TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: lymffoma nad yw'n Hodgkins
English: non-Hodgkins lymphoma
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 17 July 2006
Welsh: Lyneal
English: Lyneal
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Lle yn Lloegr.
Last updated: 2 May 2013
Welsh: lysin
English: lysine
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Math o asid amino y mae ar y corff ei angen.
Context: Mae Atodlen 1 yn awdurdodiad newydd, ar gyfer paratoad o gelad manganîs o lysin ac asid glwtamig.
Notes: Daw'r testun cyd-destunol o Reoliadau Ychwanegion Bwyd Anifeiliaid (Awdurdodiadau) (Cymru) 2022.
Last updated: 10 December 2024
Welsh: M4 Magwyr i Gas-bach
English: M4 Magor to Castleton
Status C
Subject: Transport
Part of speech: Noun, Plural
Last updated: 9 December 2004
Welsh: MA
English: EM
Status C
Subject: Education
Definition: External Mentor
Context: Ymsefydlu athrawon.
Last updated: 25 February 2013
Welsh: mabwysiadau ag elfen dramor
English: adoptions with a foreign element
Status C
Subject: Social services
Part of speech: Noun, Plural
Last updated: 11 March 2004
Welsh: mabwysiadu
English: adoption
Status C
Subject: Planning
Part of speech: Verb
Definition: The final confirmation of a plan as a statutory document by the local planning authority.
Last updated: 9 October 2002
Welsh: mabwysiadu
English: adopt
Status B
Subject: Justice and order
Part of speech: Verb
Context: child, policy, etc
Last updated: 2 August 2012
Welsh: Mabwysiadu Defnyddio a Dysgu Gydol Oes trwy Wasanaethau Llyfrgelloedd
English: Foster Usage and Lifelong Learning through Museum Services
Status C
Subject: Finance and statistics
Part of speech: Verb
Context: Maes yn y Gyllideb.
Last updated: 5 March 2015
Welsh: Mabwysiadu Dulliau Ataliol
English: Adopting Preventative Approaches
Status A
Subject: Education
Part of speech: Proper noun
Definition: Title of shared learning seminar.
Last updated: 31 March 2014
Welsh: mabwysiadu trawswladol
English: intercountry adoption
Status C
Subject: Social services
Part of speech: Verb
Last updated: 25 March 2013
Welsh: mabwysiadwyr
English: adopters
Status C
Subject: Social services
Part of speech: Noun, Plural
Last updated: 29 October 2010
Welsh: Macao
English: Macao
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: Macedonia
English: Macedonia
Status B
Subject: Europe
Part of speech: Proper noun
Definition: 1. Talaith Gwlad Groeg. 2. FYROM. Gweriniaeth yn Ne-orllewin Ewrop a arferai fod yn rhan o Iwgoslafia
Last updated: 16 October 2003
Welsh: MA Cenedlaethol mewn Addysg (Cymru)
English: National MA Education (Wales)
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 15 December 2022
Welsh: Machen a Rhydri
English: Machen and Rudry
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Caerffili. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Caerffili (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: machete
English: machete
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 19 October 2016
Welsh: Machynlleth
English: Machynlleth
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Powys. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Powys (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: maciwlopathi diabetig
English: diabetic maculopathy
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Cymhlethdod a achosir gan diabetes, lle caiff y maciwla ei niweidio yn sgil lefelau uchel o siwgr yn y gwaed
Last updated: 25 March 2024
Welsh: macrell
English: mackerel
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Plural: mecryll
Definition: Scomber scombrus
Last updated: 14 March 2019
Welsh: macro
English: macro
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: macro-algae
English: macro-algae
Status C
Subject: Europe
Part of speech: Noun, Plural
Context: Macro-algae, commonly referred to as seaweed, is already used as food in Wales.
Last updated: 21 February 2019
Welsh: macrofaethyn
English: macro nutrient
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: macrofaethynnau
Definition: Elfen gemegol (ee potasiwm neu galsiwm) sydd ei angen mewn symiau mawr er mwyn i blanhigion dyfu.
Last updated: 11 July 2019
Welsh: macrofaethynnau
English: macronutrients
Status C
Subject: Food
Part of speech: Noun, Plural
Last updated: 3 November 2011
Welsh: macrogell
English: macrocell
Status A
Subject: ICT
Part of speech: Noun, Feminine, Singular
Context: Used in mobile phones.
Last updated: 24 September 2002
Welsh: macro-hinsawdd
English: macro-climate
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Yr hinsawdd a geir mewn ardal eang iawn, megis cyfandir.
Last updated: 19 August 2024
Welsh: macroymosodedd 
English: macroaggression
Status A
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: Sylwadau neu weithredoedd rhagfarnllyd a negyddol, wedi’u cyfeirio at aelodau o gymunedau lleiafrifol neu sydd wedi’u hymyleiddio, ac sy’n niweidiol i’r bobl hynny. Gall ddigwydd ar lefel strwythurol gyda’r bwriad o dargedu ac eithrio’r bobl hynny. Ar eu pennau’u hunain gall ymosodiadau fel hyn ymddangos yn bethau bach, ond gyda’i gilydd mae eu heffaith yn cynyddu ac yn gwaethygu.
Notes: Daw'r term hwn o gasgliad y Grŵp Gorchwyl a Gorffen ar Derminoleg ym maes Cydraddoldeb o ran Hil ac Ethnigrwydd. Diffiniad y Grŵp a gofnodir gyda'r cofnod hwn. Enw cynnull yw'r ffurf Gymraeg hon.
