TermCymru

Results are displayed in alphabetical order.
English: speeding
Welsh: goryrru
Status C
Subject: Transport
Part of speech: Verb
Definition: Mae 'gyrru'n rhy gyflym' yn addas weithiau hefyd.
Last Updated: 6 May 2005
English: Speed: Know Your Limits
Welsh: Cyflymder: Deall y Drefn
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Definition: Information leaflet
Last Updated: 6 May 2005
English: speed limit
Welsh: terfyn cyflymder
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: terfynau cyflymder
Definition: Y cyflymder uchaf a ganiateir gan y gyfraith i gerbydau deithio ar ddarn o ffordd.
Notes: Sylwch y cedwir 'cyfyngiad cyflymder' ar gyfer 'speed restriction', sy'n gysyniad gwahanol ym maes cyfraith y ffyrdd.
Last Updated: 27 October 2020
English: speednetworking
Welsh: gwibrwydweithio
Status C
Subject: General
Part of speech: Verb
Last Updated: 8 November 2006
English: speed order
Welsh: gorchymyn cyflymder
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last Updated: 9 December 2004
English: speed restriction
Welsh: cyfyngiad cyflymder
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: cyfyngiadau cyflymder
Notes: Yn aml defnyddir 'speed restriction' yn gyfystyr â 'speed limit' mewn cyd-destunau annhechnegol.
Last Updated: 26 November 2025
English: speed table
Welsh: bwrdd arafu
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: byrddau arafu
Definition: Darn wedi'i godi o'r ffordd, yn aml ar gyffordd, er mwyn arafu traffig.
Last Updated: 26 November 2025
English: Speedway
Welsh: rasio Speedway
Status C
Subject: Transport
Part of speech: Verb
Last Updated: 23 December 2005
English: Speedy Resolution Scheme Pilot Project for Clinical Negligence Claims
Welsh: Prosiect Peilot (y) Cynllun Datrys Cyflym ar gyfer Hawliadau Esgeuluster Clinigol
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Cafodd ei lansio 1 Chwefror 2005.
Last Updated: 11 September 2007
English: Speedy Services Wales Seniors Open
Welsh: Pencampwriaeth Agored Golffwyr Hŷn Speedy Services
Status C
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Context: Golf
Last Updated: 2 August 2012
English: SPEI
Welsh: Gwasanaeth o Fudd Economaidd Cyhoeddus 
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Plural: Gwasanaethau o Fudd Economaidd Cyhoeddus
Notes: Elfen yn y Bil Rheoli Cymorthdaliadau, gan Lywodraeth y DU. Dyma'r acronym Saesneg a ddefnyddir am Service of Public Economic Interest.
Last Updated: 13 January 2022
English: spell check
Welsh: gwirio sillafu
Status B
Subject: ICT
Part of speech: Verb
Last Updated: 19 July 2005
English: spelt
Welsh: gwenith yr Almaen
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 29 July 2003
English: Spend Data
Welsh: Data Gwariant
Status C
Subject: Finance and statistics
Part of speech: Noun, Plural
Last Updated: 13 June 2011
English: Spend Data Analysis
Welsh: Dadansoddi Data Gwariant
Status C
Subject: Finance and statistics
Part of speech: Verb
Last Updated: 13 June 2011
English: Spend Healthy, Live Healthy
Welsh: Gwario’n Iach, Byw’n Iach
Status B
Subject: Education
Part of speech: Proper noun
Notes: Is-deitl Wythnos Genedlaethol Arian Myfyrwyr 2020
Last Updated: 30 January 2020
English: spending in annually managed expenditure
Welsh: gwario mewn gwariant a reolir yn flynyddol
Status C
Subject: Finance and statistics
Part of speech: Verb
Last Updated: 4 October 2005
English: spending on annually managed expenditure
Welsh: gwario ar wariant a reolir yn flynyddol
Status C
Subject: Finance and statistics
Part of speech: Verb
Last Updated: 4 October 2005
English: spending plan
Welsh: cynllun gwariant
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 15 July 2005
English: spending power
Welsh: grym gwario
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 24 January 2013
English: spending pressures
Welsh: pwysau ar wariant
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 21 July 2022
English: Spending Programme Area
Welsh: Maes y Rhaglen Wariant
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: When referring to one programme only.
Last Updated: 12 October 2005
English: Spending Programme Area
Welsh: Maes Rhaglenni Gwariant
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: SPA
Last Updated: 12 October 2005
English: Spending Programme summary
Welsh: crynodeb o Raglenni Gwariant
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 12 October 2005
English: spending review
Welsh: adolygiad gwariant
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Plural: adolygiadau gwariant
Definition: Y broses y mae'r llywodraeth yn ei defnyddio i osod cyllidebau pob adran ar gyfer y blynyddoedd sydd i ddod.
Last Updated: 18 June 2025
English: spending round
Welsh: cylch gwario
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: cylchoedd gwario
Context: Yn dilyn cylch gwario Llywodraeth y DU, ar sail gyfatebol bydd ein cyllideb yn 2020-21 yn dal i fod 2% neu £300m yn is mewn termau real na degawd yn gynt yn 2010-11.
