TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: sylwedd rhestredig
English: listed substance
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 2 December 2004
Welsh: Sylwedd sy’n Peri Pryder Mawr Iawn
English: Substances of Very High Concern
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: Sylweddau sy’n Peri Pryder Mawr Iawn
Definition: Categori sy'n pennu bod sylwedd yn dod o fewn cwmpas y ddeddfwriaeth REACH.
Last updated: 27 June 2019
Welsh: sylwedd y gyfundrefn drosiannol
English: phase-in substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau'r gyfundrefn drosiannol
Notes: Categori o sylweddau a reolir o dan y Rheoliadau REACH. Mae'n bosibl y byddai "un o sylweddau'r gyfundrefn drosiannol" yn gweithio'n well mewn rhai cyd-destunau lle mae angen y ffurf unigol.
Last updated: 1 July 2021
Welsh: sylwedd ymbelydrol
English: radioactive substance
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sylweddau ymbelydrol
Last updated: 23 March 2021
Welsh: sylwi ac ymateb
English: attend and respond
Status B
Subject: Education
Part of speech: Verb
Definition: Proses ddwyran sy'n sail i ddull cyfathrebu dwyffordd. Arwyddocâd yr elfen ‘sylwi’ yw bod babi neu blentyn bach yn sylwi ar rywbeth neu rywun neu'n cymryd sylw ohono, ee edrych ar wyneb person pan fydd yn siarad. Arwyddocâd ‘ymateb’ yw bod y babi neu'r plentyn bach yn ymateb neu'n cyfathrebu'n ôl mewn rhyw ffordd, ee gwneud cyswllt llygad, gwenu, parablu neu ddynwared geiriau.
Notes: Term a ddefnyddir yn neunyddiau'r cwricwlwm.
Last updated: 20 August 2025
Welsh: Sylw i Gwsmeriaid
English: Customer Focus
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 10 June 2003
Welsh: Sylw yn ôl Symptomau
English: See on Symptom
Status A
Subject: Health
Part of speech: Verb
Definition: Methodoleg glinigol lle trefnir i weld cleifion pan fydd symptomau penodol yn ymddangos, yn hytrach nag ar ddyddiad a bennir ymlaen llaw.
Notes: Defnyddir yr acronym SOS yn y ddwy iaith
Last updated: 16 April 2020
Welsh: symbiosis diwydiannol
English: industrial symbiosis
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 30 March 2006
Welsh: symbol arian
English: currency symbol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: symbol at
English: at-symbol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: symbolau
English: symbol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: symbolau amrywiol
English: miscellaneous symbols
Status B
Subject: ICT
Part of speech: Noun, Plural
Last updated: 19 July 2005
Welsh: symbol clwyd
English: hash symbol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: symbol nodchwiliwr
English: wildcard symbol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: symbylu'r galw
English: stimulation of demand
Status C
Subject: Economic development
Part of speech: Verb
Last updated: 14 June 2004
Welsh: symbylu’r nerf sacrol
English: sacral nerve stimulation
Status C
Subject: Health
Part of speech: Verb
Context: Diolch am eich e-bost pellach ar 28 Awst ar ran eich etholwr yn gofyn am gadarnhad o'r amserlen ar gyfer gweithredu argymhellion y Grŵp Gorchwyl a Gorffen ar Anymataliaeth Ysgarthol, a chanlyniad adolygiad Technoleg Iechyd Cymru o ddefnydd triniaeth Symbylu'r Nerf Sacrol.
Last updated: 26 September 2019
Welsh: Symiau Bach o Gymorth Ariannol
English: Small Amounts of Financial Assistance
Status B
Subject: Finance and statistics
Part of speech: Noun, Plural
Notes: Elfen o gymorth ariannol o dan y Cytundeb Masnach a Chydweithredu rhwng yr UE a’r DU.
Last updated: 21 July 2022
Welsh: Symiau Bach o Gymorth Ariannol
English: SAFA
Status B
Subject: Finance and statistics
Part of speech: Noun, Plural
Notes: Dyma'r acronym Saesneg a ddefnyddir am Small Amounts of Financial Assistance.
Last updated: 21 July 2022
Welsh: symiau canlyniadol
English: consequentials
Status B
Subject: Finance and statistics
Part of speech: Noun, Plural
Last updated: 21 February 2005
Welsh: symiau cynhaliaeth cymudedig
English: commuted maintenance sums
Status C
Subject: Finance and statistics
Part of speech: Noun, Plural
Last updated: 23 February 2024
Welsh: Symiau Dyddiol a Argymhellir
English: Recommended Daily Allowances
Status B
Subject: Food
Part of speech: Noun, Feminine, Plural
Last updated: 8 March 2012
Welsh: symiau/ffigurau cyfanredol
English: aggregate amounts/figures
Status C
Subject: Local government
Part of speech: Noun, Plural
Last updated: 2 November 2010
Welsh: symiau gostyngol
English: discounted amounts
Status C
Subject: Finance and statistics
Part of speech: Noun, Plural
Last updated: 18 January 2007
Welsh: symiau mawr o fwydydd o ansawdd da am bris rhesymol  
English: bulk quality foods
Status C
Subject: Food
Part of speech: Noun, Plural
Last updated: 29 October 2010
Welsh: symiau rhagnodedig
English: prescribed amounts
Status C
Subject: Law
Part of speech: Noun, Plural
Definition: payments
Last updated: 26 October 2004
Welsh: Symonds Yat
English: Symonds Yat
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Lle yn Lloegr
Last updated: 2 May 2013
Welsh: symposia
English: symposia
Status C
Subject: General
Part of speech: Noun, Plural
Definition: Cylchoedd trafod.
