TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: asiant darparu
English: delivery agent
Status C
Subject: Europe
Part of speech: Noun, Masculine, Singular
Last updated: 16 June 2014
Welsh: asiant diagnostig
English: diagnostic agent
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: asiantiaid diagnostig
Definition: Meddyginiaeth neu sylwedd a ddefnyddir er mwyn diagnosio cyflwr corfforol neu gynorthwyo i wneud hynny.
Last updated: 25 April 2024
Welsh: asiant diwaddodi
English: fining agent
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Context: The Regulations amend the principal Regulations in respect of the labelling requirements for foods containing allergenic ingredients, including labelling exemptions for certain processed forms of those ingredients, by extending from 31 May 2009 to 31 December 2010 the transitional period for the use in wine of lysozym and of albumin produced from egg or milk (casein) products as fining agents in respect of wines that are marked, labelled or sold before that date.
Last updated: 12 October 2009
Welsh: Asiant dros Newid
English: Change Agent
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 25 February 2003
Welsh: Asiant Eiddo
English: Estate Agent
Status A
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: Asiantiaid Eiddo
Notes: Dyma'r term manwl gywir. Serch hynny, defnyddir ffurfiau eraill yn gyffredin yn Gymraeg, ee Gwerthwr Tai, Asiant Tai, a gellid defnyddio un o'r rheini mewn cyd-destunau llai ffurfiol.
Last updated: 7 March 2018
Welsh: asiant etholiad
English: election agent
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Plural: asiantiaid etholiad
Definition: Y person sy'n gyfrifol yn ôl y gyfraith am ymgyrch wleidyddol ymgeisydd mewn etholiad, a'r person y bydd deunyddiau etholiadol yn cael eu hanfon ato gan y rheini sy'n rhedeg yr etholiad.
Context: Er mwyn adlewyrchu’r system etholiadol newydd, mae’r darpariaethau sy’n ymwneud â’r asiant etholiad yn nodi y bydd un asiant etholiad ar gyfer pob ymgeisydd unigol, ac un asiant etholiad fesul rhestr plaid.
Notes: Yng nghyd-destun etholiadau. Daw'r testun cyd-destunol o'r Memorandwm Esboniadol i Orchymyn Senedd Cymru (Cynrychiolaeth y Bobl) 2025.
Last updated: 23 March 2026
Welsh: asiant gosod eiddo
English: letting agent
Status A
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: asiantiaid gosod eiddo
Last updated: 7 March 2018
Welsh: Asiant Gosod Eiddo ar Brentisiaeth
English: Apprentice Letting Agent
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 15 May 2019
Welsh: asiant pôl
English: polling agent
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Plural: asiantiaid pôl
Definition: Person sydd yn cynrychioli ymgeisydd mewn gorsaf bleidleisio.
Context: Cyn i’r bleidlais ddechrau, caiff ymgeisydd unigol ac asiant etholiad plaid wleidyddol gofrestredig sy’n dal wedi ei henwebu benodi (a) asiantiaid pôl i fod yn bresennol mewn gorsafoedd pleidleisio er mwyn canfod cambersonadu, a (b) asiantiaid cyfrif i fod yn bresennol wrth i’r pleidleisiau gael eu cyfrif.
Notes: Gweler y cofnodion am poll/pôl a polling/pôl ym maes gwleidyddiaeth. Daw'r testun cyd-destunol o Orchymyn Senedd Cymru (Cynrychiolaeth y Bobl) 2025.
Last updated: 23 March 2026
Welsh: asiant rheoli
English: managing agent
Status C
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: asiantiaid rheoli
Context: Bydd angen i ni gydweithio er mwyn sicrhau bod rhydd-ddeiliaid ac asiantiaid rheoli yn ymwybodol o'r cyngor a'r canllawiau mwyaf diweddar ar gynnal profion a mesurau rhagofalus er mwyn sicrhau bod y rhai sy'n byw mewn adeiladau uchel iawn yn y sector preifat yn cael eu diogelu i'r un graddau rhag risgiau diangen.
