TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: amrywiolyn sy’n dianc rhag effaith brechlyn
English: vaccine escape variant
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: amrywiolion sy’n dianc rhag effaith brechlyn
Last updated: 14 December 2021
Welsh: brechlyn
English: vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau
Definition: Paratoad biolegol sy'n ysgogi ymateb imiwnyddol i afiechyd heintus penodol.
Last updated: 9 November 2023
Welsh: brechlyn anfyw
English: non-live vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau anfyw
Definition: Brechlyn nad yw’n cynnwys fersiwn fyw ar y feirws neu facteria y dymunir meithrin ymwrthedd iddo. Gall hyn gynnwys brechlynnau wedi’u hanactifadu (inactivated vaccines) yn ogystal â brechlynnau nad ydynt yn cynnwys unrhyw ran sylweddol o feirws neu facteria.
Notes: Cymharer â live attenuated vaccine / brechlyn gwanedig byw ac inactivated vaccine / brechlyn wedi’i anactifadu.
Last updated: 6 March 2025
Welsh: brechlyn BCG
English: BCG vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: brechlyn byw
English: live vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau byw
Last updated: 6 March 2025
Welsh: brechlyn COVID-19
English: COVID-19 vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Context: Mae cymeradwyo’r brechlyn COVID-19 cyntaf yn gynharach y mis hwn, a’r addewid o fwy i ddod, ynghyd â dechrau ein rhaglen frechu yn ystod yr wythnos ddiwethaf, wedi bod yn gam gwirioneddol ymlaen yn y pandemig.
Last updated: 21 December 2020
Welsh: brechlyn cyfun
English: combined vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: brechlyn deufalent
English: bivalent vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau deufalent
Last updated: 1 September 2022
Welsh: brechlyn DTaP/1PV/Hib
English: DTaP/1PV/Hib vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: brechlyn ffliw
English: influenza vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw
Context: Y cyngor isod yw'r cyngor gwyddonol diweddaraf ar defnyddio brechlynnau'r ffliw yn y DU ar gyfer tymor y ffliw 2019-20.
Last updated: 8 November 2018
Welsh: brechlyn ffliw gwanedig byw
English: live attenuated influenza vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw gwanedig byw
Last updated: 6 March 2025
Welsh: brechlyn ffliw i bawb
English: universal influenza vaccination
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw i bawb
Last updated: 30 September 2021
Welsh: brechlyn ffliw pedwarfalent a feithrinwyd mewn celloedd
English: quadrivalent influenza cell-culture vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw pedwarfalent a feithrinwyd mewn celloedd
Last updated: 21 September 2022
Welsh: brechlyn ffliw pedwarfalent a feithrinwyd mewn celloedd
English: QIVc
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw pedwarfalent a feithrinwyd mewn celloedd
Notes: Dyma’r acronym Saesneg a ddefnyddir am quadrivalent influenza cell-culture vaccine.
Last updated: 22 September 2022
Welsh: brechlyn ffliw pedwarfalent a feithrinwyd mewn wyau
English: quadrivalent influenza egg-culture vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw pedwarfalent a feithrinwyd mewn wyau
Last updated: 22 September 2022
Welsh: brechlyn ffliw pedwarfalent a feithrinwyd mewn wyau
English: QIVe
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw pedwarfalent a feithrinwyd mewn wyau
Notes: Dyma’r acronym Saesneg a ddefnyddir am quadrivalent influenza egg-culture vaccine.
Last updated: 22 September 2022
Welsh: brechlyn ffliw pedwarfalent gwanedig byw
English: live attenuated quadrivalent influenza vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw pedwarfalent gwanedig byw
Context: LAIV (brechlyn ffliw pedwarfalent gwanedig byw) yw'r brechlyn sy'n cael ei argymell i'w ddefnyddio gyda phob plentyn cymwys 2-17 oed, oni bai eu bod wedi cael eu cynghori i beidio â'i ddefnyddio.
