TermCymru

Results are displayed in alphabetical order.

English: Staffordshire

Status A

Subject: Place-names

Part of speech: Proper noun

Notes: Enw sir yn Lloegr. Safonwyd y ffurf hon gan Banel Safoni Enwau Lleoedd Comisiynydd y Gymraeg fel rhan o restr o siroedd Lloegr. Am ragor o wybodaeth am y prosiect safoni hwn, gweler gwefan Comisiynydd y Gymraeg.

Last updated: 17 June 2025

Welsh: swydd wag

English: vacancy

Status C

Subject: Personnel

Part of speech: Noun, Feminine, Singular

Context: Employment opportunity.

Last updated: 2 November 2010

Welsh: Swydd Warwick

English: Warwickshire

Status A

Subject: Place-names

Part of speech: Proper noun

Last updated: 17 June 2025

Welsh: swydd Weinidogol Gymreig

English: Welsh Ministerial office

Status A

Subject: Politics

Part of speech: Noun, Feminine, Singular

Definition: Swydd unrhyw un o Weinidogion Cymru neu swydd unrhyw un o Ddirprwy Weinidogion Cymru.

Last updated: 3 August 2023

Welsh: swydd wirfoddol

English: voluntary post

Status B

Subject: Personnel

Part of speech: Noun, Feminine, Singular

Plural: swyddi gwirfoddol

Context: At ddibenion safonau 149 i 152 yn unig mae “swydd” yn cynnwys swydd wirfoddol.

Last updated: 5 July 2016

Welsh: Swyn Naturiol

English: Natural Buzz

Status A

Subject: Environment

Definition: Sioe Deithiol y Cyngor Cefn Gwlad.

Last updated: 28 September 2005

Welsh: swyno trwy dwyll

English: catfishing

Status A

Subject: Justice and order

Part of speech: Verb

Definition: Defnyddio hunaniaeth ar-lein ffug i dwyllo rhywun i feddwl eu bod mewn perthynas ramantus, yn aml at ddiben sgamio.

Notes: Safonwyd y term hwn ar sail y canllawiau ar drosi termau slangaidd Saesneg. Gweler yr erthygl yn yr Arddulliadur.

Last updated: 7 May 2025

Welsh: sybsidiaredd

English: subsidiarity

Status A

Subject: Europe

Part of speech: Noun, Masculine, Singular

Definition: Decisions within the European Union should be taken at the closest practical level to the citizen.

Last updated: 8 January 2004

Welsh: sychder

English: drought

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: sychderau

Definition: Cyfnod o dywydd anarferol o sych sy'n para ddigon hir i achosi anghydbwysedd hydrolegol difrifol.

Last updated: 21 July 2022

Welsh: sychder mawr

English: severe drought

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 18 August 2008

Welsh: sychlanhau

English: dry cleaning

Status C

Subject: Environment

Part of speech: Verb

Last updated: 5 September 2003

Welsh: sychu

English: dry-cure

Status C

Subject: Law

Part of speech: Verb

Definition: (of wood) = season

Last updated: 1 February 2005

Welsh: sychu

English: season

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

Welsh: sychu drwy chwistrellu

English: spray drying

Status B

Subject: Economic development

Part of speech: Verb

Definition: Spray drying is a method of producing a dry powder from a liquid or slurry by rapidly drying with a hot gas. This is the preferred method of drying of many thermally-sensitive materials such as foods and pharmaceuticals.

Last updated: 23 December 2015

Welsh: sychu drwy rewi

English: freeze-dried

Status B

Subject: Food

Part of speech: Verb

Last updated: 1 February 2012

Welsh: sychu grawn/ŷd

English: grain drying

Status C

Subject: Agriculture

Part of speech: Verb

Context: Glastir ACRES

Last updated: 14 July 2010

Welsh: sychu â gwres

English: heat-drying

Status C

Subject: Agriculture

Part of speech: Verb

Definition: gwres-sychu

Last updated: 29 July 2003

Welsh: sychwr/craswr ŷd

English: grain dryer

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 20 May 2004

Welsh: syclamen

English: cyclamen

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: syclamenau

Last updated: 19 December 2024

Welsh: Sydd ar gael yn:

English: Which is available at:

Status C

Subject: ICT

Last updated: 24 September 2002

Welsh: Sydd ar y Fewnrwyd yn:

English: Which can be found on the Intranet at:

Status C

Subject: ICT

Part of speech: Adjective

Last updated: 24 September 2002

Welsh: sydd wedi'i dyfu o doriad

English: cutting-propagated

Status C

Subject: Environment

Part of speech: Adjective

Last updated: 25 November 2014

Welsh: sydd wedi'i dyfu o eginblanhigyn

English: seedling-propagated

Status C

Subject: Environment

Part of speech: Adjective

Context: Gall ".... o egingoeden" fod yn briodol weithiau.

Last updated: 25 November 2014

Welsh: SYG

English: ONS

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Definition: Office for National Statistics

Notes: Deellir fod y Swyddfa Ystadegau Gwladol yn ffafrio defnyddio acronym Cymraeg ar eu henw.

Last updated: 25 July 2022

Welsh: sylfaen

English: footing

Status C

Subject: Environment

Part of speech: Noun, Feminine, Singular

Context: Of a wall.

Last updated: 18 January 2013

Welsh: Sylfaen

English: Foundation

Status B

Subject: Education

Part of speech: Adjective

Definition: Disgrifiad o lefel cyrsiau iaith.

Last updated: 5 March 2015

Welsh: sylfaen

English: foundation

Status A

Subject: Planning

Part of speech: Noun, Masculine, Singular

Plural: sylfeini

Context: Ystyr “gweithrediad perthnasol” yw unrhyw waith adeiladu wrth godi adeilad, unrhyw waith i ddymchwel adeilad, cloddio ffos a fydd yn cynnwys sylfeini ar gyfer adeilad, gosod prif bibell neu bibell danddaear i sylfeini adeilad, neu i ffos a fydd yn cynnwys sylfeini ar gyfer adeilad.

