TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: lewcemia
English: leukemia
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 26 March 2020
Welsh: lewcosis ensootig buchol
English: enzootic bovine leukosis
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 10 September 2003
Welsh: lewprorelin asetad
English: leuprorelin acetate
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Math o feddyginiaeth ar gyfer atal y glasoed.
Last updated: 17 June 2024
Welsh: ôl-farchnad
English: after-market
Status C
Subject: Law
Part of speech: Noun, Feminine, Singular
Definition: Refers to any market where the customers who implement one product or service are likely to purchase a related, follow-on product.
Last updated: 14 September 2007
Welsh: ôl-ganoloesol
English: post-medieval
Status C
Subject: Estates and Cadw
Part of speech: Adjective
Last updated: 26 August 2008
Welsh: LGDU
English: LGDU
Status A
Subject: Local government
Definition: Local Government Data Unit
Last updated: 7 October 2004
Welsh: ôl-gerbyd
English: trailer
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: ôl-gerbydau
Definition: cerbyd i'w dynnu gan gerbyd modur
Context: Caiff arolygydd, drwy ddangos awdurdodiad wedi ei ddilysu'n briodol, os gofynnir amdano, fynd i unrhyw fangre, cerbyd, llestr neu ôl-gerbyd
Notes: Mae modd defnyddio 'trelar', 'treiler', 'treilyr' etc mewn testunau cyffredinol.
Last updated: 14 September 2021
Welsh: lòg rheolaeth newid
English: change control log
Status B
Subject: Planning
Part of speech: Noun, Masculine, Singular
Plural: logiau rheolaeth newid
Context: Rhaid i’r prif gontractwr (neu'r unig gontractwr) greu a chynnal dogfen at ddibenion cofnodi gwybodaeth mewn cysylltiad â newidiadau i’r prosiect (“lòg rheoli newid”).
Notes: Yng nghyd-destun Rheoliadau Adeiladu (Gweithdrefnau Adeiladau Risg Uwch) (Cymru) 2025. Seiliwyd y frawddeg gyd-destunol ar destun o'r Rheoliadau hynny.
Last updated: 27 January 2026
Welsh: ôl-groniad
English: backlog
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last updated: 13 March 2012
Welsh: ôl-groniad o ran dogfennaeth
English: retrospective documentation backlog
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last updated: 13 March 2012
Welsh: Ôl-gydnabyddiaeth
English: Post Recognition
Status B
Subject: Economic development
Part of speech: Noun, Feminine, Singular
Context: Investors in People
Last updated: 12 March 2012
Welsh: ôl-gyfres
English: back series
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Last updated: 22 August 2006
Welsh: LHD
English: LGB
Status A
Subject: Personnel
Part of speech: Neutral
Definition: lesbian, gay and bisexual
Last updated: 22 December 2004
Welsh: LHDTC+
English: LGBTQ+
Status B
Subject: General
Part of speech: Adjective
Definition: Byrfodd sy'n cyfeirio at bobl lesbiaidd, hoyw, deurywiol, trawsryweddol/traws a cwiar/pobl sy'n cwestiynu. Defnyddir y symbol + i gynnwys a chydnabod yr amrywiol dermau eraill y mae pobl yn eu defnyddio i ddisgrifio eu hunaniaethau a'u cyfeiriadedd, gan gynnwys rhyngryw, arywiol ac aramantaidd.
Last updated: 8 December 2022
Welsh: LHDTCARh+
English: LGBTQAI+
Status B
Subject: General
Part of speech: Adjective
Definition: Byrfodd sy'n cyfeirio at bobl lesbiaidd, hoyw, deurywiol, trawsryweddol/traws, cwiar/sy'n cwestiynu, arywiol/aramantaidd a rhyngryw. Defnyddir y symbol + i gynnwys a chydnabod yr amrywiol dermau eraill y mae pobl yn eu defnyddio i ddisgrifio eu hunaniaethau a'u cyfeiriadedd.
Last updated: 22 October 2024
Welsh: LHDTCRh+
English: LGBTQI+
Status B
Subject: General
Part of speech: Adjective
Definition: Byrfodd sy'n cyfeirio at bobl lesbiaidd, hoyw, deurywiol, trawsryweddol/traws, cwiar/sy'n cwestiynu a rhyngryw. Defnyddir y symbol + i gynnwys a chydnabod yr amrywiol dermau eraill y mae pobl yn eu defnyddio i ddisgrifio eu hunaniaethau a'u cyfeiriadedd, gan gynnwys arywiol ac aramantaidd.
Last updated: 6 June 2024
Welsh: LHDTRh
English: LGBTI
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronymau a ddefnyddir yn y ddwy iaith am Lesbian, Gay, Bisexual, Transgender, Intersex / Lesbiaidd, Hoyw, Deurywiol, Trawsryweddol, Rhyngryw.
