TermCymru

Results are displayed in alphabetical order.
English: hermetically sealed
Welsh: wedi'i selio'n aerglos
Status C
Subject: Agriculture
Part of speech: Adverb
Last Updated: 18 February 2009
English: Hermitage
Welsh: Hermitage
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Wrecsam. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Wrecsam (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: hernia
Welsh: torgest
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last Updated: 18 October 2004
English: hernia repair
Welsh: trwsio torllengig
Status C
Subject: Health
Part of speech: Verb
Last Updated: 23 January 2009
English: herniated disc
Welsh: disg torgestol
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: A disc between vertebrae that has become displaced, causing pain because of pressure on the nerves of the spine.
Notes: Dyma’r term technegol am ‘slipped disc’.
Last Updated: 24 October 2016
English: heroin
Welsh: heroin
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 14 August 2003
English: Heroin Assisted Treatment
Welsh: Triniaeth â Chymorth Heroin
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last Updated: 12 March 2020
English: herpes
Welsh: herpes
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 29 September 2005
English: herring
Welsh: penwaig
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 29 July 2004
English: herring
Welsh: pennog
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Plural: penwaig
Definition: Clupea harengus
Last Updated: 14 March 2019
English: herring gull
Welsh: gwylan y penwaig
Status A
Subject: Birds
Part of speech: Noun, Feminine, Singular
Last Updated: 4 June 2004
English: Her Royal Highness the Countess of Wessex
Welsh: Ei Huchelder Brenhinol Iarlles Wessex
Status B
Subject: Honorary titles
Part of speech: Noun, Feminine, Singular
Last Updated: 3 October 2019
English: Her Royal Highness the Princess of Wales
Welsh: Ei Huchelder Brenhinol Tywysoges Cymru
Status B
Subject: Honorary titles
Part of speech: Proper noun
Last Updated: 9 October 2024
English: Hertfordshire
Welsh: Swydd Hertford
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Enw sir yn Lloegr. Safonwyd y ffurf hon gan Banel Safoni Enwau Lleoedd Comisiynydd y Gymraeg fel rhan o restr o siroedd Lloegr. Am ragor o wybodaeth am y prosiect safoni hwn, gweler gwefan Comisiynydd y Gymraeg.
Last Updated: 17 June 2025
English: HES
Welsh: gwasanaeth llygaid mewn ysbyty
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: gwasanaethau llygaid mewn ysbyty
Notes: Dyma'r acronym Saesneg a ddefnyddir am 'hospital eye service'.
Last Updated: 25 November 2022
English: HESA
Welsh: HESA
Status A
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Higher Education Statistics Agency
Notes: Yr acronym hwn yw teitl swyddogol yr Asiantaeth Ystadegau Addysg Uwch.
Last Updated: 24 May 2018
English: HESA
Welsh: Awdurdod Safonau Addysg Uwch
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: Higher Education Standards Authority
Last Updated: 25 March 2010
English: hesitation
Welsh: petruso
Status C
Subject: Education
Part of speech: Verb
Definition: A halting or faltering in speech.
Context: Atal dweud (a elwir hefyd yn siarad ag atal neu ddiffyg rhuglder) – lleferydd a nodweddir gan lawer o ailadrodd neu estyn synau, sillafau neu eiriau, neu gan lawer o betruso neu oedi sy'n tarfu ar lif rhythmig y lleferydd. Dim ond os yw'n ddigon difrifol i darfu'n sylweddol ar ruglder y lleferydd y dylid ei gategoreiddio’n anhwylder.
Last Updated: 8 February 2016
English: HESP
Welsh: Rhaglen Arbed Ynni Cartrefi
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Home Energy Saving Programme
Last Updated: 2 January 2009
English: hessian sack
Welsh: sach hesian
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 4 December 2012
English: HETAS
Welsh: Cynllun Profi a Chymeradwyo Offer Gwresogi
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Heating Equipment Testing and Approval Scheme
Last Updated: 6 April 2011
English: heterogenous virus seeding
Welsh: cyflwyno amrywiadau genynnol heterogenaidd ar y feirws
Status B
Subject: Health
Part of speech: Verb
Last Updated: 29 October 2020
English: heteronormative
Welsh: heteronormadol
Status B
Subject: Personnel
Part of speech: Adjective
Last Updated: 24 June 2021
English: heterosexual
Welsh: heterorywiol
Status B
Subject: General
Part of speech: Adjective
Definition: Disgrifiad o ddyn sydd â chyfeiriadedd rhywiol a/neu ramantaidd at fenywod neu at fenyw sydd â chyfeiriadedd rhywiol a/neu ramantaidd at ddynion.
