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Welsh: mandadol

Status A

Subject: Law

Part of speech: Adjective

Definition: y mae rhaid ei wneud, gorfodol, heb fod dewis yn ei gylch

Notes: Gwahaniaethir rhwng "mandadol" ("mandatory") a "gorfodol" ("compulsory") mewn deddfwriaeth ee gwahaniaethir rhwng "oedran ysgol gorfodol" ("compulsory school age") a "sgiliau trawsgwricwlaidd mandadol" ("mandatory cross-curricular skills") yn Neddf Cwricwlwm a Sgiliau (Cymru) 2021. Cyfleu pwyslais gwahanol, yn hytrach nag ystyr wahanol, y gwna'r ddau air gwahanol yn y ddeddfwriaeth. Prin iawn yw'r angen i wahaniaethu rhwng "mandatory" a "compulsory" mewn deunyddiau cyffredinol ac fel arfer bydd "gorfodol" yn addas i drosi'r ddau air Saesneg mewn testunau y tu allan i'r ddeddfwriaeth.

Last Updated: 9 October 2025

English: mandatory

Welsh: mandadol

Status A

Subject: Law

Part of speech: Adjective

Definition: y mae rhaid ei wneud, gorfodol, heb fod dewis yn ei gylch

Notes: Gwahaniaethir rhwng "mandadol" ("mandatory") a "gorfodol" ("compulsory") mewn deddfwriaeth ee gwahaniaethir rhwng "oedran ysgol gorfodol" ("compulsory school age") a "sgiliau trawsgwricwlaidd mandadol" ("mandatory cross-curricular skills") yn Neddf Cwricwlwm a Sgiliau (Cymru) 2021. Cyfleu pwyslais gwahanol, yn hytrach nag ystyr wahanol, y gwna'r ddau air gwahanol yn y ddeddfwriaeth. Prin iawn yw'r angen i wahaniaethu rhwng "mandatory" a "compulsory" mewn deunyddiau cyffredinol ac fel arfer bydd "gorfodol" yn addas i drosi'r ddau air Saesneg mewn testunau y tu allan i'r ddeddfwriaeth.

Last Updated: 9 October 2025

English: mandatory approval conditions

Welsh: amodau cymeradwyo mandadol

Status A

Subject: Law

Part of speech: Noun, Plural

Context: Ystyr “amodau cymeradwyo mandadol” (“mandatory approval conditions”) yw’r amodau y mae tystysgrif gymeradwyo yn ddarostyngedig iddynt.

Notes: Daw'r testun cyd-destunol o Reoliadau Trwyddedau Triniaeth Arbennig (Cymru) 2024.

Last Updated: 13 June 2025

English: mandatory approval conditions

Welsh: amodau cymeradwyo mandadol

Status A

Subject: Law

Part of speech: Noun, Plural

Context: Ystyr “amodau cymeradwyo mandadol” (“mandatory approval conditions”) yw’r amodau y mae tystysgrif gymeradwyo yn ddarostyngedig iddynt.

Notes: Daw'r testun cyd-destunol o Reoliadau Trwyddedau Triniaeth Arbennig (Cymru) 2024.

Last Updated: 13 June 2025

English: Mandatory Build Standards

Welsh: Safonau Adeiladu Gorfodol

Status B

Subject: Environment

Part of speech: Proper noun, Feminine, Plural

Last Updated: 23 April 2012

English: Mandatory Build Standards

Welsh: Safonau Adeiladu Gorfodol

Status B

Subject: Environment

Part of speech: Proper noun, Feminine, Plural

Last Updated: 23 April 2012

English: mandatory concessionary fare

Welsh: pris siwrnai consesiynol gorfodol

Status A

Subject: Transport

Part of speech: Noun, Masculine, Singular

Plural: prisiau siwrneiau consesiynol gorfodol

Last Updated: 4 June 2018

English: mandatory concessionary fare

Welsh: pris siwrnai consesiynol gorfodol

Status A

Subject: Transport

Part of speech: Noun, Masculine, Singular

Plural: prisiau siwrneiau consesiynol gorfodol

Last Updated: 4 June 2018

English: mandatory digital waste tracking

Welsh: gwasanaeth digidol gorfodol ar gyfer tracio gwastraff

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last Updated: 22 December 2022

