TermCymru

Results are displayed in alphabetical order.

Welsh: [Nifer y] nosweithiau gwely

English: bednights

Status C

Subject: Tourism and leisure

Part of speech: Noun, Plural

Context: Canolfannau Croeso

Last updated: 13 February 2012

Welsh: Nifer yr Unedau Da Byw ar ei uchaf ar (dyddiad)

English: Highest Livestock Unit (LU) value on (date)

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 20 September 2005

Welsh: nifer yr wyau mewn carthion

English: faecal egg count

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: Nifer wyau paraseitiaid mewn carthion.

Last updated: 16 May 2007

Welsh: nifer yr ymweliadau

English: number of visits

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: nifer yr ymwelwyr

English: footfall

Status C

Subject: Tourism and leisure

Part of speech: Noun, Masculine, Singular

Context: Nifer ymwelwyr ag ardal, h.y. faint o "draed" sy'n taro'r llawr/yn syrthio ar y ddaear.

Last updated: 24 February 2005

Welsh: Niger

English: Niger

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: Nigeraidd

English: Nigerian

Status C

Subject: Personnel

Part of speech: Adjective

Last updated: 22 June 2007

Welsh: Nigeria

English: Nigeria

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: NIIAS

English: NIIAS

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Notes: Dyma’r acronym a ddefnyddir yn y ddwy iaith am y National Intelligent Integrated Audit Solution / Teclyn Archwilio Integredig Deallus Cenedlaethol.

Last updated: 17 November 2016

Welsh: Ninnau Hefyd!

English: Count Us In!

Status A

Subject: Personnel

Part of speech: Noun, Plural

Definition: Stonewall publication.

Last updated: 21 December 2004

Welsh: niobiwm

English: niobium

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Symbol cemegol: Nb

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

Last updated: 18 June 2025

Welsh: NISCC

English: NISCC

Status C

Subject: Social services

Part of speech: Noun, Masculine, Singular

Definition: Northern Ireland Social Care Council

Last updated: 7 October 2002

Welsh: nitrogen

English: nitrogen

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 11 July 2019

Welsh: nitrogen

English: nitrogen

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Symbol cemegol: N

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

Last updated: 18 June 2025

Welsh: nitrogen a geir mewn dom

English: manure nitrogen

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 9 June 2009

Welsh: nitrogen deuocsid

English: nitrogen dioxide

Status A

Subject: Transport

Part of speech: Noun, Masculine, Singular

Last updated: 27 October 2020

Welsh: nitrogen ocsid

English: nitrogen oxide

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: ocsidau nitrogen

Context: Prif amcan y rheolaeth ar allyriadau ocsidau nitrogen (NOx) o longau o dan Reoliadau Llongau Masnach (Atal Llygredd Aer o Longau) 2008 (fel y’u diwygiwyd) yw gwella ansawdd aer drwy ei gwneud yn ofynnol bod peiriannau a osodwyd ar long yn cyrraedd y safon a bennwyd ar gyfer allyriadau NOx.

Notes: Sylwer ar y drefn wrthdro ar gyfer y ffurf luosog. Yn gyffredinol yn Gymraeg, nodir enwau cemegol gan ddilyn trefn y symbolau. Serch hynny nid yw hyn yn gweithio'n ystyrlon yn achos ffurfiau lluosog.

Last updated: 6 June 2019

Welsh: Niue

English: Niue

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: Niwbwrch

English: Newborough

Status A

Subject: Place-names

Part of speech: Proper noun

Definition: Ynys Môn

Last updated: 14 August 2003

Welsh: niwcleocapsid

English: nucleocapsid

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: niwcleocapsidau

Definition: Genom feirws, ynghyd â’r amlen o broteinau sy’n ei amddiffyn.

Last updated: 23 July 2020

Welsh: niwcleoprotein

English: nucleoprotein

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: niwcleoproteinau

Last updated: 22 July 2020

Welsh: niwcleotid

English: nucleotide

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: niwcleotidau

Last updated: 22 July 2020

Welsh: niwclews bachog

English: uncinate nucleus

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: niwcleysau bachog

Definition: Rhan o’r hypothalamws yn yr ymennydd dynol.

Context: Dangosodd yr ymchwil honno mewn tair astudiaeth post-mortem fach (ond ystadegol gadarn) am unigolion a oedd yn profi dysfforia ryweddol, bod dwy ran ddwyffurf y system rywiol - israniad canolog niwclews gwaelodol y stria terminalis (BSTc) a'r niwclews bachog - wedi'u gwahaniaethu yn groes i nodweddion cromosomaidd, cenhedlol a gonadaidd y system rywiol.

