
Welsh: silod mân
English: fry
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 29 July 2004
Welsh: siltio
English: silt
Status A
Subject: Environment
Part of speech: Verb
Last updated: 17 January 2013
Welsh: Silver Lapwing
English: Silver Lapwing
Status B
Subject: Agriculture
Part of speech: Proper noun, Feminine, Singular
Definition: Name of an agricultural award.
Last updated: 10 July 2012
Welsh: silwair
English: silage
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
Welsh: silwair cnydau âr
English: arable silage
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Silwair sy'n cynnwys cymysgedd o ydau a phys, mewn gwahanol gymarebau.
Last updated: 11 July 2019
Welsh: silwair hunanfwydo
English: self feed silage
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 28 July 2010
Welsh: silwair india-corn
English: maize silage
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2025
Welsh: silwair o gnydau cyfan
English: whole crop silage
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 3 May 2007
Welsh: silwair porfa
English: grass silage
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 22 September 2006
Welsh: silwét
English: silhouette
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 5 December 2006
Welsh: simasin
English: simazine
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 1 November 2010
Welsh: simnai
English: chimney
Status A
Subject: Housing
Part of speech: Noun, Feminine, Singular
Plural: simneiau
Last updated: 26 January 2023
Welsh: simnai ochrol
English: lateral chimney
Status C
Subject: Estates and Cadw
Part of speech: Noun, Feminine, Singular
Last updated: 5 December 2011
Welsh: sinc
English: zinc
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Zn
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: Sinema
English: Cinema
Status C
Subject: Place-names
Part of speech: Noun, Feminine, Singular
Definition: Cathays Park
Last updated: 28 September 2005
Welsh: sinema annibynnol
English: independent cinema
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Plural: sinemâu annibynnol
Last updated: 24 June 2021
Welsh: Singapore
English: Singapore
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last updated: 17 August 2021
Welsh: Sinhalesaidd
English: Sinhalese
Status C
Subject: Personnel
Part of speech: Adjective
Last updated: 22 June 2007
Welsh: Sinti
English: Sinti
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: Is-grŵp ethnig a ddaw o dan y term ymbarél Roma.
Notes: Ar y cyfandir y ceir y rhan fwyaf o grwpiau Sinti. I’r Sinti mae’r gair “gypsy” yn sarhad ac ni ddylid ei ddefnyddio mewn perthynas â hwy.
Last updated: 4 February 2026
Welsh: Sint Maarten
English: Sint Maarten
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last updated: 17 August 2021
Welsh: sintro
English: sintering
Status C
Subject: Economic development
Part of speech: Verb
Definition: asio deunydd dan effaith gwres mawr.
Last updated: 5 September 2003
Welsh: sinws perffurf
English: pyriform sinus
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 3 March 2006
Welsh: sioc anaffylactig
English: anaphylactic shock
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: siociau anaffylactig
Last updated: 24 September 2025