TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: seilwaith strategol
English: strategic infrastructure
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 29 March 2007
Welsh: Seilwaith sy'n Gysylltiedig â Thwristiaeth
English: Tourism Related Infrastructure
Status C
Subject: Finance and statistics
Part of speech: Proper noun
Context: Maes yn y gyllideb.
Last updated: 5 March 2015
Welsh: seilwaith telathrebu
English: telecommunications infrastructure
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 3 October 2005
Welsh: seilwaith telathrebu symudol
English: mobile infrastructure
Status A
Subject: ICT
Part of speech: Noun, Masculine, Singular
Context: For telecommunications.
Last updated: 10 October 2013
Welsh: seilwaith trafnidiaeth
English: transport infrastructure
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last updated: 27 October 2020
Welsh: seilwaith y grid trydan
English: electricity grid infrastructure
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 13 August 2020
Welsh: Seilwaith Ymchwil Glinigol
English: Clinical Research Infrastructure
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 10 November 2010
Welsh: seilwaith ynni'r môr
English: marine energy infrastructure
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: Cwblhau ein prosiect seilwaith ynni’r môr er mwyn nodi safleoedd strategol ar gyfer datblygiadau tonnau a ffrwd llanw a’r camau ehangach y bydd angen eu cymryd i’w cefnogi.
Last updated: 5 September 2019
Welsh: seilwaith y prif rwydwaith
English: key network infrastructure
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Context: Heolydd.
Last updated: 12 December 2011
Welsh: seilwaith y safle
English: site architecture
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last updated: 21 July 2011
Welsh: seilwaith ysgolion
English: school infrastructure
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 3 October 2005
Welsh: Seilwaith Ysgolion
English: Schools Infrastructure
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Teitl cyllideb
Last updated: 7 January 2008
Welsh: seinchwyddwr
English: amplifier
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 25 July 2005
Welsh: seinegol
English: phonetic
Status B
Subject: Culture and the arts
Part of speech: Adjective
Definition: Yn disgrifio sut mae seiniau yn cael eu cynhyrchu.
Notes: Term o faes ieithyddiaeth a ddefnyddir mewn deunyddiau sy’n gysylltiedig â CEFR, y Fframwaith Cyfeirio Cyffredin Ewropeaidd ar gyfer Ieithoedd.
Last updated: 2 October 2025
Welsh: seinfwrdd
English: sounding board
Status B
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Plural: byrddau seinio
Definition: Sgrin y tu ôl i bulpud neu lwyfan i daflu llais siaradwr at y gynulleidfa.
Notes: Mae’n annhebyg y bydd y ffurf Gymraeg ar y term technegol hwn yn addas ar gyfer trosi ‘sounding board’ mewn ystyron ffigurol.
Last updated: 19 December 2022
Welsh: seinfwrdd
English: soundboard
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Plural: seinfyrddau
Definition: Yng nghyd-destun offerynnau cerdd llinynnol, arwyneb y mae’r llinynnau yn dirgrynu yn ei erbyn er mwyn chwyddo’r sain.
Last updated: 22 December 2022
Welsh: Seinio'n Iach: cerddoriaeth ar gyfer ysbytai gan gerddorion gwirfoddol lleol
English: Healthy Sounds: music for hospitals provided by local voluntary musicians
Status C
Subject: Tourism and leisure
Part of speech: Neutral
Last updated: 10 July 2008
Welsh: seinod
English: soundmark
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: seinodau
Definition: Sŵn amlwg a neilltuol y mae pobl yn ei gysylltu â lleoliad neu ardal benodol, er enghraifft tonnau'r môr, synau amaethyddol a gwynt, yn ogystal â synau sy'n gysylltiedig â diwylliant megis cerddoriaeth, clychau, clociau ac ati.
Notes: Yng nghyd-destun sŵn amgylcheddol. Mae'r term hwn, yn Gymraeg a Saesneg, yn adeiladu ar dermau tebyg fel landmark/tirnod.
Last updated: 3 February 2022
Welsh: seinwedd
English: soundscape
Status A
Subject: Planning
Part of speech: Noun, Feminine, Singular
Plural: seinweddau
Definition: Yr amgylchedd acwstig fel y'i canfyddir neu y'i profir a/neu y'i deellir gan berson neu bobl, mewn cyd-destun penodol.