Last updated: 21 April 2016

Welsh: niwclews gwaelodol

English: bed nucleus

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: niwcleysau gwaelodol

Last updated: 9 June 2016

Welsh: niwclid

English: nuclide

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 29 September 2005

Welsh: niwed afresymol

English: unreasonable prejudice

Status C

Subject: General

Part of speech: Noun, Masculine, Singular

Last updated: 25 January 2011

Welsh: niwed ar ôl rhoi genedigaeth

English: birth injuries

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Context: Dan gyfarwyddyd Gweinidogol i edrych ar adroddiadau ar dâp a rhwyll y wain, endometriosis ac anymataliaeth ysgarthol yn dilyn niwed ar ôl rhoi genedigaeth

Last updated: 7 November 2019

Welsh: niwed arwyddocaol

English: significant harm

Status B

Subject: Social services

Part of speech: Noun, Masculine, Singular

Notes: Ym maes diogelu plant. Dyma’r trothwy sy’n cyfiawnhau cymryd camau i ymyrryd ym mywyd y teulu er lles plentyn, o dan Ddeddf Plant 1989. Sylwer bod angen gwahaniaethu rhwng significant harm (niwed arwyddocaol) a substantial harm (niwed sylweddol) yn y maes hwn.

Last updated: 19 April 2023

Welsh: niwed arwyddocaol gwirioneddol

English: actual significant harm

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 3 October 2006

Welsh: niwed corfforol

English: bodily harm

Status B

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Last updated: 2 August 2012

Welsh: niwed corfforol difrifol

English: GBH

Status C

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Definition: grievous bodily harm

Last updated: 3 June 2011

Welsh: niwed corfforol difrifol

English: grievous bodily harm

Status C

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Definition: GBH

Last updated: 3 June 2011

Welsh: niwed corfforol difrifol

English: GBH

Status A

Subject: Law

Part of speech: Noun, Masculine, Singular

Notes: Dyma'r acronym a ddefnyddir yn gyffredin yn Saesneg am 'grievous bodily harm'. Argymhellir defnyddio'r term llawn yn Gymraeg hyd y bo modd, ond gellid defnyddio'r ffurf GBH mewn amgylchiadau eithriadol.

Last updated: 13 December 2017

Welsh: niwed corfforol difrifol

English: grievous bodily harm

Status A

Subject: Law

Part of speech: Noun, Masculine, Singular

Notes: Defnyddir yr acronym GBH yn gyffredin yn Saesneg. Argymhellir defnyddio'r term llawn yn Gymraeg hyd y bo modd, ond gellid defnyddio'r ffurf GBH mewn amgylchiadau eithriadol.

Last updated: 13 December 2017

Welsh: Niwed Cudd

English: Hidden Harm

Status C

Subject: Social services

Part of speech: Noun, Masculine, Singular

Definition: Nid yw'r ddogfen "Hidden Harm" a gyhoeddwyd gan y Cyngor Cynghorol ar Gamddefnyddio Cyffuriau yn 2003 wedi'i chyfieithu.

Last updated: 10 February 2005

Welsh: niwed cyfreithadwy

English: actionable harm

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 18 October 2011

Welsh: niwed i fuddiannau masnachol

English: prejudice to commercial interests

Status C

Subject: Religion

Part of speech: Noun, Masculine, Singular

Last updated: 5 November 2007

Welsh: niwed i’r claf

English: patient harm

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Context: Gellid defnyddio “niwed i gleifion”, gan ddibynnu ar y cyd-destun.

Last updated: 8 June 2015

Welsh: niwed i'r ymennydd

English: brain damage

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 30 October 2009

Welsh: niwed i’r ymennydd yn gysylltiedig ag alcohol

English: alcohol-related brain damage

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 8 June 2015

Welsh: niwed moesol

English: moral harm

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 4 February 2021

Welsh: niwed nad yw'n fân niwed

English: non-trivial harm

Status B

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Last updated: 2 July 2025

Welsh: niwed nad yw'n gysylltiedig â COVID

English: non-Covid harms

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 25 March 2021

Welsh: niwed na ellir ei wrthdroi

English: irreversible harm

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Context: Bydd y cynigion yn sicrhau gofal effeithiol drwy osgoi ymyriadau meddygol diangen y gallai fod angen eu gwrthdroi yn y dyfodol. Gall y cynigion hefyd leihau nifer yr achosion o niwed na ellir ei wrthdroi a allai ddeillio o driniaeth.

Last updated: 4 July 2024

Welsh: niwed personol

English: personal injury

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 18 October 2011

Welsh: niwed seicolegol

English: psychological harm

Status A

Subject: Health

Part of speech: Noun, Masculine, Singular

Context: The circumstances are that the applicant or any person who might reasonably be expected to reside with the applicant— [...] (b) is at risk of suffering psychological harm connected with previous [domestic or other abuse] (wherever it occurred) and living in the area of the local housing authority would reduce that risk; [...]

Last updated: 21 February 2025

Welsh: niwed sylweddol

English: substantial harm

Status B

Subject: Social services

Part of speech: Noun, Masculine, Singular

Notes: Ym maes diogelu plant ac oedolion. Sylwer bod angen gwahaniaethu rhwng significant harm (niwed arwyddocaol) a substantial harm (niwed sylweddol) yn y maes hwn.

Last updated: 19 April 2023

Welsh: niwed sylweddol

English: material detriment

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Last updated: 10 December 2004

Welsh: niwed sy'n gysylltiedig â gamblo

English: gambling-related harm

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 19 May 2022

Welsh: niweidio buddiannau

English: prejudice interests

Status C

Subject: Education

Part of speech: Verb

Last updated: 20 October 2011

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