TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: lleuen bysgod
English: sea louse
Status A
Subject: Animals
Part of speech: Noun, Feminine, Singular
Definition: Cramenogion bychan o deulu Caligidae. Maent yn baraseitiaid ar bysgod môr.
Last updated: 28 February 2019
Welsh: Llewyrch y Llusern yng Nghymru
English: Lighting the Lamp in Wales
Status A
Subject: Health
Part of speech: Neutral
Context: Nursing conference.
Last updated: 29 October 2009
Welsh: llewys coed
English: spiral guards
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Definition: Sbeirals plastig i'w rhoi am fonion coed i rwystro cwningod a chnofilod rhag bwyta'r rhisgl a difetha'r goeden.
Last updated: 6 August 2008
Welsh: lleygwr
English: lay person
Status A
Subject: Local government
Part of speech: Noun, Masculine, Singular
Plural: lleygwyr
Context: Rhaid i bwyllgor llywodraethu corfforaethol ac archwilio benodi cadeirydd sy'n lleygwr.
Last updated: 20 June 2018
Welsh: lle ysgol
English: school place
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Plural: lleoedd ysgol
Notes: Yng nghyd-destun trefniadau ariannu ysgolion. Mewn cyd-destunau llai technegol, mae'n debyg y byddai 'lle mewn ysgol' yn gweddu.
Last updated: 25 November 2025
Welsh: LlGC
English: NLW
Status A
Subject: Culture and the arts
Part of speech: Neutral
Definition: National Library of Wales
Last updated: 18 October 2004
Welsh: llid feirysol yr ymennydd
English: viral meningitis
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: llid madreddol y ffasgell 
English: necrotising fasciitis
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 9 April 2024
Welsh: llid y deintgig
English: gingivitis
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 14 November 2007
Welsh: llid y deintgig
English: gum inflammation
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 6 May 2005
Welsh: llid y glust ganol
English: otitis media
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Otitis media is an infection of the middle ear that causes inflammation (redness and swelling) and a build-up of fluid behind the eardrum.
Context: Mae angen i ymdrechion i wella presgripsiynu ganolbwyntio'n benodol ar heintiau'r pibellau anadlu isaf ac uchaf, heintiau'r llwybr wrinol, llid y glust ganol a llid y sinysau.
Last updated: 30 March 2017
Welsh: llid y pancreas
English: pancreatitis
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 June 2011
Welsh: llid yr amrannau
English: conjunctivitis
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Anhwylder y gellir ei drin drwy Wasanaeth Anhwylderau Cyffredin y GIG.
Last updated: 1 December 2022
Welsh: llid yr ymennydd
English: meningitis
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r term Cymraeg arferol am ‘meningitis’. Serch hynny, mewn cyd-destunau meddygol technegol mae’n bosibl y bydd angen defnyddio ‘llid y breithelli’ gan mai llid sy’n effeithio ar y breithelli yn hytrach na’r ymennydd ei hun yw ‘meningitis’.
Last updated: 24 October 2016
Welsh: llid y sinysau
English: sinusitis
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Sinusitis is a common condition in which the lining of the sinuses becomes inflamed.
Context: Mae angen i ymdrechion i wella presgripsiynu ganolbwyntio'n benodol ar heintiau'r pibellau anadlu isaf ac uchaf, heintiau'r llwybr wrinol, llid y glust ganol a llid y sinysau.
Last updated: 30 March 2017
Welsh: llid y traed
English: foot scald
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Clefyd ar ddefaid.
Last updated: 30 July 2003
Welsh: Lliedi
English: Lliedi
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Gaerfyrddin. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Gaerfyrddin (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: llif
English: flow
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: Gall cymryd rhan mewn gweithgareddau, yn enwedig rhai sy’n ein helpu i gyflawni ymdeimlad o “lif” (lle rydym yn mwynhau gweithgaredd cymaint nes ein bod yn colli synnwyr o amser), ein helpu i reoleiddio ein hemosiynau.
Last updated: 1 March 2024
Welsh: llif a basiwyd ymlaen
English: flow passed forward
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: llifoedd a basiwyd ymlaen
Notes: Yng nghyd-destun monitro ansawdd dŵr.
Last updated: 23 January 2024
Welsh: llif afon
English: river flow
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 11 March 2004
Welsh: llifanu dannedd
English: tooth grinding
Status C
Subject: Agriculture
Part of speech: Verb
Last updated: 29 July 2003
Welsh: llif arian
English: cash flow
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: The amount of cash being received and expended by a business, which is often analysed into its various components.