Notes: Yng nghyd-destun sŵn amgylcheddol.
Last updated: 26 January 2023
Welsh: seinwedd briodol
English: appropriate soundscape
Status B
Subject: Planning
Part of speech: Noun, Feminine, Singular
Plural: seinweddau priodol
Definition: Yr amgylchedd acwstig iawn ar yr adeg iawn ac yn y lle iawn (o safbwynt y defnyddiwr), y gellir ei greu drwy ddylunio acwstig da, dylunio seinwedd da neu gyfuniad o'r ddau.
Notes: Yng nghyd-destun sŵn amgylcheddol.
Last updated: 3 February 2022
Welsh: seinydd
English: loudspeaker
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: seinydd
English: speaker
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: sain
Last updated: 24 February 2006
Welsh: seinydd larwm tân
English: fire alarm sounder
Status C
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Last updated: 9 February 2009
Welsh: seiri maen
English: masons
Status C
Subject: Estates and Cadw
Part of speech: Noun, Plural
Last updated: 22 May 2006
Welsh: Seiriol
English: Seiriol
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Ynys Môn. Dyma'r enwau Cymraeg a Saesneg a ragnodwyd ar gyfer y ward yng Ngorchymyn Sir Ynys Môn (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: Seisnig
English: English
Status C
Subject: Personnel
Part of speech: Adjective
Definition: Gwefan ORMS.
Last updated: 9 October 2006
Welsh: seisnigeiddio
English: anglicise
Status C
Subject: Education
Part of speech: Verb
Last updated: 28 June 2006
Welsh: SEJWG
English: SEJWG
Status C
Subject: Economic development
Definition: Social Enterprise Joint Working Group
Last updated: 24 May 2005
Welsh: Seland Newydd
English: New Zealand
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last updated: 17 August 2021
Welsh: Selattyn
English: Selattyn
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Lle yn Lloegr.
Last updated: 2 May 2013
Welsh: seleniwm
English: selenium
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Se
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: seler
English: cellar
Status B
Subject: Planning
Part of speech: Noun, Feminine, Singular
Plural: selerau
Last updated: 15 January 2026
Welsh: seler fowtiau baril
English: barrel-vaulted cellar
Status C
Subject: Estates and Cadw
Part of speech: Noun, Feminine, Singular
Last updated: 9 January 2006
Welsh: seleri
English: celery
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 27 January 2004
Welsh: seleriac
English: celeriac
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 31 March 2009
Welsh: seleriac
English: German celery
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 31 March 2009
Welsh: seleriac
English: rooted celery
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 31 March 2009
Welsh: seler storio
English: cellar store
Status C
Subject: Housing
Part of speech: Noun, Feminine, Singular
Last updated: 26 May 2010
Welsh: selio rhychau
English: fissure sealant
Status B
Subject: Health
Part of speech: Verb
Last updated: 13 September 2018
Welsh: selogion
English: enthusiasts
Status B
Subject: Tourism and leisure
Part of speech: Noun, Plural
Last updated: 29 March 2006
Welsh: semaglwtid
English: semaglutide
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Cyffur generig ar gyfer rheoli diabetes.
Last updated: 3 May 2024
Welsh: semen
English: semen
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 17 March 2004
Welsh: semen buchol
English: bovine semen
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 5 March 2008
Welsh: semen moch wedi'i rewi
English: frozen pig semen
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Genetic context.
Last updated: 23 November 2007
Welsh: semen wedi'i brosesu
English: processed semen
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: agriculture
Last updated: 10 September 2003
Welsh: semen wedi'i rywio
English: sexed semen
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 18 March 2026
Welsh: seminar
English: seminar
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last updated: 28 January 2005
Welsh: Seminar ar y Rhaglen Ddatganoli
English: Devolution Programme Seminar
Status C
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Last updated: 15 March 2004
Welsh: Seminar Chwilio am Waith
English: Jobsearch Seminar
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Definition: DWP term
Last updated: 13 February 2003
Welsh: seminar codi ymwybyddiaeth am arallgyfeirio
English: diversification awareness seminar
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Un o raglenni Cyswllt Ffermio.
Last updated: 15 February 2010