Last updated: 9 August 2017
Welsh: asiant rhestrau cynnwys a chyflwr
English: inventory agent
Status A
Subject: Housing
Part of speech: Noun, Masculine, Singular
Plural: asiantiaid rhestrau cynnwys a chyflwr
Notes: Gweler y nodyn gyda'r cofnod am 'inventory service'
Last updated: 7 March 2018
Welsh: asiant sy'n gosod neu'n rheoli tai
English: letting/managing agent
Status C
Subject: Housing
Part of speech: Noun, Masculine, Singular
Last updated: 6 July 2012
Welsh: Asiant Tir y Weinyddiaeth Amddiffyn
English: Defence Land Agent
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 29 November 2018
Welsh: asiant trosglwyddo
English: relay agent
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 6 September 2012
Welsh: asiantwyr
English: agents
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 29 July 2003
Welsh: Asiant y Cyflogwr
English: Employer's Agent
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Last updated: 13 May 2004
Welsh: asid amino
English: amino acid
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 14 April 2008
Welsh: asidau amino basig
English: basic amino acids
Status C
Subject: Law
Part of speech: Noun, Plural
Last updated: 14 April 2008
Welsh: asidau amino hanfodol
English: essential amino acids
Status B
Subject: Food
Part of speech: Noun, Plural
Last updated: 25 January 2012
Welsh: asidau brasterog hanfodol
English: essential fatty acids
Status A
Subject: Food
Part of speech: Noun, Plural
Last updated: 24 January 2011
Welsh: asid deocsiriboniwcleig
English: deoxyribonucleic acid
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Defnyddir yr acronym DNA yn gyffredin.
Last updated: 22 July 2020
Welsh: asid deocsiriboniwcleig
English: DNA
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg am deoxyribonucleic acid.
Last updated: 22 July 2020
Welsh: asidedd titradiadwy
English: titratable acidity
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Definition: The titratable acidity of a solution is an approximation of the solution's total acidity.
Last updated: 18 October 2016
Welsh: asid ffolig
English: folic acid
Status A
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 9 October 2008
Welsh: asid glwtamig
English: glutamic acid
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
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: asid niwclëig
English: nucleic acid
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 14 April 2008
Welsh: asid ocsalig
English: oxalic acid
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 4 December 2025
Welsh: asid pantothenig
English: pantothenic acid
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 6 November 2019
Welsh: asid perfflworöoctan sylffonig
English: perfluorooctane sulfonic acid
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 6 October 2022
Welsh: asid perfflworohecsan sylffonig
English: perfluorohexane sulfonic acid
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Llygrydd organig parhaus.
Last updated: 18 September 2024
Welsh: asid perfflworooctanoig
English: perfluorooctanoic acid
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Llygrydd organig parhaus.
Last updated: 18 September 2024
Welsh: asid riboniwcleig
English: ribonucleic acid
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Defnyddir yr acronym RNA yn gyffredin.
Last updated: 22 July 2020
Welsh: asid riboniwcleig
English: RNA
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg am ribonucleic acid.
Last updated: 22 July 2020
Welsh: asid tranecsamig
English: tranexamic acid
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Meddyginiaeth a ddefnyddir i drin neu atal gwaedu trwm.
Last updated: 7 May 2025
Welsh: asid traws-frasterog
English: trans fatty acid
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last updated: 9 March 2012
Welsh: asio
English: fuse
Status C
Subject: Environment
Part of speech: Verb
Definition: melting of metal
Last updated: 16 September 2003
Welsh: ASO
English: ABE
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Adult Basic Education
Last updated: 4 January 2005
Welsh: asplenia
English: asplenia
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Sefyllfa lle nad yw’r ddueg yn gweithio o gwbl, neu lle na cheir dueg yn y corff. Mae’n gysylltiedig â risg uchel o heintiadau difrifol.
Last updated: 14 January 2021
Welsh: ASPPI
English: CYPSD
Status C
Subject: Welsh Government posts and departments
Part of speech: Noun, Feminine, Singular
Definition: Children and Young People's Strategy Division
Last updated: 15 April 2009
Welsh: Assembly Square
English: Assembly Square
Status C
Subject: Place-names
Part of speech: Proper noun
Context: Cardiff Bay
Last updated: 12 November 2010
Welsh: ASSIST: Atal Ysmygu mewn Ysgolion Uwchradd
English: ASSIST: Preventing Smoking in Secondary Schools
Status C
Subject: Health
Definition: Dogfen a gyhoeddwyd ym mis Medi 2007.
Last updated: 17 September 2007
Welsh: AST
English: AST
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: advanced skills teacher
Last updated: 17 January 2005
Welsh: astatin
English: astatine
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: At
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: astell bobi
English: baking sheet
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last updated: 8 November 2011
Welsh: astell dalcen
English: barge board
Status C
Subject: Estates and Cadw
Part of speech: Noun, Feminine, Singular
Plural: estyll talcen
Definition: Byrddau pren rhwng y to a thop y wal ar dalcen ty.
Last updated: 30 August 2024
Welsh: asthma
English: asthma
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 18 October 2004
Welsh: asthma mewn oedolion
English: adult asthma
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 5 May 2022
Welsh: asthma plant
English: childhood asthma
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 18 October 2004
Welsh: Asthma UK Cymru
English: Asthma UK Cymru
Status C
Subject: Health
Last updated: 23 June 2010
Welsh: astudiaeth achos
English: case study
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last updated: 24 May 2011