TermCymru

Results are displayed in alphabetical order.
Welsh: seibersgwatiwr
English: cybersquatter
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: seiberwydnwch
English: cyber resilience
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: Gallu sefydliadau i baratoi rhag ymosodiadau seiber ac achosion o dor diogelwch data, i ymateb iddynt ac i adfer wrthynt.
Last updated: 3 April 2025
Welsh: seiberymarfer
English: cyber exercising
Status B
Subject: ICT
Part of speech: Verb
Notes: Ffurf fer ar yr ymadrodd ‘exercising cyber incident management plans’.
Last updated: 3 June 2024
Welsh: seibiant byr
English: short break
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 1 March 2006
Welsh: seibiant gorffwys
English: rest break
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: neu 'egwyl'
Last updated: 23 September 2004
Welsh: seibiant/gorffwys digolledu
English: compensatory rest
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 26 October 2004
Welsh: seibiant gyrfa
English: career break
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 21 January 2003
Welsh: seibiant oddi wrth ofalu
English: break from caring
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 18 May 2012
Welsh: Seiciatreg Henaint
English: Psychiatry of Old Age
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 8 June 2011
Welsh: seiciatreg plant a phobl ifanc
English: child and adolescent psychiatry
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 13 June 2025
Welsh: seiciatrydd
English: psychiatrist
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: seiciatryddion
Last updated: 13 June 2025
Welsh: Seiciatrydd Plant
English: Child Psychiatrist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: Seiciatryddion Plant
Last updated: 30 August 2024
Welsh: seicloffosffamid
English: cyclophosphamide
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Cyffur a ddefnyddir fel rhan o driniaeth cemotherapi.
Last updated: 15 January 2025
Welsh: seiclon
English: cyclone
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 19 August 2008
Welsh: seicogymdeithasol
English: psychosocial
Status B
Subject: Health
Part of speech: Adjective
Last updated: 3 July 2024
Welsh: seicoleg a chwnsela
English: psychology and counselling
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 3 April 2008
Welsh: seicoleg addysg
English: educational psychology
Status B
Subject: Education
Part of speech: Noun, Feminine, Singular
Last updated: 24 April 2025
Welsh: Seicoleg Fforensig a Chlinigol
English: Forensic and Clinical Psychology
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 18 September 2025
Welsh: seicoleg gadarnhaol
English: positive psychology
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 20 June 2012
Welsh: Seicoleg Glinigol
English: Clinical Psychology
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 9 February 2011
Welsh: seicolegydd
English: psychologist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 5 September 2003
Welsh: seicolegydd addysg
English: educational psychologist
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: seciolegwyr addysg
Context: 7.47 Bydd angen ystyried a oes rhesymau dros danberfformiad, ar wahân i ADY, ac, os felly, a oes ffyrdd eraill mwy priodol o helpu'r plentyn i ddysgu, ee ei gyfeirio at seicolegydd addysg, gwasanaethau llesiant addysg, gwasanaethau cymdeithasol neu gyrff iechyd.
Last updated: 23 April 2020
Welsh: Seicolegydd Arbenigol
English: Specialist Psychologist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 December 2010
Welsh: seicolegydd clinigol
English: clinical psychologist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: seicolegwyr clinigol
Last updated: 30 August 2024
Welsh: seicolegydd clinigol ymgynghorol
English: consultant clinical psychologist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 17 January 2007
Welsh: seicolegydd cofrestredig
English: registered psychologist
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: seicolegydd cofrestredig
Notes: Mae'r term hwn yn gyfystyr â practitioner psychologist / ymarferydd seicoleg.
Last updated: 26 January 2022
Welsh: Seicolegydd Cwnsela Ymgynghorol
English: Consultant Counselling Psychologist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 23 January 2009
Welsh: Seicolegydd Cymwysedig, Grŵp Gofal Iechyd Arbenigol
English: Applied Psychologist in Healthcare Specialist Group
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 25 February 2013
Welsh: seicotherapi systemig
English: systemic psychotherapy
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 3 June 2008
Welsh: seicoweithredol
English: psychoactive
Status C
Subject: Health
Part of speech: Adjective
Last updated: 5 January 2011
Welsh: seidin
English: siding
Status B
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: seidins
Definition: Darn o drac byr wrth ochr rheilffordd.
