TermCymru

Results are displayed in Welsh alphabetical order A-Y

English: Disability Confident

Status B

Subject: Personnel

Part of speech: Proper noun

Definition: Cynllun gan Lywodraeth y DU i helpu cyflogwyr i recriwtio a chadw gweithwyr anabl.

Notes: Gweler yr erthygl ar y Model Cymdeithasol o Anabledd yn yr Arddulliadur. Yn unol â'r Model, mae amhariad ("impairment", a elwid yn "nam" o'r blaen) yn nodwedd ar berson, a all effeithio ar ei ymddangosiad neu ar sut y mae ei gorff neu ei feddwl yn gweithio; caiff pobl anabl (y gellir hefyd cyfeirio atynt fel "pobl anabledig" neu "bobl sy'n cael eu hanablu") eu hanablu gan ffactorau allanol fel yr amgylchedd, polisi neu arferion, neu yn sgil methiant i ddarparu addasiadau ar eu cyfer; ac anabledd yw canlyniad anablu pobl sydd ag amhariadau.

Last updated: 16 November 2023

Welsh: hyd lleiaf

English: minimum length

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: hyd llinell awtomatig

English: auto line length

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: hyd newidiol

English: variable length

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: hydoddiant dyfrllyd

English: aqueous solution

Status A

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 16 January 2013

Welsh: hydoddiant electrolyt

English: electrolyte solution

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Context: 'Diod electrolyt' yn bosibl hefyd mewn rhai cyd-destunau.

Last updated: 20 January 2010

Welsh: hydoddydd

English: solvent

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: hydoddyddion

Definition: Sylwedd, fel arfer hylif, sy'n gweithredu fel cyfrwng ar gyfer gwasgaru gronynnau sylwedd arall yn unffurf i ffurfio cymysgedd homogenaidd.

Notes: Gweler y cofnodion cysylltiedig am hydoddi (dissolve) a hydoddyn (solute). Mae'n bosibl y gwelir y ffurf 'toddydd(ion)' mewn cofnodion hŷn.

Last updated: 8 October 2026

Welsh: hydoddydd gweddilliol

English: residual solvent

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: hydoddyddion gweddilliol

Last updated: 8 October 2026

Welsh: hydoddyn

English: solute

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Plural: hydoddynnau

Definition: Sylwedd y mae ei ronynnau'n gwasgaru'n unffurf drwy sylwedd arall i ffurfio cymysgedd homogenaidd.

Notes: Gweler y cofnodion cysylltiedig am hydoddi (dissolve) a hydoddydd (solvent).

Last updated: 8 October 2026

Welsh: hydradu

English: hydration

Status B

Subject: Food

Part of speech: Verb

Last updated: 8 March 2012

Welsh: hydraidd

English: permeable

Status A

Subject: Environment

Part of speech: Adjective

Last updated: 6 January 2014

Welsh: hydrant tân

English: fire hydrant

Status B

Subject: Fire and rescue

Part of speech: Noun, Masculine, Singular

Plural: hydrantau tân

Definition: Pwynt cyswllt i'r brif bibell ddŵr er mwyn rhoi mynediad rhwydd i ddiffoddwyr tân at ddŵr, mewn achos o dân.

Notes: Mae hydrant ('hydrant') a fire hydrant ('hydrant tân') yn gyfystyr.

Last updated: 27 January 2026

Welsh: hydred

English: longitude

Status C

Subject: Planning

Part of speech: Noun, Masculine, Singular

Last updated: 20 May 2004

Welsh: hydrocarbonau aromatig polysyclig

English: polycyclic aromatic hydrocarbons

Status C

Subject: Environment

Part of speech: Noun, Plural

Definition: PAHs

Last updated: 26 July 2004

Welsh: hydrocarbonau aromatig polysyclig

English: PAHs

Status C

Subject: Environment

Part of speech: Noun, Plural

Definition: polycyclic aromatic hydrocarbons

Last updated: 4 January 2012

Welsh: hydrocarbonau polyaromatig

English: polyaromatic hydrocarbons

Status C

Subject: Environment

Part of speech: Noun, Plural

Definition: PAH

Last updated: 1 November 2010

Welsh: hydrocsiclorocwin

English: hydroxychloroquine

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Notes: Term allweddol COVID-19

Last updated: 2 July 2020

Welsh: hydrocsiclorocwin

English: hydroxychloroquine

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 25 February 2021

Welsh: hydrocsocobalamin

English: hydroxocobalamin

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Notes: Triniaeth ar gyfer diffyg fitamin B12.