English: mandatory digital waste tracking

Welsh: gwasanaeth digidol gorfodol ar gyfer tracio gwastraff

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last Updated: 22 December 2022

English: mandatory exclusion ground

Welsh: sail fandadol dros wahardd

Status B

Subject: Law

Part of speech: Noun, Feminine, Singular

Plural: seiliau mandadol dros wahardd

Definition: O dan Ddeddf Caffael 2023, un o nifer o resymau a bennir yn y ddeddf a all arwain at wahardd cyflenwyr rhag cymryd rhan mewn prosesau caffael. Caiff rhai rhesymau eu pennu'n 'discretionary exclusion grounds' ('seiliau disgresiynol dros wahardd') ac eraill, mwy difrifol, eu pennu'n 'mandatory exclusion grounds' ('seiliau mandadol dros wahardd').

Notes: Term o faes caffael. Ychwanegwyd i’r gronfa yn sgil Deddf Caffael 2023 (deddfwriaeth Llywodraeth y DU, sydd ar gael yn Saesneg yn unig) a Rheoliadau Caffael (Cymru) 2024. Yn y ddeddfwriaeth ar gaffael, gwahaniaethir rhwng debarment / rhagwaharddiad ac exclusion / gwaharddiad.

Last Updated: 31 July 2024

English: mandatory exclusion ground

Welsh: sail fandadol dros wahardd

Status B

Subject: Law

Part of speech: Noun, Feminine, Singular

Plural: seiliau mandadol dros wahardd

Definition: O dan Ddeddf Caffael 2023, un o nifer o resymau a bennir yn y ddeddf a all arwain at wahardd cyflenwyr rhag cymryd rhan mewn prosesau caffael. Caiff rhai rhesymau eu pennu'n 'discretionary exclusion grounds' ('seiliau disgresiynol dros wahardd') ac eraill, mwy difrifol, eu pennu'n 'mandatory exclusion grounds' ('seiliau mandadol dros wahardd').

Notes: Term o faes caffael. Ychwanegwyd i’r gronfa yn sgil Deddf Caffael 2023 (deddfwriaeth Llywodraeth y DU, sydd ar gael yn Saesneg yn unig) a Rheoliadau Caffael (Cymru) 2024. Yn y ddeddfwriaeth ar gaffael, gwahaniaethir rhwng debarment / rhagwaharddiad ac exclusion / gwaharddiad.

Last Updated: 31 July 2024

English: mandatory gateway

Welsh: porth gorfodol

Status B

Subject: Housing

Part of speech: Noun, Masculine, Singular

Last Updated: 24 May 2012

English: mandatory gateway

Welsh: porth gorfodol

Status B

Subject: Housing

Part of speech: Noun, Masculine, Singular

Last Updated: 24 May 2012

English: mandatory ground

Welsh: sail orfodol

Status A

Subject: Housing

Part of speech: Noun, Feminine, Singular

Plural: seiliau gorfodol

Notes: Yng nghyd-destun adennill meddiant ar eiddo.

Last Updated: 26 November 2019

English: mandatory ground

Welsh: sail orfodol

Status A

Subject: Housing

Part of speech: Noun, Feminine, Singular

Plural: seiliau gorfodol

Notes: Yng nghyd-destun adennill meddiant ar eiddo.