Last updated: 21 February 2005
Welsh: llif arian parod
English: cash inflows
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 1 December 2008
Welsh: llif arian parod
English: cash flow
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Plural: llifau arian parod
Definition: Symudiad arian parod i mewn ac allan o'r busnes.
Notes: Term o faes cyfrifyddu.
Last updated: 4 December 2018
Welsh: llif arian parod allan
English: cash outflow
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Plural: llifau arian allan
Definition: Taliadau arian parod a wneud gan sefydliad.
Notes: Term o faes cyfrifyddu.
Last updated: 4 December 2018
Welsh: llif arian parod wedi'i ddisgowntio
English: discounted cash flow
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Definition: Dull o ragfynegi llifau arian parod i mewn ac allan dros amser, a defnyddio cyfradd cost cyfalaf i'w disgowntio i werthoedd presennol er mwyn penderfynu a ydy prosiect neu benderfyniad yn debygol o fod yn un hyfyw yn ariannol.
Notes: Term o faes cyfrifyddu.
Last updated: 4 December 2018
Welsh: llif cleifion
English: patient flow
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: llifau cleifion
Last updated: 31 July 2025
Welsh: llif cymudo allan
English: commuting ouflow
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 27 February 2012
Welsh: llif cymudo i (mewn /rywle)
English: commuting inflow
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 27 February 2012
Welsh: llif data
English: data flow
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: llifoedd data
Last updated: 8 October 2020
Welsh: llif data
English: data flow
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: llifoedd data
Last updated: 23 December 2020
Welsh: llifddorau
English: lock gates
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: Cardiff Barrage
Last updated: 29 April 2005
Welsh: llifddorau
English: sluices
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 29 April 2005
Welsh: llifddor bren
English: timber sluice
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 29 June 2012
Welsh: llifddor gât godi
English: lifting gate sluice
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 28 August 2012
Welsh: llifddor piben hyblyg
English: flexipipe sluice
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 29 June 2012
Welsh: llifddor ystellen gwymp
English: drop board sluice
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 28 August 2012
Welsh: llifddwr
English: flood water
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 11 May 2006
Welsh: llif diweddariadau
English: updates stream
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 10 May 2011
Welsh: llifeiriant
English: flooding
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Mislif eithriadol o drwm yn ystod y perimenopos.
Notes: Mae'n bosibl y gallai aralleiriad ar sail y diffiniad fod yn fwy addas na'r term mewn rhai cyd-destunau.
Last updated: 14 October 2021
Welsh: llif genynnau
English: gene flow
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Y symudiad paill - sy’n cario’r data genynnol - o gnwd i gnwd.
Last updated: 7 April 2009
Welsh: llif gwaith/gweithlif
English: workflow
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 18 October 2005
Welsh: llif gwartheg
English: cow throughput
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Context: Mewn parlwr godro.
Last updated: 20 January 2010
Welsh: llifiant
English: fluence
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Yr egni pelydrol a dderbynnir gan arwyneb fesul uned arwynebedd, dros gyfnod o amser.
Notes: Mae'r term radiant exposure / cysylltiad pelydrol yn gyfystyr.
Last updated: 4 February 2021
Welsh: llif i driniaeth lawn
English: flow to full treatment
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: llifoedd i driniaeth lawn
Notes: Yng nghyd-destun monitro ansawdd dŵr.
Last updated: 23 January 2024
Welsh: llif-lenwi
English: flood fill
Status C
Subject: Education
Part of speech: Verb
Definition: PLASC form
Last updated: 29 January 2008
Welsh: llif mudo
English: migration flow
Status B
Subject: Politics
Part of speech: Noun, Masculine, Singular
Plural: llifau mudo
Context: ‌Mae'r amcangyfrif o'r llif mudo presennol bellach yn seiliedig ar y nifer cyfartalog o'r trethdalwyr cyfradd ychwanegol sydd wedi symud i mewn i Gymru ac allan ohoni dros y blynyddoedd diwethaf.
Last updated: 12 December 2024
Welsh: llif myfyrwyr
English: student flows
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 23 September 2004
Welsh: llif naturiol yr afon
English: natural river flow
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 19 December 2011
Welsh: llif ocsigen
English: oxygen flow
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 13 December 2010