TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: ymsefydlu
English: become established
Status A
Subject: Environment
Part of speech: Verb
Notes: Yng nghyd-destun rhywogaethau mewn cynefinoedd newydd.
Last updated: 22 April 2025
Welsh: ymsuddiant
English: subsidence
Status A
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 30 April 2024
Welsh: Ymuno i Drechu Problemau Drwg
English: Ganging-up on the Wicked Issues
Status C
Subject: Social services
Part of speech: Verb
Last updated: 12 June 2007
Welsh: Ymunwch Nawr!
English: Sign Up Now
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
Welsh: Ymunwch â'n tim gwych ni!
English: Join Our Greatest Team
Status A
Subject: Tourism and leisure
Part of speech: Proper noun
Context: Slogan i'r Gemau Olympaidd.
Last updated: 21 October 2014
Welsh: Ymunwch â Siarter Datblygu Cynaliadwy Cymru
English: Sign up to Wales' Sustainable Development Charter
Status A
Subject: Environment
Part of speech: Neutral
Context: Strapline on banner.
Last updated: 20 May 2010
Welsh: ymwadiad
English: disclaimer
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: ymwadiadau
Definition: Datganiad sy’n gwadu cyfrifoldeb am rywbeth, neu unrhyw gysylltiad ag ef, yn arbennig er mwyn eithrio’r sawl sy’n gwneud y datganiad rhag atebolrwydd cyfreithiol.
Last updated: 27 January 2026
Welsh: ymwadu
English: disclaim
Status B
Subject: Law
Part of speech: Verb
Definition: Gwadu cyfrifoldeb am rywbeth, neu unrhyw gysylltiad ag ef, yn arbennig er mwyn eithrio’r sawl sy’n gwneud y datganiad rhag atebolrwydd cyfreithiol.
Context: Pan ymwedir o dan adran 178 neu 315 o Ddeddf Ansolfedd 1986 ag unrhyw eiddo mewn perthynas â phrosiect, rhaid i’r person sy’n ymwadu â’r eiddo, o fewn 28 o ddiwrnodau sy’n dechrau â’r dyddiad y cafodd yr ymwadiad effaith, roi i’r awdurdod rheolaeth adeiladu gopi o’r hysbysiad o ymwadiad o dan reol 19.2 o Reolau 2016.
Last updated: 27 January 2026
Welsh: ymwahaniad bar
English: bar separation
Status C
Subject: Law
Part of speech: Noun
Definition: Charities cannot run a bar or trading activity on a regular basis without committing a breach of trust and incurring a tax liability. You must separate your bar and trading from the charitable activities of your organisation. Simply keeping a separate set of accounts or having a bar sub-committee is not enough.
Last updated: 11 March 2003
Welsh: ymweld
English: sightseeing
Status B
Subject: Tourism and leisure
Part of speech: Verb
Definition: ymweld â rhywle
Last updated: 29 March 2006
Welsh: ymweld â ffrindiau a pherthnasau
English: VFR
Status C
Subject: Tourism and leisure
Part of speech: Verb
Definition: visiting friends and relatives
Last updated: 27 October 2006
Welsh: ymweld â ffrindiau a pherthnasau
English: visiting friends and relatives
Status C
Subject: Tourism and leisure
Part of speech: Verb
Definition: VFR
Last updated: 27 October 2006
Welsh: Ymweld â Mam
English: Visiting Mum
Status B
Subject: Social services
Part of speech: Proper noun
Notes: Teitl cwrteisi ar gyfer rhaglen gan Lywodraeth y DU.
Last updated: 6 March 2025
Welsh: ymweliad
English: viewing
Status A
Subject: Housing
Part of speech: Noun, Masculine, Singular
Definition: Of a house or flat.
Last updated: 28 May 2014
Welsh: ymweliad astudio
English: study visit
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 27 January 2010
Welsh: Ymweliadau a Phrotocol Rhyngwladol
English: International Visits and Protocol
Status C
Subject: Economic development
Part of speech: Noun, Plural
Last updated: 1 December 2006
Welsh: ymweliadau casglu samplau
English: sampling visits
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 19 May 2003
Welsh: ymweliadau o dramor
English: overseas visits
Status C
Subject: Tourism and leisure
Part of speech: Noun, Plural
Last updated: 26 January 2009
Welsh: ymweliad Diogel ac Iach
English: Safe and Well visit
Status B
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Plural: ymweliadau Diogel ac Iach
Last updated: 18 May 2023
Welsh: ymweliad dirybudd
English: unannounced visit
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: CSIW
Last updated: 29 April 2003
Welsh: Ymweliad lle rhoddwyd rhybudd
English: Announced visit
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: CSIW
Last updated: 29 April 2003
Welsh: ymweliad safle
English: site visit
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 22 February 2006
Welsh: Ymweliad Tramor i Ddatblygu Busnes
English: OBDV
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Notes: Y teitl Cymraeg llawn ar gyfer Overseas Business Development Visit / OBDV
Last updated: 20 July 2023
Welsh: Ymweliad y Cynghorydd Ffermwyr
English: Farm Advisory Visit
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 15 February 2010
Welsh: ymweliad ymgyfarwyddo
English: familiarisation visit
Status C
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last updated: 3 May 2007
Welsh: Ymweliad yr Archwiliad Perfformiad - Gwasanaethau Tai
English: Performance Audit Visit - Housing Services
Status C
Subject: Housing
Part of speech: Noun, Masculine, Singular
Last updated: 24 September 2002
Welsh: Ymwelwyr
English: Visitors
Status C
Subject: General
Part of speech: Noun, Plural
Last updated: 17 December 2002
Welsh: ymwelwyr a oedd yn aros dros nos
English: staying visitors
Status C
Subject: Tourism and leisure
Part of speech: Noun, Plural
Last updated: 26 January 2009
Welsh: ymwelwyr dychwel
English: repeat visitors
Status B
Subject: Tourism and leisure
Part of speech: Noun, Plural
Last updated: 29 March 2006
Welsh: Ymwelwyr Prifysgolion
English: University Visitors
Status C
Subject: Education
Part of speech: Noun, Plural
Definition: Swydd ffurfiol sy'n delio â chwynion etc. gan fyfyrwyr.