Last updated: 10 January 2007
Welsh: symposiwm
English: symposium
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: Cylch trafod.
Last updated: 10 January 2007
Welsh: Symposiwm ar Arwain y Newid i Reolaeth Integredig ar Gyflyrau Cronig
English: Leading the Change for Integrated Chronic Conditions Management Symposium
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Teitl adroddiad.
Last updated: 17 April 2008
Welsh: symptom
English: symptom
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: symptomau
Definition: Ym maes meddygaeth, agwedd oddrychol ar brofiad y claf o gyflwr meddygol a dim ond y claf all ei ddisgrifio, ee poen neu flinder.
Notes: Cymharer â "sign"/"arwydd".
Last updated: 7 January 2026
Welsh: symptom amhendant
English: vague symptom
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: symptomau amhendant
Notes: Gweler hefyd y cofnod am non-specific symptom / symptom amhenodol.
Last updated: 28 July 2022
Welsh: symptom amhenodol
English: non-specific symptom
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: symptomau amhenodol
Notes: Gweler hefyd y cofnod am vague symptom / symptom amhendant.
Last updated: 28 July 2022
Welsh: symptomatig
English: symptomatic
Status A
Subject: Health
Part of speech: Adjective
Notes: Mewn perthynas â chlefydau. Yn y rhan fwyaf o gyd-destunau, mae'n debyg o fod yn fwy addas defnyddio aralleiriad megis 'arddangos symptomau'.
Last updated: 26 March 2020
Welsh: symptomau tebyg i'r ffliw
English: flu-like symptoms
Status C
Subject: Health
Part of speech: Noun, Plural
Last updated: 6 February 2020
Welsh: symptom hirymarhous
English: prolonged symptom
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: symptomau hirymarhous
Last updated: 25 June 2020
Welsh: symud
English: move
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: symud amlinell
English: move outline
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: symud ar draws
English: lateral transfer
Status C
Subject: Personnel
Part of speech: Verb
Last updated: 23 October 2003
Welsh: symud claf o / ymaith
English: remove a patient
Status C
Subject: Health
Part of speech: Verb
Definition: Dibynnu ar y cyd-destun - tynnu claf oddi ar y rhestr, symud claf o'r ysbyty - angen 'o neu ymaith' i wahaniaethu rhwng 'move' a 'remove'.
Last updated: 25 June 2008
Welsh: symud coeden ymaith
English: removing a tree
Status A
Subject: Environment
Part of speech: Verb
Notes: Yng nghyd-destun y gyfundrefn gyfreithiol ar gyfer cynllunio. Gweithred a waherddir heb gydsyniad yr awdurdod cynllunio lleol os oes gorchymyn diogelu coed neu orchymyn diogelu coetir yn berthnasol i'r goeden dan sylw.
Last updated: 18 February 2026
Welsh: symud cwota
English: transactions
Status C
Subject: Agriculture
Part of speech: Verb
Definition: eg quota
Last updated: 29 July 2003
Welsh: symud cyfres data
English: move data series
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: Symud Cymru Ymlaen
English: Taking Wales Forward
Status A
Subject: Politics
Part of speech: Proper noun
Notes: Teitl rhaglen lywodraethu Llywodraeth Cymru, 2016-2021.
Last updated: 23 September 2016
Welsh: symud dalen
English: move sheet
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: symudedd
English: mobility
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Y graddau y bydd rhannau o'r gymdeithas yn symud o un man daearyddol i fan arall.
Context: Ar ôl cyfnod y cyfyngiadau symud roedd patrymau symudedd yng Nghymru a Lloegr yn weddol debyg.
Last updated: 10 September 2020
Welsh: symudedd
English: mobility
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Definition: Gallu pobl i groesi ffiniau gwledydd ar ymweliadau byr at ddibenion busnes neu academaidd.
Last updated: 10 June 2021
Welsh: symudedd economaidd
English: economic mobility
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 5 April 2011
Welsh: symudedd ffactorau
English: factor mobility
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 1 December 2003
Welsh: symudedd llafur
English: labour mobility
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 12 December 2011
Welsh: symudedd preswylfa
English: residential mobility
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Data ynghylch symudiad, neu ddiffyg symudiad, pobl o'r man lle maent yn preswylio.
Last updated: 9 December 2020