TermCymru

Results are displayed in English alphabetical order A-Z
English: Marking of Retail Goods Regulations 2025
Welsh: Rheoliadau Marcio Nwyddau Manwerthu 2025
Status B
Subject: Titles of legislation
Part of speech: Noun, Plural
Notes: Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last Updated: 5 June 2025
English: markings
Welsh: marciau
Status C
Subject: Environment
Part of speech: Noun, Plural
Last Updated: 9 December 2004
English: Marking Support Service
Welsh: Gwasanaeth Cefnogi Marcio
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Notes: Gwasanaeth sy'n rhoi cefnogaeth i athrawon wrth farcio. Mae'r teitl Supported Marking Service yn gyfystyr
Last Updated: 27 September 2018
English: mark time
Welsh: cyfnod cynnal cyflog
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: Yng nghyd-destun polisïau adnoddau dynol y Gwasanaeth Sifil, cyfnod lle bydd cyflog gwas sifil a symudodd i rôl a hysbysebwyd â chyflog is yn cael ei rewi ar lefel y cyflog gwreiddiol, uwch, hyd nes y bydd codiadau cyflog blynyddol damcaniaethol yn y swydd newydd yn dal i fyny â’r cyflog gwreiddiol.
Last Updated: 17 March 2025
English: mark-up language
Welsh: iaith farcio
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 19 July 2005
English: mark vertically
Welsh: marcio'n fertigol
Status B
Subject: Finance and statistics
Part of speech: Verb
Notes: Mewn perthynas â graffiau.
Last Updated: 9 December 2020
English: marmalade
Welsh: marmalêd
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last Updated: 1 December 2008
English: Marmot Nation
Welsh: Cenedl Marmot
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Ymadrodd yn ymwneud â dod yn genedl sy'n mabwysiadu wyth egwyddor yr arbenigwr iechyd y cyhoedd, Syr Michael Marmot. Mae'r rhain yn ceisio cael gwared ar wahaniaethau annheg ac y gellir eu hosgoi ym maes iechyd.
Last Updated: 18 September 2025
English: MARPOL
Welsh: MARPOL
Status A
Subject: Titles of legislation
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym a ddefnyddir am Y Confensiwn Rhyngwladol er Atal Llygredd o Longau / International Convention for the Prevention of Pollution from Ships.
Last Updated: 6 June 2019
English: marquess
Welsh: ardalydd
Status C
Subject: Honorary titles
Part of speech: Noun, Masculine, Singular
Definition: In the UK, a title of nobility next below that of a duke.
Last Updated: 2 August 2010
English: marquesses
Welsh: ardalyddion
Status C
Subject: Honorary titles
Part of speech: Noun, Plural
Last Updated: 2 August 2010
English: Marquess of Bute
Welsh: Ardalydd Bute
Status C
Subject: Honorary titles
Part of speech: Noun, Masculine, Singular
Last Updated: 2 August 2010
English: marquise
Welsh: marquise
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Definition: Math o bwdin
Last Updated: 13 June 2019
English: marram grass
Welsh: moresg
Status A
Subject: Plants
Part of speech: Noun, Plural
Context: Unigol: môr-hesgen (b).
Last Updated: 12 December 2013
English: marrow
Welsh: maro
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: vegetable
Last Updated: 27 January 2004
English: Marseilles
Welsh: Marseille
Status B
Subject: Place-names
Part of speech: Proper noun
Last Updated: 9 September 2003
English: marsh
Welsh: cors
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Rhostir = heath. Term ecolegol.
Last Updated: 23 August 2006
English: Marshalled List of Amendments
Welsh: Rhestr o Welliannau wedi’u Didoli
Status B
Subject: Law
Part of speech: Noun, Feminine, Singular
Plural: Rhestrau o Welliannau wedi’u Didoli
Last Updated: 17 February 2026
English: marshalling yard
Welsh: iard gynnull
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 5 February 2008
English: Marshall Islands
Welsh: Ynysoedd Marshall
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
English: marsh clubmoss
Welsh: clwp-fwsogl y gors
Status A
Subject: Plants
Part of speech: Noun, Masculine, Singular
Definition: Lycopodiella inundata
Last Updated: 13 December 2012
English: marsh fritillary
Welsh: britheg y gors
Status C
Subject: Animals
Part of speech: Noun, Feminine, Singular
Context: Euphydryas aurinia. Butterfly
Last Updated: 13 July 2010
English: marsh gentian
Welsh: crwynllys y gors
Status A
Subject: Plants
Part of speech: Noun, Masculine, Singular
Definition: Gentiana pneumonanthe
Last Updated: 13 December 2012
English: marshland
Welsh: corstir
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 9 January 2006
English: marsh ragwort
Welsh: creulys y gors
Status C
Subject: Plants
Part of speech: Noun, Feminine, Singular
Last Updated: 20 August 2008
English: Marsh Road, Rhyl
Welsh: Marsh Road, Y Rhyl
Status C
Subject: Place-names
Definition: in an address
Last Updated: 5 March 2003
English: marsh tit
Welsh: titw'r wern
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Parus palustris
Context: Lluosog: titwod y wern.