Last updated: 29 July 2004
Welsh: ymwelwyr rhyngwladol
English: international visitors
Status C
Subject: Tourism and leisure
Part of speech: Noun, Plural
Last updated: 1 November 2010
Welsh: ymwelydd
English: visitor
Status A
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Plural: ymwelwyr
Last updated: 11 November 2024
Welsh: ymwelydd dalfeydd
English: custody visitor
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 29 August 2012
Welsh: ymwelydd iechyd
English: health visitor
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: ymwelwyr iechyd
Last updated: 18 February 2025
Welsh: ymwelydd tramor
English: overseas visitor
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: ymwelwyr tramor
Notes: Dyma'r term a ddefnyddir yn y ddeddfwriaeth sy'n ymwneud â defnydd unigolion nad ydynt yn ddinasyddion y Deyrnas Unedig o'r Gwasanaeth Iechyd Gwladol.
Last updated: 21 September 2017
Welsh: Y Mwmbwls
English: Mumbles
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Ninas a Sir Abertawe. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Dinas a Sir Abertawe (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: Ymwneud
English: Relating
Status C
Subject: Personnel
Part of speech: Verb
Definition: One of the four performance management competencies 2011-2012.
Last updated: 7 June 2011
Welsh: ymwneud
English: involvement
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Context: Mae rhoi amser i mi allu chwarae yn bwysig i mi a bydda i’n dangos lefelau uwch o ymwneud ac o lesiant pan fyddaf yn cael amser a lle i wneud hynny.
Notes: Daw'r frawddeg gyd-destunol o Fframwaith Ansawdd Chwarae, Dysgu a Gofal Plentyndod Cynnar.
Last updated: 2 October 2024
Welsh: ymwneud cynnar gan gontractwr
English: early contractor involvement
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last updated: 18 February 2005
Welsh: ymwrthedd
English: resistance
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: eg to a disease
Last updated: 19 April 2007
Welsh: ymwrthedd genetig i rywbeth
English: genetic resistance
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2004
Welsh: ymwrthedd gwrthficrobaidd
English: antimicrobial resistance
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Gallu micro-organebau (fel bacteria, feirysau a pharaseitiaid) i rwystro cyffur gwrthficrobaidd (fel gwrthfiotigau a meddyginiaethau gwrthfeirysol a gwrthmalaria) rhag gweithio yn eu herbyn.
Notes: Mae’n bosibl y gallai’r ffurf hirach “ymwrthedd i gyffuriau gwrthficrobaidd” fod yn fwy hunanesboniadol mewn rhai testunau.
Last updated: 1 May 2024
Welsh: ymwrthedd i glefyd y crafu
English: scrapie resistance
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 16 November 2005
Welsh: ymwrthedd i gyffuriau
English: drug resistance
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 7 June 2007
Welsh: ymwrthedd i inswlin
English: insulin resistance
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 7 March 2008
Welsh: ymwrthedd llwyr i
English: fully resistant to
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 6 July 2005
Welsh: ymwrthedd naturiol i
English: natural resistance to
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 3 October 2003
Welsh: ymwrthod
English: disclaim
Status B
Subject: Law
Part of speech: Verb
Definition: Gweithredu'n wirfoddol i wrthod hawl cyfreithiol i rywbeth.
Last updated: 27 January 2026
Welsh: ymwrthod â chyffyrddiad
English: tactile defensiveness
Status A
Subject: Health
Part of speech: Verb
Definition: Patrwm o ymatebion ymddygiadol neu emosiynol negyddol a gormodol sy'n mynegi atgasedd i rai mathau o gyffyrddiadau na fyddai'n amhleserus i'r rhan fwyaf o bobl.
Last updated: 9 January 2020
Welsh: ymwrthodiad
English: disclaimer
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: ymwrthodiadau
Definition: Gweithred wirfoddol o wrthod hawl cyfreithiol i rywbeth.
Last updated: 27 January 2026