TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: falfiau gwrthlosgi
English: anti-scald valves
Status C
Subject: Planning
Part of speech: Noun, Plural
Last updated: 5 October 2005
Welsh: falfiau thermostatig rheiddiadur
English: thermostatic radiator valves
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: TRVs
Last updated: 26 January 2009
Welsh: falfiau thermostatig rheiddiadur
English: TRVs
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: thermostatic radiator valves
Last updated: 25 April 2012
Welsh: falf rheoli llygredd
English: pollution control valve
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last updated: 23 October 2003
Welsh: falf y galon
English: heart valve
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: Lluosog: falfiau'r galon.
Last updated: 14 August 2013
Welsh: falf ynysu llygredd
English: pollution isolation valve
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last updated: 23 October 2003
Welsh: Family Housing Association Ltd
English: Family Housing Association Ltd
Status C
Subject: Housing
Last updated: 12 June 2006
Welsh: Fampirod Ynni
English: Energy Vampiers
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: Un o raglenni 'Cadwch Gymru'n Daclus'.
Last updated: 5 April 2011
Welsh: fanadiwm
English: vanadium
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: V
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: faniau sy'n deillio o geir
English: car derived vans
Status C
Subject: Transport
Part of speech: Noun, Plural
Last updated: 6 May 2005
Welsh: FareShare
English: FareShare
Status A
Subject: Social services
Part of speech: Proper noun
Definition: Registered UK charity.
Last updated: 18 June 2013
Welsh: farisela
English: varicella
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r term meddygol technegol am chickenpox / brech yr ieir. Sylwer y Cymreigir y ffurf sy’n enw ar yr haint, ond nid enw’r feirws ei hun, Varicella-zoster.
Last updated: 6 November 2025
Welsh: farnais fflworid
English: fluoride varnish
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 10 July 2012
Welsh: Farndon
English: Farndon
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Lle yn Lloegr.
Context: Nid Rhedynfre.
Last updated: 2 May 2013
Welsh: fasdoriad
English: vasectomy
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 5 March 2007
Welsh: fasoymledydd i’r ymennydd
English: cerebral vasodilator
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: fasoymledyddion i’r ymennydd
Last updated: 6 November 2019
Welsh: Fast Growth 50
English: Fast Growth 50
Status A
Subject: Economic development
Part of speech: Proper noun
Definition: Cystadleuaeth flynyddol i fusnesau entrepreneuraidd yng Nghymru
Last updated: 25 July 2017
Welsh: Fast Track Caerdydd
English: Fast Track Cardiff
Status A
Subject: Personnel
Part of speech: Proper noun
Last updated: 24 June 2021
Welsh: Fast Track Cities
English: Fast Track Cities
Status A
Subject: Personnel
Part of speech: Proper noun
Last updated: 24 June 2021
Welsh: FAW
English: FAW
Status B
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Definition: Football Association of Wales
Last updated: 18 February 2005
Welsh: F&CSD
English: F&CSD
Status A
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Notes: Enw llawn: Yr Is-adran Cyllid a Gwasanaethau Corfforaethol. Rhan o’r Grŵp Addysg a Gwasanaethau Cyhoeddus yn Llywodraeth Cymru. Ychwanegwyd y cofnod hwn Ionawr 2016.
Last updated: 12 January 2016
Welsh: FCSGC
English: NWSMF
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: North Wales Substance Misuse Forum
Last updated: 12 February 2007
Welsh: FDSW
English: FDSW
Status C
Subject: Social services
Definition: Federation of Disability Sport Wales
Notes: Gweler yr erthygl ar y Model Cymdeithasol o Anabledd yn yr Arddulliadur. Yn unol â'r Model, mae amhariad ("impairment", a elwid yn "nam" o'r blaen) yn nodwedd ar berson, a all effeithio ar ei ymddangosiad neu ar sut y mae ei gorff neu ei feddwl yn gweithio; caiff pobl anabl (y gellir hefyd cyfeirio atynt fel "pobl anabledig" neu "bobl sy'n cael eu hanablu") eu hanablu gan ffactorau allanol fel yr amgylchedd, polisi neu arferion, neu yn sgil methiant i ddarparu addasiadau ar eu cyfer; ac anabledd yw canlyniad anablu pobl sydd ag amhariadau. 