Last Updated: 26 November 2019

English: Mandatory National Professional Qualification for Headship (NPQH) in Wales

Welsh: Cymhwyster Proffesiynol Cenedlaethol Gorfodol ar gyfer Prifathrawiaeth (CPCP) yng Nghymru

Status C

Subject: Education

Last Updated: 7 February 2008

English: Mandatory National Professional Qualification for Headship (NPQH) in Wales

Welsh: Cymhwyster Proffesiynol Cenedlaethol Gorfodol ar gyfer Prifathrawiaeth (CPCP) yng Nghymru

Status C

Subject: Education

Last Updated: 7 February 2008

English: mandatory order

Welsh: gorchymyn gorfodi

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last Updated: 17 May 2011

English: mandatory order

Welsh: gorchymyn gorfodi

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last Updated: 17 May 2011

English: mandatory post-16 educational and training needs assessment

Welsh: asesiad gorfodol o anghenion addysg a hyfforddiant ôl-16

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Last Updated: 14 May 2013

English: mandatory post-16 educational and training needs assessment

Welsh: asesiad gorfodol o anghenion addysg a hyfforddiant ôl-16

Status A

Subject: Education

Part of speech: Noun, Masculine, Singular

Last Updated: 14 May 2013

English: Mandatory Qualification

Welsh: Cymhwyster Gorfodol

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: MQ

Last Updated: 6 December 2005

English: Mandatory Qualification

Welsh: Cymhwyster Gorfodol

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: MQ

Last Updated: 6 December 2005

English: mandatory registration

Welsh: cofrestru gorfodol

Status C

Subject: Social services

Part of speech: Verb

Notes: Yng nghyd-destun y gweithlu gofal cymdeithasol.

Last Updated: 30 June 2022

English: mandatory registration

Welsh: cofrestru gorfodol

Status C

Subject: Social services

Part of speech: Verb

Notes: Yng nghyd-destun y gweithlu gofal cymdeithasol.

Last Updated: 30 June 2022

English: mandatory relief

Welsh: rhyddhad gorfodol

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Last Updated: 18 February 2005

English: mandatory relief

Welsh: rhyddhad gorfodol

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Last Updated: 18 February 2005

English: mandatory reporting

Welsh: adrodd mandadol

Status B

Subject: Social services

Part of speech: Verb

Definition: Y ddyletswydd sydd ar gyrff perthnasol i roi gwybod i awdurdodau priodol os oes ganddynt amheuaeth bod plentyn neu oedolyn sy'n agored i niwed yn cael ei gam-drin (a elwir hefyd yn 'duty to report'/'dyletswydd i hysbysu').

Notes: Dyma'r term a ddefnyddir yn Adroddiad yr Ymchwiliad Annibynnol i Gam-drin Plant yn Rhywiol (Hydref 2022)

Last Updated: 20 July 2023

English: mandatory reporting

Welsh: adrodd mandadol

Status B

Subject: Social services

Part of speech: Verb

Definition: Y ddyletswydd sydd ar gyrff perthnasol i roi gwybod i awdurdodau priodol os oes ganddynt amheuaeth bod plentyn neu oedolyn sy'n agored i niwed yn cael ei gam-drin (a elwir hefyd yn 'duty to report'/'dyletswydd i hysbysu').

Notes: Dyma'r term a ddefnyddir yn Adroddiad yr Ymchwiliad Annibynnol i Gam-drin Plant yn Rhywiol (Hydref 2022)

Last Updated: 20 July 2023

English: mandatory retirement age

Welsh: oedran ymddeol gorfodol

Status C

Subject: Social services

Part of speech: Noun, Masculine, Singular

Definition: MRA

Last Updated: 2 July 2008

English: mandatory retirement age

Welsh: oedran ymddeol gorfodol

Status C

Subject: Social services

Part of speech: Noun, Masculine, Singular

Definition: MRA

Last Updated: 2 July 2008

English: mandatory standstill period

Welsh: cyfnod segur mandadol

Status B

Subject: Law

Part of speech: Noun, Masculine, Singular

Plural: cyfnodau segur mandadol

Context: The “mandatory standstill period” is the period of eight working days beginning with the day on which a contract award notice is published in respect of the contract.