Last updated: 6 March 2025
Welsh: brechlyn ffliw pedwarfalent trwyddedig i'w chwistrellu
English: licensed injectable quadrivalent influenza vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw pedwarfalent trwyddedig i'w chwistrellu
Context: Dylai plant y cynghorir yn ei erbyn rhoi LAIV iddynt gael cynnig brechlyn ffliw pedwarfalent trwyddedig i'w chwistrellu.
Last updated: 8 November 2018
Welsh: brechlyn ffliw pedwarfalent wedi'i anactifadu
English: quadrivalent inactivated influenza vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynau ffliw pedwarfalent wedi'u hanactifadu
Last updated: 6 March 2025
Welsh: brechlyn ffliw pedwarfalent yn seiliedig ar wyau
English: egg-based quadrivalent influenza vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw pedwarfalent yn seiliedig ar wyau
Last updated: 18 November 2025
Welsh: brechlyn ffliw sy'n cynnwys cyffur ategol
English: adjuvanted influenza vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw sy'n cynnwys cyffur ategol
Context: YN dilyn Cylchlythyr Iechyd Cymru 2017-052 a gyhoeddwyd ar 29 Tachwedd 2017, amgaeir gwybodaeth wedi'i diweddaru am y trefniadau archebu a dosbarthu ar gyfer y brechlyn ffliw sy'n cynnwys cyffur ategol ar gyfer y tymor 2018-19.
Last updated: 18 October 2018
Welsh: brechlyn ffliw trifalent dos uchel
English: high-dose trivalent influenza vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw trifalent dos uchel
Last updated: 21 September 2022
Welsh: brechlyn ffliw trifalent dos uchel
English: TIV-HD
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw trifalent dos uchel
Notes: Dyma’r acronym Saesneg a ddefnyddir am high-dose trivalent influenza vaccine.
Last updated: 22 September 2022
Welsh: brechlyn ffliw trifalent sy'n cynnwys cyffur ategol
English: adjuvanted trivalent influenza vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw trifalent sy'n cynnwys cyffur ategol
Context: Ar 29 Tachwedd 2017, dywedodd Cylchlythyr Iechyd Cymru [2017- 052] y dylai practisau meddygon teulu a darparwyr fferylliaeth gymunedol gynnig y brechlyn ffliw trifalent sy'n cynnwys cyffur ategol (aTIV) i bawb sy'n 65 oed ac yn hŷn yn 2018-19.
Last updated: 18 October 2018
Welsh: brechlyn ffliw trifalent sy'n cynnwys cyffur ategol
English: adjuvanted trivalent flu vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw trifalent sy'n cynnwys cyffur ategol
Context: Beth yw'r amserlen gyflenwi arfaethedig ar gyfer brechlyn ffliw trifalent sy'n cynnwys cyffur ategol (aTIV) yn 2018?
Last updated: 18 October 2018
Welsh: brechlyn ffliw trifalent yn seiliedig ar gelloedd
English: cell-based trivalent influenza vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau ffliw trifalent yn seiliedig ar gelloedd
Last updated: 18 November 2025
Welsh: brechlyn gwanedig byw
English: live attenuated vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau gwanedig byw
Definition: Brechlyn sy’n cynnwys fersiwn fyw sydd wedi ei wanhau ar y feirws neu facteria y dymunir meithrin ymwrthedd iddo, er mwyn ysgogi ymateb imiwnedd cryf ond heb beri salwch difrifol.
Notes: Cymharer â non-live vaccine / brechlyn anfyw ac inactivated vaccine / brechlyn wedi’i anactifadu.