Last updated: 30 April 2024

Welsh: Sylfaen ar gyfer Cyflawni - Strategaeth Ddiwylliannol i Gymru

English: A Platform for Fulfilment - A Cultural Strategy for Wales

Status C

Subject: Education

Part of speech: Noun, Feminine, Singular

Last updated: 20 September 2002

Welsh: sylfaen asedau

English: asset base

Status C

Subject: Economic development

Part of speech: Noun, Feminine, Singular

Last updated: 10 November 2004

Welsh: sylfaen drethu

English: tax base

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Definition: Gwerth treth y cyngor sydd gan awdurdod i'w gasglu, wedi'i fynegi fel gwerth cartrefi bandiau D neu'u cyfatebol.

Last updated: 22 July 2003

Welsh: sylfaen drethu

English: tax base

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: sylfeini trethu

Definition: Cyfanswm gwerth yr incwm neu eiddo y gellir codi treth arno. Yn achos y dreth gyngor yng Nghymru, caiff ei fynegi fel cyfanswm gwerth cartrefi bandiau D neu eiddo cyfatebol.

Last updated: 28 March 2018

Welsh: sylfaen drethu

English: tax base

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Plural: sylfeini trethu

Definition: Cyfanswm gwerth yr incwm neu eiddo y gellir codi treth arno. Yn achos y dreth gyngor yng Nghymru, caiff ei fynegi fel cyfanswm gwerth cartrefi bandiau D neu eiddo cyfatebol.

Last updated: 24 May 2018

Welsh: sylfaen driphlyg

English: triple bottom line

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Fframwaith ar gyfer mesur ymrwymiad i ffactorau cymdeithas ac amgylcheddol, yn ogystal â'r llinell isaf ariannol. Defnyddir y fframwaith yn aml i fesur ymrwymiad corfforaethau i ddatblygiad cynaliadwy. Yn Saesneg, defnyddir yr ymadrodd "People, Planet, Profit" yn gyffredin i gyfleu'r cysyniad.

Context: Gallwn drefnu'r manteision hyn yn rhai economaidd, amgylcheddol a chymdeithasol, sy'n gyson â'r "sylfaen driphlyg" yng nghyd-destun cynaliadwyedd a ddefnyddir gan y Cenhedloedd Unedig a chyrff rhyngwladol eraill.

Last updated: 11 July 2019

Welsh: sylfaen dystiolaeth

English: evidence base

Status C

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Context: Rhaid cael mynediad priodol i ddata er mwyn darparu ar gyfer sylfaen dystiolaeth well.

Last updated: 1 August 2018

Welsh: sylfaen ffordd

English: roadbase

Status B

Subject: Transport

Part of speech: Noun, Feminine, Singular

Last updated: 19 August 2003

Welsh: sylfaen goncrit

English: concrete base

Status B

Subject: Agriculture

Part of speech: Noun, Feminine, Singular

Last updated: 28 August 2012

Welsh: sylfaen L-lysin

English: L-lysine base

Status B

Subject: Agriculture

Part of speech: Noun, Feminine, Singular

Notes: Yng nghyd-destun ychwanegion bwyd anifeiliaid.

Last updated: 8 November 2023

Welsh: sylfaen treth incwm

English: income tax base

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last updated: 5 February 2014

Welsh: sylfaenu

English: base

Status B

Subject: Finance and statistics

Part of speech: Verb

Definition: Gosod y sampl (y sylfaen) a ddefnyddir wrth wneud cyfrifiad.

Last updated: 3 August 2023

Welsh: Sylfaen y Dreth Gyngor

English: Council Tax Base

Status C

Subject: Housing

Part of speech: Noun, Feminine, Singular

Last updated: 1 December 2003

Welsh: Sylfeini a Chyfleoedd Llwyddiannus

English: Successful Foundations and Opportunities

Status C

Subject: Finance and statistics

Part of speech: Noun, Plural

Definition: Teitl cyllideb

Last updated: 7 January 2008

Welsh: Sylfeini Allforio

English: Foundations for Export

Status C

Subject: Economic development

Part of speech: Noun, Plural

Definition: Rhaglen Cymorth Allforio

Last updated: 13 July 2006

Welsh: sylfeini busnes

English: business foundations

Status C

Subject: Economic development

Part of speech: Noun, Plural

Last updated: 3 February 2006

Welsh: Sylfeini Cadarn: Strategaeth Buddsoddi Cyfalaf i Gymru

English: Firm Foundations: A Capital Investment Strategy for Wales

Status A

Subject: Economic development

Part of speech: Noun, Plural

Definition: Teitl dogfen.

Last updated: 20 February 2006

Welsh: sylffonad perfflowrooctan

English: perflourooctane sylphonate

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 22 November 2006

Welsh: sylffwr

English: sulphur

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Symbol cemegol: S

Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru. Gwelir y sillafiad Saesneg sulfur hefyd.

Last updated: 18 June 2025

Welsh: sylffwr

English: sulfur

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Symbol cemegol: S

Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru. Gwelir y sillafiad Saesneg sulphur hefyd.

Last updated: 18 June 2025

Welsh: sylffwr deuocsid

English: sulphur dioxide

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 11 July 2019

Welsh: syllwr

English: viewer

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Context: Software.

Last updated: 12 November 2014

Welsh: syllwr PDF

English: PDF viewer

Status A

Subject: ICT

Part of speech: Noun, Masculine, Singular

Definition: Portable Document Format

Last updated: 28 May 2014

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