Last updated: 18 May 2023
Welsh: LHIP
English: LHIP
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Landfill and Hazardous Waste Implementation Programme
Last updated: 29 November 2005
Welsh: Libaneaidd
English: Lebanese
Status C
Subject: Personnel
Part of speech: Adjective
Last updated: 22 June 2007
Welsh: Libanus
English: Lebanon
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: Liberia
English: Liberia
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: Libya
English: Libya
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: Libyaidd
English: Libyan
Status C
Subject: Personnel
Part of speech: Adjective
Last updated: 8 July 2008
Welsh: Licensed Victuallers (Wales) Ltd
English: Licensed Victuallers (Wales) Ltd
Status C
Subject: Tourism and leisure
Part of speech: Neutral
Last updated: 5 January 2005
Welsh: LiDAR
English: LiDAR
Status B
Subject: Environment
Part of speech: Proper noun
Last updated: 19 May 2022
Welsh: Liechtenstein
English: Liechtenstein
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: LIFE
English: LIFE
Status C
Subject: Environment
Definition: Financial Instrument for the Environment
Last updated: 26 July 2004
Welsh: Lifeblood: yr Elusen Thrombosis
English: Lifeblood: the Thrombosis Charity
Status C
Subject: Health
Part of speech: Neutral
Last updated: 14 April 2004
Welsh: lifft hygyrch i gadeiriau olwyn
English: wheelchair-accessible lift
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: lifftiau hygyrch i gadeiriau olwyn
Context: Gall enghreifftiau o nodweddion o’r fath gynnwys mynedfeydd gwastad, lifftiau hygyrch i gadeiriau olwyn, rampiau graddol ac ystafelloedd gwlyb â mynediad gwastad.
Last updated: 14 April 2026
Welsh: lifftiau nwyddau
English: goods lifts
Status C
Subject: Transport
Part of speech: Noun, Plural
Last updated: 28 September 2005
Welsh: lifft llwyfan
English: platform lift
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 3 August 2010
Welsh: lifft risiau
English: stair-lift
Status B
Subject: Social services
Part of speech: Noun, Feminine, Singular
Last updated: 6 September 2012
Welsh: lifrai heddlu
English: police uniform
Status B
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Last updated: 30 August 2012
Welsh: Lifting Every Voice
English: Lifting Every Voice
Status B
Subject: Politics
Part of speech: Neutral
Definition: Nid yw’r ddogfen ar gael yn Gymraeg.
Last updated: 25 November 2004
Welsh: Liftshare
English: Liftshare
Status C
Subject: Transport
Part of speech: Proper noun
Last updated: 6 April 2009
Welsh: ligament
English: ligament
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 12 December 2011
Welsh: ligament
English: ligament
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: Lluosog: ligamentau.
Last updated: 14 August 2013
Welsh: lili
English: lily
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last updated: 27 January 2004
Welsh: limwsîn hir
English: stretch limousine
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: limwsinau hir
Last updated: 4 June 2018
Welsh: linac
English: linac
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: Linear accelerator. A device used to treat cancer patients.
Last updated: 13 May 2011
Welsh: linell ganol
English: centreline
Status C
Subject: Law
Part of speech: Noun, Feminine, Singular
Definition: A painted line running along the center of a road or highway that divides it into two sections for traffic moving in opposite directions, or, in the case of a divided highway, for lines of traffic moving in the same direction at different speeds.
Last updated: 6 September 2011
Welsh: Lingala
English: Lingala
Status A
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: language
Last updated: 20 September 2005
Welsh: lintel
English: lintel
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Definition: A beam over an opening in a wall supporting masonry above.
Context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.
Last updated: 23 April 2015
Welsh: lipas
English: lipase
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: enzyme
Last updated: 7 June 2007
Welsh: Lisboa (Lisbon)
English: Lisbon
Status B
Subject: Place-names
Part of speech: Proper noun
Definition: Defnyddier y ddwy ffurf, gyda’r ail mewn cromfachau, wrth gyfeirio at y lle am y tro cyntaf mewn dogfen, a’r ffurf gyntaf yn unig ar ôl hynny.
Last updated: 9 September 2003
Welsh: LISC Cymru
English: LISC Wales
Status C
Subject: Education
Part of speech: Neutral
Definition: Library and Information Services Council (Wales)
Last updated: 10 November 2004
Welsh: lithiwm
English: lithium
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Li
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: Lithwanaidd
English: Lithuanian
Status C
Subject: Personnel
Part of speech: Adjective
Last updated: 13 May 2008
Welsh: Lithwaneg
English: Lithuanian
Status C
Subject: Personnel
Part of speech: Noun, Feminine, Singular
Definition: the language
Last updated: 18 February 2009
Welsh: Lithwania
English: Lithuania
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