Last updated: 6 March 2025
Welsh: brechlyn gwartheg
English: cattle vaccine
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 8 March 2012
Welsh: brechlyn Hepatitis B
English: Hepatitis B vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: brechlyn Hib/MenC
English: Hib/MenC vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: brechlyn i'w chwistrellu
English: injectable vaccine
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 10 December 2010
Welsh: brechlyn marw
English: killed vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 22 January 2009
Welsh: Brechlyn MenC
English: MenC vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: brechlyn MMR
English: MMR vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 August 2011
Welsh: brechlyn mRNA
English: mRNA vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau mRNA
Last updated: 16 September 2021
Welsh: brechlynnau ffliw pedwarfalent
English: quadrivalent influenza vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlyn ffliw pedwarfalent
Context: Ar 29 Tachwedd 2017, cynghorodd Cylchlythyr Iechyd Cymru [2017-052] y dylai practisau meddygon teulu a darparwyr fferylliaeth gymunedol gynnig i oedolion o dan 65 oed mewn grwpiau risg clinigol y brechlyn ffliw pedwarfalent (QIV) sy'n amddiffyn rhag pedw
Last updated: 18 October 2018
Welsh: brechlyn niwmococol
English: pneumococcal vaccine
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 15 August 2011
Welsh: brechlyn niwmococol cyfun
English: PCV
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: pneumococcal conjucate vaccine
Last updated: 14 May 2008
Welsh: brechlyn niwmococol cyfun
English: pneumococcal conjugate vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: PCV
Last updated: 20 May 2008
Welsh: brechlyn niwmococol polysacarid
English: polysaccharide pneumococcal vaccine
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: PPV
Last updated: 17 November 2011
Welsh: brechlyn niwmococol polysacarid
English: PPV
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: polysaccharide pneumococcal vaccine
Last updated: 17 November 2011
Welsh: brechlyn Novovax COVID-19
English: COVID-19 Novavax vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 12 August 2021
Welsh: brechlyn pedwarfalent sy'n cynnwys cyffur ategol
English: adjuvanted quadrivalent vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau pedwarfalent sy'n cynnwys cyffur ategol
Context: Ar hyn o bryd nid oes unrhyw frechlyn pedwarfalent sy'n cynnwys cyffur ategol ar gael i'w ddefnyddio yn y DU.
Last updated: 18 October 2018
Welsh: brechlyn pedwarfalent wedi'i anactifadu
English: quadrivalent inactivated vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau pedwarfalent wedi'u hanactifadu
Context: Mae'r drwydded wedi newid yn ddiweddar ar ddau frechlyn pedwarfalent wedi'i anactifadu ac maent bellach yn cael eu trwyddedu o 6 mis oed ymlaen.
Last updated: 6 March 2025
Welsh: brechlyn Pfizer-BioNTech
English: Pfizer BioNTech vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Brechlyn ar gyfer COVID-19. Sylwer y gall yr enw Saesneg cael ei ddefnyddio gyda chysylltnod (Pfizer-BioNTech) neu flaenslaes (Pfizer/BioNTech). Argymhellir cysylltnod yn y term Cymraeg yn ddiwahan, er cysondeb mewn testunau Cymraeg. Enw answyddogol yw hwn ar y brechlyn, sydd i raddau yn esbonio'r amrywiadau a geir yn yr orgraff yn Saesneg.
Last updated: 14 January 2021
Welsh: brechlyn polio wedi'i anactifadu
English: inactivated polio vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: brechlynnau polio wedi'u hanactifadu
Last updated: 6 March 2025
Welsh: brechlyn Prifysgol Rhydychen-AstraZeneca
English: Oxford AstraZeneca vaccine
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Brechlyn ar gyfer COVID-19. Sylwer y gall yr enw Saesneg cael ei ddefnyddio gyda chysylltnod (Oxford-AstraZeneca) neu flaenslaes (Oxford/AstraZeneca). Argymhellir cysylltnod yn y term Cymraeg yn ddiwahan, er cysondeb mewn testunau Cymraeg. Enw answyddogol yw hwn ar y brechlyn, sydd i raddau yn esbonio'r amrywiadau a geir yn yr orgraff yn Saesneg.
Last updated: 14 January 2021
Welsh: brechlyn seroteip 8
English: Serotype 8 vaccine
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 20 August 2008
Welsh: brechlyn TB ar gyfer moch daear
English: injectable TB vaccine for badgers
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Context: I'w chwistrellu.
Last updated: 12 December 2011
Welsh: brechlyn TB i’w chwistrellu
English: Injectable TB vaccine
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 12 December 2011