TermCymru

Results are displayed in Welsh alphabetical order A-Y

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

Welsh: Feirws Imiwnoddiffygiant Dynol

English: Human Immunodeficiency Virus

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: HIV

Last updated: 17 July 2006

Welsh: feirws necrosis coesau ffarwelau haf

English: chrysanthemum stem necrosis virus

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 22 September 2009

Welsh: Feirws Nîl y Gorllewin

English: West Nile Virus

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 11 May 2006

Welsh: Feirws Papiloma Dynol

English: HPV

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: Human Papilloma Virus

Last updated: 21 May 2008

Welsh: Feirws Papiloma Dynol

English: Human Papilloma Virus

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: HPV

Last updated: 21 May 2008

Welsh: feirws parasitig

English: parasitic virus

Status A

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 8 April 2013

Welsh: feirws parlys cronig y gwenyn

English: chronic bee paralysis virus

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Notes: Defnyddir yr acronym Saesneg CBPV am y term hwn.

Last updated: 23 September 2020

Welsh: feirws parlys cronig y gwenyn

English: CBPV

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Notes: Dyma'r acronym Saesneg a ddefnyddir am chronic bee paralysis virus.

Last updated: 23 September 2020

Welsh: feirws rhesog tybaco

English: tobacco streak virus

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 19 December 2024

Welsh: feirws syncytiol anadlol

English: respiratory syncytial virus

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: RSV. A virus that causes severe respiratory infections.

Last updated: 26 January 2010

Welsh: feirws syncytiol anadlol

English: RSV

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: Respiratory Syncytial Virus. A virus that causes severe respiratory infections.

Last updated: 26 January 2010

Welsh: feirws syndrom atgenhedlu ac anadlu pathogenig iawn y moch

English: highly pathogenic porcine reproductive and respiratory syndrome virus

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 27 January 2010

Welsh: feirws wedi'i anactifadu

English: inactivated virus

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: feirysau wedi'u hanactifadu

Last updated: 29 October 2020

Welsh: feirws y tafod glas

English: bluetongue virus

Status B

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 19 June 2025

Welsh: feirws y tafod glas

English: BTV

Status B

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Notes: Dyma'r acronym Saesneg a ddefnyddir am bluetongue virus.

Last updated: 19 June 2025

Welsh: feirws y tafod glas seroteip 12

English: bluetongue virus serotype 12

Status B

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Notes: Defnyddir yr acronym BTV-12 yn y ddwy iaith am y term hwn.

Last updated: 19 June 2025

Welsh: feirws y tafod glas seroteip 3

English: bluetongue virus serotype 3

Status B

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Notes: Defnyddir yr acronym BTV-3 yn y ddwy iaith am y term hwn.

Last updated: 19 June 2025

Welsh: feirysau

English: viruses

Status C

Subject: ICT

Part of speech: Noun, Plural

Last updated: 2 September 2004

Welsh: feirysau'r ffliw

English: flu viruses

Status C

Subject: Health

Part of speech: Noun, Plural

Last updated: 31 August 2004

Welsh: feirysol

English: viral

Status A

Subject: Health

Part of speech: Adjective

Last updated: 26 March 2020

Welsh: feisor

English: visor

Status A

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: feisorau

Notes: Elfen o gyfarpar diogelu personol (PPE).

Last updated: 16 April 2020

Welsh: Felin-wen

English: White Mill

Status A

Subject: Place-names

Part of speech: Noun, Feminine, Singular

Definition: Enw lle yn Sir Gaerfyrddin.

Notes: Cyfeirnod grid SN462214. Nid yw’r enw Saesneg yn ymddangos yn y cyfeirlyfrau safonol.

Last updated: 14 August 2015

Welsh: fel mater o drefn

English: routinely

Status C

Subject: General

Part of speech: Adverb

Last updated: 5 September 2003

Welsh: felodrom

English: velodrome

Status C

Subject: Tourism and leisure

Part of speech: Noun, Masculine, Singular

Last updated: 20 October 2008

Welsh: Felodrom Cenedlaethol Cymru

English: Wales National Velodrome

Status C

Subject: Tourism and leisure

Part of speech: Noun, Masculine, Singular

Definition: Newport

Last updated: 20 October 2008

Welsh: fel rhanddirymiad o

English: by way of derogation from

Status C

Subject: Law

Definition: Cyfreithiol.

Last updated: 13 May 2011

Welsh: fel y'i diwygiwyd

English: as amended

Status A

Subject: Law

Part of speech: Adjective

Context: Used in legislation.

Last updated: 3 July 2003

Welsh: fel y’u defnyddiwyd

English: as consumed

Status B

Subject: Food

Part of speech: Adjective

Context: On food labels.

Last updated: 25 May 2012

Welsh: fel y’u gwerthwyd

English: as sold

Status B

Subject: Food

Part of speech: Adjective

Context: On food labels.

Last updated: 25 May 2012

Welsh: Fenis

English: Venice

Status B

Subject: Place-names

Part of speech: Proper noun

Last updated: 9 September 2003

Welsh: fenwm

English: venom

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: fenymau

Definition: Sylwedd naturiol sy'n niweidiol neu'n farwol os oes swm digonol ohono'n mynd i mewn i'r corff, a gynhyrchir gan anifail a'i drosglwyddo drwy dechneg fel brathiad neu bigiad.

Notes: Mewn cyd-destunau technegol, mae 'gwenwyn'/'poison' yn derm ymbarel sy'n cynnwys mathau penodol o sylweddau, ee tocsinau a fenymau. Mewn cyd-destunau annhechnegol, gellir defnyddio 'gwenwyn' i drosi 'toxin' a 'venom'.

Last updated: 10 October 2024

Welsh: fenymig

English: venomous

Status B

Subject: Environment

Part of speech: Adjective

Definition: Modd o ddisgrifio sylwedd naturiol sy'n niweidiol neu'n farwol os oes swm digonol ohono'n mynd i mewn i'r corff, a gynhyrchir gan anifail a'i drosglwyddo drwy dechneg fel brathiad neu bigiad.

Last updated: 1 October 2024

Welsh: fepio

English: vape

Status B

Subject: Health

Part of speech: Verb

Last updated: 17 October 2023

Welsh: Fera

English: Fera

Status C

Subject: Environment

Context: Food and Environment Research Agency

Last updated: 6 April 2011

Welsh: FERA Science Ltd

English: FERA Science Ltd

Status B

Subject: Environment

Part of speech: Proper noun

Last updated: 23 September 2020

Welsh: fermin

English: vermin

Status C

Subject: Agriculture

Part of speech: Noun, Plural

Definition: Mae'n bosib y bydd yn eglur o'r cyd-destun weithiau pa anifeiliaid yn union ydyn nhw - ee llygod mawr. Ond fel arall, bydd rhaid defnyddio 'fermin'.

Last updated: 20 September 2004

Welsh: fersiwn

English: version

Status B

Subject: ICT

Part of speech: Noun, Feminine, Singular

Last updated: 19 July 2005

Welsh: fersiwn bresennol

English: existing version

Status B

Subject: ICT

Part of speech: Noun, Feminine, Singular

Last updated: 14 January 2016

Welsh: fersiwn hwylus i'w hargraffu

English: printer-friendly version

Status B

Subject: ICT

Part of speech: Noun, Feminine, Singular

Last updated: 19 July 2005

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