Last Updated: 13 November 2014
English: marshy grassland
Welsh: glaswelltir corsiog
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 14 May 2008
English: martial arts
Welsh: crefft ymladd
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last Updated: 20 February 2020
English: martial arts fighter
Welsh: gornestwr crefft ymladd
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Plural: gornestwyr crefft ymladd
Last Updated: 20 February 2020
English: Martinique
Welsh: Martinique
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
English: Martletwy
Welsh: Martletwy
Status C
Subject: Place-names
Part of speech: Proper noun
Last Updated: 9 October 2006
English: Martletwy 
Welsh: Martletwy
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Benfro. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Benfro (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Marton
Welsh: Marton
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Lle yn Lloegr.
Last Updated: 2 May 2013
English: Mary and St Michael RC Church
Welsh: Eglwys Gatholig Mair a Sant Mihangel
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Context: Llanarth
Last Updated: 5 December 2011
English: masculine
Welsh: gwrywaidd
Status B
Subject: General
Part of speech: Adjective
Definition: Modd o ddisgrifio person sy'n arddangos nodweddion a gysylltir yn gyffredin â'r rhyw gwryw neu â rhywedd bachgen/dyn.
Notes: Wrth ddisgrifio pobl, defnyddir yr ansoddair 'gwryw' i drosi 'male'. Pan ddefnyddir 'male' i ddisgrifio pethau heblaw pobl, ee cyfleusterau, gall 'gwrywaidd' fod yn addas.
Last Updated: 1 May 2024
English: masculinise
Welsh: gwryweiddio
Status C
Subject: Health
Part of speech: Verb
Context: Mae rhai genynnau penodol ar y cromosom Y yn ysgogi'r hormonau gwryweiddio [masculinising] i lifo o'r ceilliau (androgenau - testosteron ac MIH, hormon sy'n anghydnaws â system atgenhedlu fewnol y fenyw), sy'n symud y ffetws o'i statws benywaidd tuag at statws gwrywaidd.
Last Updated: 9 June 2016
English: masculinising hormone
Welsh: hormon gwryweiddio
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: hormonau gwryweiddio
Last Updated: 3 July 2024
English: masectomy
Welsh: masectomi
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Hefyd "codi’r fron/colli’r fron"
Last Updated: 16 August 2004
English: masking
Welsh: masgio
Status B
Subject: Health
Part of speech: Verb
Definition: Ym meysydd seicoleg a chymdeithaseg, ymddygiad amddiffynnol lle bydd unigolyn yn cuddio ei bersonoliaeth neu ymddygiad naturiol mewn ymateb i bwysau cymdeithasol neu gamdriniaeth, neu yn sgil aflonyddu arno.
Last Updated: 10 October 2024
English: mason
Welsh: saer maen
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last Updated: 22 May 2006
English: mason bee
Welsh: saerwenynen
Status B
Subject: Animals
Part of speech: Noun, Feminine, Singular
Context: Osmia xanthomelana
Last Updated: 26 June 2012
English: masonry
Welsh: gwaith maen
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last Updated: 19 December 2003
English: masons
Welsh: seiri maen
Status C
Subject: Estates and Cadw
Part of speech: Noun, Plural
Last Updated: 22 May 2006
English: massage parlour
Welsh: parlwr tylino
Status C
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 26 August 2014
English: mass appraisal
Welsh: arfarniad torfol
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Plural: arfarniadau torfol
Notes: Yng nghyd-destun y dreth gyngor ac ardrethi annomestig.
Last Updated: 31 January 2024
English: Massed Choirs
Welsh: Corau Cyfun
Status C
Subject: Culture and the arts
Part of speech: Noun, Plural
Last Updated: 12 February 2007
English: mass gathering
Welsh: cynulliad torfol
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: cynulliadau torfol
Last Updated: 19 March 2020
English: massif
Welsh: massiff
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: geographical term
Last Updated: 19 August 2008
English: Massive Open Online Course
Welsh: Cwrs Ar-lein Enfawr Agored
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: MOOC
Last Updated: 28 May 2014