TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: Clefyd Coronaidd y Galon
English: CHD
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Coronary Heart Disease
Last updated: 5 September 2007
Welsh: Clefyd Coronaidd y Galon
English: Coronary Heart Disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: CHD
Last updated: 7 October 2002
Welsh: clefyd cronig yn yr arennau
English: chronic kidney disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 17 January 2003
Welsh: clefyd cronig yr afu yn ystod plentyndod
English: childhood chronic liver disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 June 2011
Welsh: clefyd cynhenid y galon
English: congenital heart disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 26 March 2020
Welsh: clefyd deilen arian
English: silver leaf disease
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 13 May 2013
Welsh: clefyd diabetig y llygaid
English: diabetic eye disease
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Grŵp o broblemau llygaid sy'n gallu effeithio ar bobl sydd â diabetes. Gall y problemau hyn gynnwys retinopathi diabetig, cataractau a glawcoma.
Last updated: 25 November 2022
Welsh: clefyd egsotig
English: exotic disease
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 30 January 2006
Welsh: clefyd endemig
English: endemic disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau endemig
Definition: Afiechyd a welir yn rheolaidd ymysg pobl benodol neu rywogaethau penodol, neu mewn ardal benodol.
Last updated: 8 September 2023
Welsh: clefyd Ewropeaidd y gwenyn
English: European foulbrood
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Defnyddir yr acronym Saesneg EFB am y term hwn.
Last updated: 23 September 2020
Welsh: clefyd Ewropeaidd y gwenyn
English: EFB
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am European foulbrood.
Last updated: 23 September 2020
Welsh: clefyd fasgwlaidd
English: vascular disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau fasgwlaidd
Last updated: 7 May 2026
Welsh: clefyd fasgwlaidd cyfnod cynnar
English: early-stage vascular disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau fasgwlaidd cyfnod cynnar
Last updated: 7 May 2026
Welsh: clefyd feirws Chikungunya
English: Chikungunya virus disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 April 2021
Welsh: clefyd feirws Zika
English: Zika virus disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 April 2021
Welsh: Clefyd Gorwedd
English: Down Cattle Syndrome
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Clefyd ar wartheg.
Last updated: 30 July 2003
Welsh: clefyd gwaedlifol firaol
English: viral haemorrhagic disease
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Mewn dogfennau cyfreithiol.
Last updated: 15 July 2008
Welsh: clefyd gwythiennol
English: venous disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau gwythiennol
Last updated: 7 May 2026
Welsh: clefyd heb ei ddarganfod
English: undetected disease
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 7 July 2008
Welsh: clefyd heb ei reoli
English: uncontrolled disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau heb eu rheoli
Last updated: 25 November 2022
Welsh: clefyd heintus ar anifail
English: infectious animal disease
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 10 September 2003
Welsh: clefyd heintus â chanlyniadau pellgyrhaeddol
English: high consequence infectious disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau heintus â chanlyniadau pellgyrhaeddol
Definition: Clefyd sy'n bodloni meini prawf caeth o ran ei nodweddion, ei driniaethau a'i effeithiau
Last updated: 6 February 2020
Welsh: clefyd Hendra
English: Hendra disease
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 14 April 2008
Welsh: clefyd Hodgkin
English: Hodgkin's disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 17 July 2006
Welsh: Clefyd Huntington
English: Huntington's Disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: An hereditary disorder with mental and physical deterioration leading to death.
Last updated: 9 June 2006
Welsh: clefyd hydatid
English: hydatid disease
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Parasitic disease that can affect many animals.
Last updated: 11 May 2006
Welsh: clefyd hysbysadwy
English: notifiable disease
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 16 April 2003
Welsh: clefyd hysbysadwy statudol ymhlith mag
English: statutory notifiable brood disease
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2020
Welsh: Clefyd Interstitaidd yr Ysgyfaint
English: Interstitial Lung Disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 December 2010
Welsh: clefyd isgemia'r galon
English: ischaemic heart disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 3 March 2006
Welsh: Clefyd Johne
English: Johne's Disease
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 10 September 2003
Welsh: clefyd llidiol y pelfis
English: pelvic inflammatory disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 25 June 2026
Welsh: clefyd llid y coluddyn
English: inflammatory bowel disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 June 2011
Welsh: clefyd llygaid
English: eye disease
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau llygaid
Notes: Yn gyffredinol mae'r term hwn yn gyfystyr ag 'ocular disease' ac fe'i defnyddir mewn cyd-destunau llai technegol. Sylwer y gall 'clefyd y llygaid' fod yn gywir hefyd, a dylid sicrhau cysondeb o ran cynnwys neu hepgor y fannod mewn termau o'r fath mewn unrhyw ddarn o destun. Gall fod yn haws ei hepgor er mwyn hwylustod ei oleddfu ac ati.
Last updated: 25 November 2022
Welsh: clefyd melyn
English: jaundice
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 March 2008
Welsh: Clefyd Metabolaidd Etifeddol
English: Inherited Metabolic Disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 December 2010
Welsh: clefyd metabolig
English: metabolic disease
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 12 December 2011
Welsh: clefyd milheintiol
English: zoonotic disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau milheintiol
Definition: Clefyd heintus all drosglwyddo o anifeiliaid asgwrn cefn i fodau dynol.
Last updated: 11 February 2026
Welsh: clefyd Newcastle
English: Newcastle disease
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 14 July 2026
Welsh: clefyd Nipah
English: Nipah disease
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 14 April 2008
Welsh: clefyd niwmococol
English: pneumococcal disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: clefyd niwronau motor
English: MND
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: motor neurone disease
Last updated: 9 June 2006
Welsh: clefyd niwronau motor
English: motor neurone disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: MND
Last updated: 10 January 2006
Welsh: clefyd ociwlar
English: ocular disease
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau ociwlar
Notes: Yn gyffredinol mae'r term hwn yn gyfystyr ag 'eye disease' ac fe'i defnyddir mewn cyd-destunau clinigol a thechnegol.
Last updated: 25 November 2022
Welsh: clefyd pandemig
English: pandemic disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: clefydau pandemig
Last updated: 15 December 2022
Welsh: clefyd Parkinson
English: Parkinson's disease
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 5 February 2008
Welsh: clefyd pothellog y moch
English: SVD
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am swine vesicular disease.
Last updated: 14 July 2026
Welsh: clefyd pothellog y moch
English: swine vesicular disease
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 14 July 2026
Welsh: clefyd rhwystrol cronig yr ysgyfaint
English: chronic obstructive pulmonary disease
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: COPD. A progressive disease process that most commonly results from smoking.
Notes: Defnyddir yr acronym COPD yn gyffredin am y clefyd hwn.
Last updated: 25 June 2020
Welsh: clefyd rhwystrol cronig yr ysgyfaint
English: COPD
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: chronic obstructive pulmonary disease
Last updated: 22 March 2021