Last updated: 18 April 2023
Welsh: macroymosodiad        
English: macroaggression
Status A
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: Sylwadau neu weithredoedd rhagfarnllyd a negyddol, wedi’u cyfeirio at aelodau o gymunedau lleiafrifol neu sydd wedi’u hymyleiddio, ac sy’n niweidiol i’r bobl hynny. Gall ddigwydd ar lefel strwythurol gyda’r bwriad o dargedu ac eithrio’r bobl hynny. Ar eu pennau’u hunain gall ymosodiadau fel hyn ymddangos yn bethau bach, ond gyda’i gilydd mae eu heffaith yn cynyddu ac yn gwaethygu.
Notes: Daw'r term hwn o gasgliad y Grŵp Gorchwyl a Gorffen ar Derminoleg ym maes Cydraddoldeb o ran Hil ac Ethnigrwydd. Diffiniad y Grŵp a gofnodir gyda'r cofnod hwn. Dyma'r enw rhif.
Last updated: 18 April 2023
Welsh: macroymosodol                   
English: macroaggressive
Status A
Subject: General
Part of speech: Adjective
Notes: Daw'r term hwn o gasgliad y Grŵp Gorchwyl a Gorffen ar Derminoleg ym maes Cydraddoldeb o ran Hil ac Ethnigrwydd.
Last updated: 18 April 2023
Welsh: Macs, Bel a Casper yn Achub y Byd
English: Max, Bell and Casper Save the World
Status A
Subject: Environment
Part of speech: Neutral
Context: Book for children about climate change, Welsh Assembly Government 2010.
Last updated: 20 April 2010
Welsh: Madagascar
English: Madagascar
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: madarch
English: mushrooms
Status A
Subject: Food
Part of speech: Noun, Plural
Last updated: 31 March 2009
Welsh: madarch boletus
English: flap mushrooms
Status C
Subject: Plants
Part of speech: Noun, Plural
Definition: Enw’r teulu yw boletus. Mae’r enw 'flap mushrooms' yn yr achos yma yn cael ei ddefnyddio i ddisgrifio’r teulu.
Last updated: 31 March 2009
Welsh: madarch cwpan
English: closed cup mushrooms
Status C
Subject: Food
Part of speech: Noun, Plural
Last updated: 8 November 2011
Welsh: madarch hud
English: magic mushrooms
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 14 August 2003
Welsh: madarch pigau barfog
English: lion’s mane mushrooms
Status B
Subject: Food
Part of speech: Noun, Plural
Definition: Hericium erinaceus
Last updated: 11 September 2025
Welsh: madfall
English: common lizard
Status C
Subject: Animals
Part of speech: Noun, Masculine, Singular
Last updated: 19 August 2010
Welsh: madfall ddŵr balfog
English: palmate newt
Status C
Subject: Animals
Part of speech: Noun, Feminine, Singular
Definition: Triturus helveticus
Last updated: 29 January 2007
Welsh: madfall ddŵr gribog
English: great crested newt
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Triturus cristatus. Also 'warty newt'.
Last updated: 10 August 2004
Welsh: madfall ddŵr gyffredin
English: smooth newt
Status C
Subject: Animals
Part of speech: Noun, Feminine, Singular
Definition: Triturus vulgaris
Last updated: 29 January 2007
Welsh: madfall y tywod
English: sand lizard
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: lacerta agilis
Last updated: 10 August 2004
Welsh: madredd
English: gangrene
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 10 April 2024
Welsh: madrona
English: madrone
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: A tree.
Last updated: 19 May 2005
Welsh: Mae addysg yn dechrau yn y cartref
English: Education begins at home
Status A
Subject: Education
Part of speech: Proper noun
Definition: Enw ymgyrch i annog rhieni i ymddiddori yn addysg eu plant.
Last updated: 7 May 2014
Welsh: Mae Angen Pobl ar Bobl: Rhyddhau potensial pobl sy'n gweithio ym maes gwasanaethau cymdeithasol
English: People Need People: Releasing the potential of people working in social services
Status A
Subject: Social services
Definition: Adroddiad y Comisiwn Archwilio, 2000.
Last updated: 26 August 2005
Welsh: Mae arfordir y Gogledd yn cael ei weddnewid
English: The North Wales coast is transforming
Status A
Subject: Economic development
Part of speech: Neutral
Context: Regeneration strapline.
Last updated: 20 January 2011
Welsh: mae atal yn well na gwella / gwell atal na gwella
English: prevention is better than cure
Status C
Subject: Agriculture
Part of speech: Neutral
Last updated: 6 July 2005
Welsh: Mae babanod ar draws Cymru yn hoffi llaeth mam
English: Babies all over Wales love their mother's milk
Status A
Subject: Health
Definition: Slogan wythnos ymwybyddiaeth bwydo ar y fron, 2005.
Last updated: 4 May 2005
Welsh: Mae blinder yn lladd: sut i osgoi blinder wrth yrru
English: Tiredness kills: how to avoid driver tiredness
Status A
Subject: Transport
Part of speech: Noun, Feminine, Singular
Definition: Dogfen y Cynulliad 2002
Last updated: 4 June 2004
Welsh: Mae Bywydau Du o Bwys
English: Black Lives Matter
Status B
Subject: Community development
Part of speech: Proper noun
Notes: Slogan a mudiad rhyngwladol gyda'r nod o sicrhau tegwch a chyfiawnder i bobl a chymunedau du.
Last updated: 11 June 2020