Notes: Term o faes caffael. Ychwanegwyd i’r gronfa yn sgil Deddf Caffael 2023 (deddfwriaeth Llywodraeth y DU, sydd ar gael yn Saesneg yn unig) a Rheoliadau Caffael (Cymru) 2024. Daw’r frawddeg gyd-destunol Saesneg o Ddeddf Caffael 2023.

Last Updated: 31 July 2024

English: mandatory standstill period

Welsh: cyfnod segur mandadol

Status B

Subject: Law

Part of speech: Noun, Masculine, Singular

Plural: cyfnodau segur mandadol

Context: The “mandatory standstill period” is the period of eight working days beginning with the day on which a contract award notice is published in respect of the contract.

Notes: Term o faes caffael. Ychwanegwyd i’r gronfa yn sgil Deddf Caffael 2023 (deddfwriaeth Llywodraeth y DU, sydd ar gael yn Saesneg yn unig) a Rheoliadau Caffael (Cymru) 2024. Daw’r frawddeg gyd-destunol Saesneg o Ddeddf Caffael 2023.

Last Updated: 31 July 2024

English: mandatory storage period

Welsh: cyfnod storio gorfodol

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: Genetic context.

Last Updated: 23 November 2007

English: mandatory storage period

Welsh: cyfnod storio gorfodol

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: Genetic context.

Last Updated: 23 November 2007

English: Mandatory Supporting Capital Works

Welsh: Gwaith Cyfalaf Ategol Gorfodol

Status A

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Notes: Math o brosiect o dan gynllun grantiau bach Glastir.

Last Updated: 6 December 2016

English: Mandatory Supporting Capital Works

Welsh: Gwaith Cyfalaf Ategol Gorfodol

Status A

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Notes: Math o brosiect o dan gynllun grantiau bach Glastir.

Last Updated: 6 December 2016

English: mandible

Welsh: asgwrn yr ên

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last Updated: 7 June 2007

English: mandible

Welsh: asgwrn yr ên

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last Updated: 7 June 2007

English: mandibular third molar

Welsh: trydydd cilddant mandibwlar

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: trydydd cilddannedd mandibwlar

Definition: Un o’r ddau ddant cefn yn y rhes isaf o ddannedd yn y geg.

Notes: Mewn cyd-destunau llai technegol, mae'n debyg y byddai 'trydydd cilddant isaf' yn addas.

Last Updated: 26 October 2023

English: mandibular third molar

Welsh: trydydd cilddant mandibwlar

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: trydydd cilddannedd mandibwlar

Definition: Un o’r ddau ddant cefn yn y rhes isaf o ddannedd yn y geg.

Notes: Mewn cyd-destunau llai technegol, mae'n debyg y byddai 'trydydd cilddant isaf' yn addas.

Last Updated: 26 October 2023

English: Mandle Terrace

Welsh: Rhes Mandle

Status C

Subject: Place-names

Part of speech: Proper noun

Context: Dolwyddelan

Last Updated: 8 July 2010

English: Mandle Terrace

Welsh: Rhes Mandle

Status C

Subject: Place-names

Part of speech: Proper noun

Context: Dolwyddelan

Last Updated: 8 July 2010

English: manganese

Welsh: manganîs

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: manganîs

Definition: Symbol cemegol: Mn

Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.

Last Updated: 18 June 2025

English: manganese

Welsh: manganîs

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: manganîs

Definition: Symbol cemegol: Mn

Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.

Last Updated: 18 June 2025

English: manganese chelate

Welsh: celad manganîs

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Manganîs (math o asid amino) ar ffurf atchwanegiad deiet.

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

English: manganese chelate

Welsh: celad manganîs

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Manganîs (math o asid amino) ar ffurf atchwanegiad deiet.

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

English: mangels

Welsh: mangls

Status C

Subject: Environment

Part of speech: Noun, Plural

Last Updated: 4 October 2005

English: mangels

Welsh: mangls

Status C

Subject: Environment

Part of speech: Noun, Plural

Last Updated: 4 October 2005

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