TermCymru

Results are displayed in alphabetical order.
Welsh: achosi marwolaeth drwy gymryd cerbyd gwaethygedig
English: causing death by aggravated vehicle taking
Status B
Subject: Law
Part of speech: Verb
Notes: Teitl ar drosedd
Last updated: 27 November 2025
Welsh: achosi marwolaeth drwy yrru'n beryglus
English: causing death by dangerous driving
Status B
Subject: Justice and order
Part of speech: Verb
Last updated: 6 August 2012
Welsh: achosi neu ganiatáu marwolaeth neu niwed corfforol difrifol i blentyn neu berson agored i niwed
English: causing or allowing death or serious physical harm of child or vulnerable person
Status B
Subject: Law
Part of speech: Verb
Notes: Teitl ar drosedd
Last updated: 27 November 2025
Welsh: achosi niwed corfforol drwy yrru’n ddireol neu’n wyllt
English: causing bodily harm by wanton or furious driving
Status B
Subject: Law
Part of speech: Verb
Notes: Trosedd o dan Ddeddf Troseddau yn Erbyn y Person 1861. Fe’i defnyddir o bryd i’w gilydd pan na fydd troseddau gyrru eraill, mwy cyffredin, yn gymwys (ee os yw’r drosedd wedi digwydd oddi ar ffyrdd cyhoeddus).
Last updated: 22 June 2023
Welsh: achosi ofn, dychryn neu ofid i'r cyhoedd
English: public fear, alarm or distress
Status B
Subject: Law
Part of speech: Verb
Notes: Teitl ar drosedd
Last updated: 27 November 2025
Welsh: achosi ofn, dychryn neu ofid i'r cyhoedd, wedi'i waethygu gan hiliaeth neu grefydd
English: racially or religiously aggravated public fear, alarm or distress
Status B
Subject: Law
Part of speech: Verb
Notes: Teitl ar drosedd
Last updated: 27 November 2025
Welsh: achosion cyfreithiol
English: legal proceedings
Status C
Subject: Law
Part of speech: Noun, Plural
Last updated: 14 June 2004
Welsh: achosion fforffedu
English: forfeiture proceedings
Status B
Subject: Law
Part of speech: Noun, Plural
Last updated: 8 June 2020
Welsh: achosion gofal
English: care proceedings
Status C
Subject: Social services
Part of speech: Noun, Plural
Last updated: 5 March 2008
Welsh: achosion gofal plant
English: child care proceedings
Status C
Subject: Social services
Part of speech: Noun, Plural
Last updated: 5 March 2008
Welsh: achosion plant sydd heb eu neilltuo
English: unallocated children's cases
Status C
Subject: Social services
Part of speech: Noun, Plural
Last updated: 28 February 2005
Welsh: achosion y bu ond y dim iddynt ddigwydd
English: near-miss incidents
Status C
Subject: Health
Part of speech: Noun, Plural
Last updated: 17 October 2005
Welsh: achosi trallod i
English: distress
Status B
Subject: Justice and order
Part of speech: Verb
Context: anguish or affliction
Last updated: 31 July 2012
Welsh: achos lladd-dy
English: slaughterhouse case
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 3 October 2012
Welsh: achos lluosog
English: incident
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: achosion lluosog
Context: Gyda’i gilydd, dylent ystyried yr wybodaeth sydd ar gael a phenderfynu a allai clwstwr o achosion fod yn achos lluosog.
Notes: Yng nghyd-destun rheoli achosion o COVID-19 mewn ysgolion. Sylwer: nid 'digwyddiad'. Mae'r term hwn yn rhan o'r gyfres o dermau 'case' ('achos unigol'), 'cluster' ('clwstwr o achosion'), 'incident' ('achos lluosog') ac 'outbreak' ('brigiad o achosion').
Last updated: 22 July 2020
Welsh: achos llys
English: court proceedings
Status A
Subject: Law
Part of speech: Noun, Plural
Context: Also known as a "court case" and "court action".
Last updated: 14 June 2004
Welsh: achos llys
English: court action
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Context: Also known as a "court case" or "court proceedings".
Last updated: 20 November 2014
Welsh: achos newydd
English: new incident
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: achosion newydd
Definition: The number of Officially Tuberculosis Free (OTF) herds in which at least one reactor, inconclusive reactor (IR) taken as a reactor or a culture positive slaughterhouse case has been found in the quarter.
Notes: Term ar gyfer y Dangosfwrdd bTB yn benodol.
Last updated: 15 October 2015
Welsh: achos o ddwyn hunaniaeth
English: identity theft
Status A
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: Un enghraifft o'r weithred dwyllodrus o gasglu digon o wybodaeth bersonol am unigolyn fel y gall yr ymosodwr gymryd ei hunaniaeth er mwyn cyflawni rhyw fath o weithgarwch anghyfreithlon neu faleisus arall.
Notes: achosion o ddwyn hunaniaeth
Last updated: 21 December 2020
Welsh: achos o dân
English: outbreak of fire
Status B
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Plural: achosion o dân
Context: Ystyr “risg diogelwch tân” yw risg i ddiogelwch pobl yn yr adeilad neu o’i amgylch sy’n deillio o achos o dân mewn unrhyw ran o’r adeilad, neu ledaeniad tân o fewn unrhyw ran o’r adeilad, i unrhyw ran ohono neu o unrhyw ran ohono.