Last updated: 3 July 2024

Welsh: hydroddaeareg

English: hydrogeology

Status B

Subject: Environment

Part of speech: Noun, Feminine, Singular

Last updated: 19 May 2022

Welsh: hydrodrydanol

English: hydroelectric

Status C

Subject: Environment

Part of speech: Adjective

Last updated: 12 August 2014

Welsh: hydrofflworocarbon

English: hydroflurocarbon

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 13 July 2006

Welsh: hydrogen

English: hydrogen

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Symbol cemegol: H

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

Last updated: 18 June 2025

Welsh: hydrogen sylffid

English: hydrogen sulphide

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 1 December 2008

Welsh: hydrogenu

English: hydrogenation

Status B

Subject: Food

Part of speech: Verb

Last updated: 8 March 2012

Welsh: hydrograffig

English: hydrographical

Status A

Subject: Environment

Part of speech: Adjective

Context: Nid yw newid parhaol mewn amodau hydrograffig yn cael effaith niweidiol ar ecosystemau morol.

Last updated: 6 June 2019

Welsh: hydroleg

English: hydraulics

Status C

Subject: Transport

Part of speech: Noun, Feminine, Singular

Last updated: 1 December 2004

Welsh: hydroleg thermol niwclear

English: nuclear thermal hydraulics

Status C

Subject: Planning

Part of speech: Noun, Feminine, Singular

Last updated: 17 January 2020

Welsh: hydrolig

English: hydraulic

Status C

Subject: Agriculture

Part of speech: Adjective

Last updated: 21 July 2010

Welsh: hydrolysad protein

English: protein hydrolysate

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: hydrolysadau protein

Context: Mae'r defnydd o hydrolysadau protein fel ffynhonnell o brotein mewn fformiwla fabanod a fformiwla ddilynol wedi'i ganiatáu ers blynyddoedd lawer ac mae'r defnydd ohono wrth weithgynhyrchu llaeth fformiwla yn gyffredin yn y farchnad.

Last updated: 6 May 2021

Welsh: hydroponeg

English: hydroponics

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 12 August 2021

Welsh: hydroponig

English: hydroponic

Status C

Subject: Agriculture

Part of speech: Adjective

Last updated: 12 August 2021

Welsh: hydrotherapi

English: hydrotherapy

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 23 January 2025

Welsh: hyd testun

English: text length

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: hyd yr oedi

English: duration of pause

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: Hyfedredd

English: Proficient

Status B

Subject: Education

Part of speech: Adjective

Context: Disgrifiad o lefel cyrsiau iaith.

Last updated: 5 March 2015

Welsh: hyfedredd gyda rhif

English: proficiency with number

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Last updated: 3 November 2011

Welsh: hyfedrus

English: proficient

Status C

Subject: Education

Part of speech: Adjective

Definition: Rhan o’r Fframwaith Cymwysterau cenedlaethol ar gyfer dysgu Cymraeg i Oedolion.

Last updated: 31 December 2008

Welsh: hyfforddeiaeth

English: traineeship

Status B

Subject: Education

Part of speech: Noun, Feminine, Singular

Plural: hyfforddeiaethau

Last updated: 5 January 2026

Welsh: Hyfforddeiaeth Genedlaethol

English: National Traineeship

Status C

Subject: Education

Part of speech: Noun, Feminine, Singular

Last updated: 24 October 2002

Welsh: Hyfforddeiaeth Genedlaethol mewn Gofal ac Addysg y Blynyddoedd Cynnar

English: National Traineeship in Early Years Care and Education

Status C

Subject: Education

Part of speech: Noun, Feminine, Singular

Last updated: 22 January 2004

Welsh: Hyfforddeion a Gynorthwyir gan y Llywodraeth

English: Government Support Trainees

Status C

Subject: Personnel

Part of speech: Noun, Plural

Last updated: 10 December 2010

Welsh: hyfforddi

English: coach

Status C

Subject: Education

Part of speech: Verb

Definition: to coach

Last updated: 14 January 2003

Welsh: hyfforddi

English: coaching

Status B

Subject: Education

Part of speech: Verb

Definition: Rhaglen Arweinyddiaeth I Benaethiaid mewn Swydd

Last updated: 22 May 2003

Welsh: Hyfforddi a Datblygu

English: T&D

Status C

Subject: Personnel

Part of speech: Verb

Definition: Training and Development

Last updated: 15 July 2005

Welsh: Hyfforddi a Datblygu

English: Training and Development

Status C

Subject: Personnel

Part of speech: Verb

Definition: T&D

Last updated: 15 July 2005

Welsh: hyfforddi a datblygu cynghorwyr

English: training and development of councillors

Status C

Subject: Local government

Part of speech: Verb

Last updated: 2 November 2010

Welsh: hyfforddi a datblygu ym maes rheoli

English: management training and development

Status C

Subject: Personnel

Part of speech: Verb

Definition: Training and development in the field of management.

Last updated: 15 March 2006

Welsh: hyfforddi a datblygu ym maes tai

English: housing training and development

Status C

Subject: Housing

Part of speech: Verb

Last updated: 24 September 2002

Welsh: Hyfforddi Aelodau Bwrdd yr CCNCau

English: ASPB Board Members Training

Status C

Subject: Personnel

Part of speech: Verb

Last updated: 31 May 2006

TermCymru

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