Last updated: 17 November 2023
Welsh: fector
English: vector
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 3 June 2008
Welsh: fector clefyd allanol
English: external disease vector
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: 2. Fectorau clefyd allanol – nid yw cartrefi gofal yn systemau caeedig ac mae risg gynhenid y caiff COVID-19 ei gyflwyno drwy bwyntiau mynediad.
Last updated: 21 May 2020
Welsh: fector haint mewnol
English: internal infection vector
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: 3. Fectorau haint mewnol – Mae'n debygol y bydd gan gartrefi gofal mesur uchel o drosglwyddo heintiau yn fewnol oherwydd symudedd a natur anrhagweladwy'r cleifion
Last updated: 21 May 2020
Welsh: Fedra i Weithio
English: I Can Work
Status A
Subject: Health
Part of speech: Proper noun
Notes: Prosiect i ddarparu cymorth iechyd a chyflogadwyedd integredig, er mwyn cefnogi pobl sy'n gwella o anhwylder meddwl i gael gwaith.
Last updated: 14 April 2022
Welsh: Fedw
English: The Fedw
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Sir Fynwy
Last updated: 14 August 2003
Welsh: feirol
English: viral
Status B
Subject: ICT
Part of speech: Adjective
Definition: Ansoddair i ddisgrifio deunydd neu wybodaeth a ledaenir yn sydyn ac yn eang drwy gyfryngau digidol.
Last updated: 1 July 2021
Welsh: feiroleg
English: virology
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 11 May 2006
Welsh: feirws
English: virus
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: feirysau
Last updated: 26 March 2020
Welsh: feirws adenydd wedi'u hanffurfio
English: deformed wing virus
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2020
Welsh: feirws a gludir yn y gwaed
English: blood-borne virus
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: feirysau a gludir yn y gwaed
Last updated: 11 September 2024
Welsh: feirws ailgyfunol asid niwclëig
English: recombinant virus of nucleic acid
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: feirysau ailgyfunol asid niwclëig
Last updated: 11 June 2020
Welsh: feirws amlenedig
English: enveloped virus
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: feirysau amlenedig
Definition: Feirws sydd â gorchudd ("amlen") allanol.
Last updated: 15 August 2024
Welsh: feirws benthyg
English: viral surrogate
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: feirysau benthyg
Definition: Feirws a ddefnyddir yn lle feirws y dymunir arbrofi arno, mewn profion gwyddonol, oherwydd ei nodweddion tebyg.
Last updated: 4 February 2021
Welsh: feirws Ceffyl Pren Troea
English: Trojan Horse virus
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 5 December 2011
Welsh: feirws crychu dail mafon
English: raspberry leaf curl virus
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 19 December 2024
Welsh: feirws cyfansawdd
English: reassortant virus
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: A virus with gene segments derived from more than one virus, achieved by co-infection of a single cell by these viruses..
Last updated: 27 April 2009
Welsh: feirws cyfansawdd triphlyg
English: triple reassortant virus
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: A virus with gene segments derived from more than one virus, achieved by co-infection of a single cell by these viruses..
Last updated: 27 April 2009
Welsh: feirws dail rhathellog ceirios
English: cherry rasp leaf virus
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 19 December 2024
Welsh: feirws ffeiliau
English: file virus
Status A
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 8 April 2013
Welsh: feirws gwanwynol cerpynnod
English: spring viraemia of carp
Status C
Subject: Agriculture
Part of speech: Noun, Singular
Definition: SVC
Last updated: 21 July 2005
Welsh: feirws hepatitis B
English: hepatitis B virus
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: feirws herpes dynol math 8
English: human herpes virus type 8
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 8 December 2022
Welsh: feirws herpes dynol math 8
English: HHV-8
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r acronym Saesneg a ddefnyddir am ‘human herpes virus type 8’.
Last updated: 8 December 2022
Welsh: feirws herpes koi
English: koi herpes virus
Status C
Subject: Animals
Part of speech: Noun, Masculine, Singular
Last updated: 29 July 2004
Welsh: feirws herpes sy’n gysylltiedig â sarcoma Kaposi
English: Kaposi sarcoma associated herpes virus
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 8 December 2022
Welsh: feirws herpes sy’n gysylltiedig â sarcoma Kaposi
English: KSHV
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r acronym Saesneg a ddefnyddir am ‘Kaposi sarcoma associated herpes virus’.
Last updated: 8 December 2022
Welsh: feirws hyfyw
English: viable virus
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 25 June 2020