Last updated: 7 May 2025
Welsh: achos o ffliw pandemig
English: pandemic flu outbreak
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 22 September 2009
Welsh: achos o TB
English: TB breakdown
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 1 September 2010
Welsh: achos o TB mewn buches
English: TB herd breakdown
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 1 September 2010
Welsh: achos posibl o’r coronafeirws
English: suspected coronavirus case
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: achosion posibl o’r coronafeirws
Last updated: 12 March 2020
Welsh: achos sifil
English: civil proceeding
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: achosion sifil
Last updated: 13 May 2021
Welsh: achos troseddol
English: criminal proceedings
Status C
Subject: Law
Part of speech: Noun, Plural
Last updated: 24 July 2008
Welsh: achos troseddol
English: criminal case
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 6 August 2012
Welsh: achos unigol
English: case
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: achosion unigol
Context: Cyhoeddir y bydd brigiad o achosion wedi dod i ben 28 diwrnod ers dechrau’r achos unigol diwethaf a gadarnhawyd yn yr ysgol/lleoliad a bod unrhyw achosion unigol posibl ymysg dysgwyr neu staff yn y cyfnod hwnnw wedi cael canlyniad negatif.
Notes: Yng nghyd-destun rheoli achosion o COVID-19 mewn ysgolion. Argymhellir defnyddio'r term llawn ar y cyd â'r ffurf fer 'achos' mewn dogfennau, gan ddibynnu ar gyd-destun y frawddeg. Mae'r elfen 'unigol' wedi ei ychwanegu er eglurder yn y gyfres o dermau 'case' ('achos unigol'), 'cluster' ('clwstwr o achosion'), 'incident' ('achos lluosog') ac 'outbreak' ('brigiad o achosion').
Last updated: 22 July 2020
Welsh: achos wedi ei gau
English: case closed
Status B
Subject: Justice and order
Last updated: 6 August 2012
Welsh: achos wedi ei ohirio
English: case adjourned
Status B
Subject: Justice and order
Last updated: 6 August 2012
Welsh: achos wedi’i gadarnhau
English: confirmed breakdown
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Incidents in which postmortem examination of slaughtered cattle led to detection of bTB lesions or culture of M. bovis.
Context: TB
Last updated: 16 April 2012
Welsh: achrededig
English: accredited
Status C
Subject: Education
Part of speech: Adjective
Last updated: 7 December 2005
Welsh: Achrediad ASB Accreditation
English: Achrediad ASB Accreditation
Status A
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 28 July 2010
Welsh: Achrediad Cyfeillgar i Fabanod UNICEF UK
English: UNICEF UK Baby Friendly Accreditation
Status C
Subject: Waste
Part of speech: Noun, Masculine, Singular
Last updated: 16 August 2018
Welsh: Achrediad Diogelwch Cymunedol
English: Community Safety Accreditation
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 6 September 2005
Welsh: achrediad y Ddraig Werdd
English: Green Dragon accreditation
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 2 February 2009
Welsh: achredu
English: accreditation
Status C
Subject: Education
Part of speech: Verb
Definition: The approval of a higher education course by an authorized body.
Last updated: 22 July 2010
Welsh: Achredu Amgueddfeydd
English: Museum Accreditation
Status C
Subject: Culture and the arts
Part of speech: Verb
Last updated: 6 January 2011
Welsh: achredu ansawdd
English: accreditation of quality
Status C
Subject: Local government
Part of speech: Verb
Last updated: 2 November 2010
Welsh: achub
English: salvage
Status A
Subject: Estates and Cadw
Part of speech: Verb
Context: With regard to shipping.
Last updated: 25 June 2013
Welsh: Achub, Adolygu ac Adnewyddu
English: Rescue, Review and Renew
Status A
Subject: Education
Part of speech: Proper noun
Notes: Elfennau’r Cynllun Cadernid ar gyfer y Sector Ôl-16
Last updated: 6 August 2020
Welsh: Achub Bywyd Cymru
English: Save a Life Cymru
Status B
Subject: Health
Part of speech: Proper noun
Notes: Partneriaeth ar gyfer gweithgarwch achub bywydau.
Last updated: 4 July 2024
Welsh: achubwr bywydau
English: lifeguard
Status C
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last updated: 11 June 2007
Welsh: Achub y Plant
English: Save the Children
Status C
Subject: Social services
Part of speech: Verb
Last updated: 14 August 2003
Welsh: achwynwyr
English: complainants
Status C
Subject: General
Part of speech: Noun, Plural
Last updated: 23 September 2009
Welsh: achwynydd
English: complainant
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 8 November 2004
Welsh: aciwbigo
English: acupuncture
Status A
Subject: Health
Part of speech: Verb
Context: Ystyr “aciwbigo” (“acupuncture”) yw gosod nodwyddau ym meinwe unigolyn at ddibenion adfer neu ddibenion therapiwtig, ond ac eithrio gosod nodwyddau mewn meinwe at ddiben chwistrellu unrhyw sylwedd.
Notes: Daw'r testun cyd-destunol o Ddeddf Iechyd y Cyhoedd (Cymru) 2017.
Last updated: 13 June 2025
Welsh: aciwtedd
English: acuity
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: The degree to which a disease or symptom is acute.
Context: O ran salwch.
Last updated: 31 March 2014
Welsh: ACM
English: ACM
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Context: Bydd y profion newydd hyn yn ail-greu chwe threfniant cladin ACM ac inswleiddio gwahanol a geir yn aml ar adeiladau yn y DU.
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am Aluminium Composite Material / Deunydd Cyfansawdd Alwminiwm, math o gladin allanol ar gyfer waliau adeiladau.
Last updated: 9 August 2017
Welsh: acne
English: acne
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