Last Updated: 7 November 2019
English: spend to save
Welsh: gwario i arbed
Status C
Subject: Finance and statistics
Part of speech: Verb
Last Updated: 13 May 2011
English: spent conviction
Welsh: euogfarn wedi'i disbyddu
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: euogfarnau wedi'u disbyddu
Definition: A conviction that, after a specified number of years known as a rehabilitation period, may in all subsequent civil proceedings be treated as if it had never existed.
Last Updated: 14 January 2016
English: spent grain
Welsh: grawn a ddisbyddwyd
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Definition: Grawn sy'n sgil-gynnyrch prosesau bragu.
Last Updated: 11 April 2024
English: spent hen
Welsh: iâr hesb
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Plural: ieir hesb
Last Updated: 4 June 2018
English: spent nuclear fuel
Welsh: tanwydd niwclear a ddisbyddwyd
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: tanwyddau niwclear a ddisbyddwyd
Last Updated: 23 March 2021
English: spent provision
Welsh: darpariaeth a ddisbyddwyd
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: darpariaethau a ddisbyddwyd
Definition: Darpariaeth ddeddfwriaethol sy’n berthnasol i sefyllfa na all fodoli bellach, megis darpariaeth sy’n cyflwyno swyddogaeth na ellir ei hailddefnyddio.
Last Updated: 15 December 2022
English: SPF
Welsh: Y Fframwaith Polisi Diogelwch
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r acronym Saesneg a ddefnyddir am Security Policy Framework.
Last Updated: 5 May 2023
English: SPF
Welsh: Y Gronfa Ffyniant Gyffredin
Status A
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Notes: Dyma’r acronym Saesneg a ddefnyddir am y Shared Prosperity Fund.
Last Updated: 8 June 2023
English: SPFP
Welsh: Cynllunio Strategol, Cyllid a Pherfformiad
Status C
Subject: Welsh Government posts and departments
Part of speech: Verb
Context: Strategic Planning, Finance and Performance
Last Updated: 26 January 2011
English: SPG
Welsh: canllawiau cynllunio atodol
Status C
Subject: Planning
Part of speech: Noun, Plural
Definition: supplementary planning guidance
Last Updated: 21 July 2005
English: SPG
Welsh: Grant Prynu Eitemau
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Specimen Purchase Grant
Last Updated: 12 October 2005
English: sphere
Welsh: sffêr
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: sfferau
Definition: Yng nghyd-destun gofal llygaid, term a ddefnyddir pan fydd y cywiriad sydd ei angen ar gyfer golwg byr neu olwg hir yn sfferig, hynny yw yn gyfartal i bob rhan o'r llygad. Bydd graddfa'r sffêr yn dylanwadu ar y nerth lens sydd ei angen i gywiro'r golwg, a dynodir hyn gan rif a elwir yn dioptr (D), ee sffêr 6D.
Context: That supplement will be paid for prescriptions within the 4-6D sphere range of voucher A to enable non stock lens solutions for an improved cosmetic appearance.
Last Updated: 13 February 2024
English: spherical power
Welsh: nerth sfferig
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun gofal llygaid.
Last Updated: 21 February 2024
English: SPI
Welsh: SPI
Status B
Subject: Social services
Part of speech: Verb
Definition: Sharing Personal Information
Last Updated: 6 April 2011
English: SPI
Welsh: SPI
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Context: Mae CThEM yn llunio set ddata at ddibenion dadansoddi o'r enw yr Arolwg o Incwm Personol (SPI) sy'n cwmpasu pob blwyddyn drethi.
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am yr Arolwg o Incwm Personol / Survey of Personal Incomes.
Last Updated: 25 October 2017
English: SPI-B
Welsh: Y Grŵp Gwyddonol ar Ffliw Pandemig - Ymddygiadau
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am y Scientific Pandemic Influenza Group on Behaviours.
Last Updated: 21 May 2020
English: SPICT
Welsh: Cefnogi Cymryd Rhan drwy TGCh
Status B
Subject: Social services
Part of speech: Proper noun, Masculine, Singular
Definition: Supporting Participation through ICT
Last Updated: 6 September 2012
English: spider crab
Welsh: cranc heglog
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Plural: crancod heglog
Definition: Crancod o uwchdeulu Majoidea
Last Updated: 14 March 2019
English: spider diagram
Welsh: diagram gwe pry cop/corryn
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last Updated: 14 January 2003
English: spike a drink
Welsh: sbeicio diod
Status A
Subject: Health
Part of speech: Verb
Last Updated: 9 October 2013
English: spike antibody
Welsh: gwrthgorff sbigyn
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwrthgyrff sbigyn
Last Updated: 19 August 2021
English: Spiked?
Welsh: Diodydd Diogel Digyffur
Status C
Subject: Health
Part of speech: Noun, Plural
Definition: cyfieithiad o ymgyrch yr Heddlu gan gyfieithwyr Heddlu Dyfed Powys
Last Updated: 10 January 2003
English: spiked drink
Welsh: diod wedi'i sbeicio
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: diodydd wedi'u sbeicio
Last Updated: 23 September 2025
English: spike protein
Welsh: protein sbigyn
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: proteinau sbigyn
Definition: Protein sy'n codi o arwyneb feirws, megis coronafeirws, ac a ddefnyddir gan y feirws i ymlynu at gelloedd yr organeb y mae'n ceisio atgynhyrchu ynddi.
Last Updated: 13 July 2020