Notes: Mae'r ffurfiau straight/syth yn gyfystyr.
Last Updated: 8 December 2022
English: heterozygous
Welsh: heterosygaidd
Status C
Subject: Agriculture
Part of speech: Adjective
Last Updated: 29 July 2003
English: HEW
Welsh: AUC
Status A
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Higher Education Wales
Last Updated: 14 April 2004
English: hex
Welsh: hecs
Status B
Subject: ICT
Part of speech: Noun, Plural
Last Updated: 19 July 2005
English: hexachlorobenzene
Welsh: hecsaclorobensen
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 1 November 2010
English: hexachlorobutadiene
Welsh: hecsaclorobiwtadïen
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 1 November 2010
English: hexachlorocyclohexane
Welsh: hecsacloroseiclohecsan
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 1 November 2010
English: hexadecimal
Welsh: hecsadegol
Status B
Subject: ICT
Part of speech: Adjective
Last Updated: 19 July 2005
English: hexadecimal notation
Welsh: nodiant hecsadegol
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: hexafluoride
Welsh: hecsafflẅorid
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 13 July 2006
English: hex digit
Welsh: digid hecs
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: HFEA
Welsh: Awdurdod Ffrwythlondeb ac Embryoleg Dynol
Status A
Subject: Health
Part of speech: Proper noun, Masculine, Singular
Definition: Human Fertilisation and Embryology Authority
Last Updated: 14 July 2014
English: HFG
Welsh: Grant Cyllid Tai
Status A
Subject: Housing
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am Housing Finance Grant.
Last Updated: 7 October 2021
English: HFMA
Welsh: Cymdeithas Rheoli Cyllid Gofal Iechyd
Status A
Subject: Health
Part of speech: Proper noun, Feminine, Singular
Definition: Healthcare Finance Management Association
Last Updated: 17 October 2013
English: HFSCS
Welsh: Gwiriadau Diogelwch Tân yn y Cartref
Status C
Subject: Fire and rescue
Part of speech: Noun, Plural
Definition: Home Fire Safety Checks
Last Updated: 29 January 2008
English: HFU
Welsh: Cronfa 'Horizon' ar gyfer Prifysgolion
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Horizon Fund for Universities
Last Updated: 22 July 2010
English: HGV Road User Levy Act 2013
Welsh: Deddf Ardoll Defnyddwyr Ffyrdd Cerbydau Nwyddau Trwm 2013
Status A
Subject: Titles of legislation
Part of speech: Proper noun, Feminine, Singular
Last Updated: 3 December 2012
English: HHP
Welsh: Iechyd i Weithwyr Iechyd Proffesiynol
Status A
Subject: Health
Part of speech: Proper noun, Masculine, Singular
Context: Health for Healthcare Professionals
Last Updated: 27 September 2012
English: HHSRS
Welsh: Y System Mesur Iechyd a Diogelwch ar gyfer Tai
Status B
Subject: Housing
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am Housing Health and Safety Rating System.
Last Updated: 13 February 2025
English: HHV-8
Welsh: feirws herpes dynol math 8
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma’r acronym Saesneg a ddefnyddir am ‘human herpes virus type 8’.
Last Updated: 8 December 2022
English: HI
Welsh: amhariad ar y clyw
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am 'hearing impairment'. 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: 8 November 2023
English: HIA
Welsh: HIA
Status C
Subject: Health
Definition: Health Impact Assessment
Last Updated: 14 September 2004
English: HIAA
Welsh: Deddf Gofal Iechyd (Trefniadau Rhyngwladol) 2019
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am yr Healthcare (International Arrangements) Act 2019. Teitl cwrteisi ar ddarn o ddeddfwriaeth sydd ar gael yn Saesneg yn unig.
Last Updated: 1 September 2022
English: HIAT
Welsh: HIAT
Status C
Subject: Health
Definition: Health Information Analysis Team
Last Updated: 25 August 2005
English: Hib
Welsh: Hib
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Haemophilus influenzae type b
Last Updated: 14 August 2003
English: Hib/MenC vaccine
Welsh: brechlyn Hib/MenC
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last Updated: 15 August 2011
English: HIC
Welsh: Y Consortiwm Arloesi mewn Gofal Iechyd
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am Healthcare Innovation Consortium.
Last Updated: 18 September 2025