Last updated: 15 September 2025
Welsh: seidr
English: cider
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 1 September 2004
Welsh: Seientiad Cristnogol
English: Christian Scientist
Status C
Subject: Religion
Part of speech: Noun, Masculine, Singular
Plural: Seientiaid Cristnogol
Last updated: 30 August 2024
Welsh: seiffno
English: siphon
Status A
Subject: Environment
Part of speech: Verb
Last updated: 17 January 2013
Welsh: seiffon
English: siphon
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 11 February 2004
Welsh: seiffon
English: syphon
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 29 July 2003
Welsh: seiliau caled
English: hardcore
Status C
Subject: Planning
Part of speech: Noun, Plural
Last updated: 17 October 2005
Welsh: seiliedig ar ddeunydd biolegol
English: bio-based
Status B
Subject: Environment
Part of speech: Adjective
Definition: Disgrifiad o ddeunydd a weithgynhyrchwyd o sylweddau sy'n deillio o organebau byw neu organebau a fu unwaith yn fyw.
Last updated: 14 November 2023
Welsh: seiliedig ar destunau
English: topic-driven
Status C
Subject: General
Part of speech: Adjective
Last updated: 14 June 2004
Welsh: seiliedig ar gryfderau
English: strengths-based
Status B
Subject: Health
Part of speech: Adjective
Last updated: 14 November 2023
Welsh: seiliedig ar waith
English: work-based
Status A
Subject: Education
Part of speech: Adjective
Definition: eg learning, education
Last updated: 14 June 2004
Welsh: seilnod siart
English: chart datum
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Lefel safonedig dŵr môr, y mae’r dyfnderoedd a ddynodir ar siart fordwyo yn cael eu mesur ohoni.
Notes: Cymharer â’r Ordnance Survey datum / seilnod yr Arolwg Ordnans, y mesurir uchderau ar y tir ohoni.
Last updated: 17 February 2025
Welsh: seilnod yr Arolwg Ordnans
English: OS datum
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Lefel safonedig dŵr môr, y mae’r cyfuchlinau a phwyntiau uchder ar fapiau tir yn cael eu mesur ohoni. Yn achos y DU, mae seilnod yr Arolwg Ordnans yn seiliedig ar fesuriad yn Newlyn, Cernyw.
Notes: Cymharer â chart datum / seilnod siart, y mesurir dyfnderoedd ar fapiau mordwyo ohoni.
Last updated: 17 February 2025
Welsh: seilnod yr Arolwg Ordnans
English: Ordnance Survey datum
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Lefel safonedig dŵr môr, y mae’r cyfuchlinau a phwyntiau uchder ar fapiau tir yn cael eu mesur ohoni. Yn achos y DU, mae seilnod yr Arolwg Ordnans yn seiliedig ar fesuriad yn Newlyn, Cernyw.
Notes: Cymharer â chart datum / seilnod siart, y mesurir dyfnderoedd ar fapiau mordwyo ohoni.
Last updated: 17 February 2025
Welsh: seilo
English: silo
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: seilos
Context: Rhaid i sylfaen y seilo, sylfaen a waliau ei danc elifiant a sianelau ac ochrau unrhyw bibellau fod yn anhydraidd.
Last updated: 1 October 2020
Welsh: seilwaith
English: infrastructure
Status A
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 30 April 2024
Welsh: Seilwaith ac ad-drefnu
English: Infrastructure and reconfiguration
Status C
Subject: Finance and statistics
Definition: Teitl cyllideb
Last updated: 23 April 2008
Welsh: seilwaith allweddi cyhoeddus
English: public key infrastructure
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: Set o rolau, polisïau, caledwedd, meddalwedd a gweithdrefnau i greu, rheoli, dosbarthu, defnyddio, storio a dirymu tystysgrifau digidol, ac i reoli prosesau amgryptio allweddi cyhoeddus.
Last updated: 17 October 2023
Welsh: seilwaith allweddi cyhoeddus
English: PKI
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am public key infrastructure. Sylwer y gallai'r acronym hwnnw fod yn addas wrth drosi acronymau cysylltiedig fel PKIaaS.
Last updated: 17 October 2023
Welsh: seilwaith allweddol
English: critical infrastructure
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 19 May 2022