TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: Senedd Ieuenctid Ewrop
English: European Youth Parliament
Status C
Subject: Europe
Part of speech: Noun, Feminine, Singular
Last updated: 14 January 2003
Welsh: Senedd Pobl Hŷn Cymru
English: Welsh Senate of Older People
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Last updated: 10 November 2010
Welsh: Senedd San Steffan
English: Westminster Parliament
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 5 December 2011
Welsh: Senedd.tv
English: Senedd.tv
Status C
Subject: ICT
Part of speech: Neutral
Last updated: 1 November 2011
Welsh: Seneddwragedd y Gymanwlad
English: Commonwealth Women Parliamentarians
Status C
Subject: Politics
Part of speech: Noun, Plural
Last updated: 8 December 2004
Welsh: seneddwyr Cymru
English: Welsh parliamentarians
Status B
Subject: Politics
Part of speech: Noun, Plural
Definition: Y rheini sydd yn cynrychioli pobl Cymru mewn senedd-dai.
Context: Golyga hyn ddiwygio ein system etholiadol i alluogi seneddwyr Cymru i gynrychioli’r bobl yn fwy effeithiol, a mynd ati o ddifri i ystyried yr holl opsiynau ar gyfer dyfodol ein cyfansoddiad.
Last updated: 22 November 2021
Welsh: Senedd y Deyrnas Unedig
English: Parliament
Status A
Subject: Law
Part of speech: Noun, Feminine, Singular
Definition: deddfwrfa'r Deyrnas Unedig
Context: y rheolau mewnfudo neu ganiatâd Calais i aros o dan baragraff 352J o’r rheolau mewnfudo (a osodwyd gerbron Senedd y DU ar 23 Mai 1994
Notes: Y rheswm dros fabwysiadau "Senedd y Deyrnas Unedig"yn hytrach nag " y Senedd" yw er mwyn osgoi dryswch ag adeilad deddfwrfa Cymru a adwaenir fel "y Senedd" a'r ddedfwrfa ei hun bellach. Gellir defnyddio "Senedd y DU" hefyd.
Last updated: 16 November 2021
Welsh: Senedd yr Alban
English: Scottish Parliament
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Last updated: 27 June 2018
Welsh: Senegal
English: Senegal
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: Senghennydd
English: Senghenydd
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Caerffili
Last updated: 14 August 2003
Welsh: senoffobia
English: xenophobia
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 6 April 2006
Welsh: senon
English: xenon
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Xe
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: senotrawsblaniad
English: xenotransplantation
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: organ transplantation from a donor to a recipient of different species
Last updated: 28 April 2004
Welsh: Sense Cymru
English: Sense Cymru
Status A
Subject: Social services
Part of speech: Proper noun
Definition: A charity.
Last updated: 29 August 2013
Welsh: sensiteiddiwr anadlol
English: respiratory sensitiser
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sensiteiddwyr anadlol
Definition: Sylwedd a all, o'i anadlu, beri adwaith alergaidd yn y system anadlol.
Notes: Term a ddefnyddir yn Rheoliadau Ychwanegion Bwyd Anifeiliaid (Awdurdodiadau) (Cymru) 2022.
Last updated: 10 December 2024
Welsh: sensiteiddiwr croen
English: skin sensitiser
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: sensiteiddwyr croen
Definition: Sylwedd a all beri adwaith alergaidd o ddod i gyswllt â'r croen.
Notes: Daw'r testun cyd-destunol o Reoliadau Ychwanegion Bwyd Anifeiliaid (Awdurdodiadau) (Cymru) 2022.
Last updated: 10 December 2024
Welsh: sensitifedd dadansoddol
English: analytical sensitivity
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Mewn profion, y swm lleiaf o ddadansoddyn y gellir ei ganfod gyda sicrwydd a ddiffiniwyd.
Notes: Defnyddir yr acronym Saesneg ASe.
Last updated: 22 July 2020
Welsh: sensitifedd dadansoddol
English: ASe
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Mewn profion, y swm lleiaf o ddadansoddyn y gellir ei ganfod gyda sicrwydd a ddiffiniwyd.
Notes: Dyma'r acronym Saesneg a ddefnyddir am analytical sensitivity.
Last updated: 22 July 2020
Welsh: sensitifedd deiagnostig
English: diagnostic sensitivity
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Mewn profion, y tebygolrwydd y bydd sampl gan berson sydd â'r cyflwr targed arno yn arwain at ganlyniad positif yn sgil y prawf hwnnw.
Notes: Defnyddir yr acronym Saesneg DSe.
Last updated: 22 July 2020
Welsh: sensitifedd deiagnostig
English: DSe
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Mewn profion, y tebygolrwydd y bydd sampl gan berson sydd â'r cyflwr targed arno yn arwain at ganlyniad positif yn sgil y prawf hwnnw.
Notes: Dyma'r acronym Saesneg a ddefnyddir am diagnostic sensitivity.
Last updated: 22 July 2020
Welsh: sensitifrwydd cynefin
English: habitat sensitivity
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 12 June 2015
Welsh: Sensory Light Box
English: Sensory Light Box
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Enw masnachol ar ap a ddefnyddir gydag unigolion sydd ag anawsterau dysgu dwys a lluosog.
Last updated: 9 January 2020
Welsh: sent
English: cent
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Last updated: 3 November 2003
Welsh: sentinel
English: sentinel
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: sentineliaid
Definition: Unigolyn, neu ran o'r boblogaeth, a allai fod yn agored i haint penodol ac a gaiff ei fonitro rhag i'r pathogen sy'n achosi'r haint ymddangos neu ailymddangos ynddo.
Last updated: 16 July 2020
Welsh: sentinel
English: sentinel
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Anifail dangos clwy.
Last updated: 15 May 2006
Welsh: sentineliaid
English: sentinels
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Definition: Anifeiliaid dangos clwy.
Last updated: 15 May 2006
Welsh: SEO
English: SEO
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: Senior Executive Officer
Last updated: 13 May 2004
Welsh: sepsis
English: sepsis
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 24 September 2025
Welsh: sepsis systemig
English: systemic sepsis
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 2 April 2020
Welsh: sepsis systemig difrifol
English: severe systemic sepsis
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 9 October 2008
Welsh: septisemia
English: septicaemia
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 26 August 2014
Welsh: septisemia gwaedlifol feirysol
English: viral haemorrhagic septicaemia
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: VHS
Last updated: 16 May 2005
Welsh: Serbia
English: Serbia
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: Serbiaidd
English: Serbian
Status C
Subject: Personnel
Part of speech: Adjective
Last updated: 22 June 2007
Welsh: seremonïau dinesig
English: civic ceremonies
Status C
Subject: Law
Part of speech: Noun, Plural
Last updated: 17 May 2011
Welsh: seremonïau ffydd a chred
English: faith and belief ceremonies
Status B
Subject: Religion
Part of speech: Noun, Plural
Notes: Yng nghyd-destun canllawiau COVID-19.
Last updated: 23 July 2020
Welsh: seremoni briodas
English: wedding ceremony
Status C
Subject: Religion
Part of speech: Noun, Feminine, Singular
Last updated: 3 September 2007
Welsh: seremoni cwblhau hyfforddiant
English: passing out ceremony
Status B
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Last updated: 30 August 2012
Welsh: Seremoni Ddinasyddiaeth
English: Citizenship Ceremony
Status C
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Last updated: 22 August 2006
Welsh: seremoni gosod y garreg gopa
English: topping out ceremony
Status C
Subject: General
Part of speech: Noun, Feminine, Singular
Last updated: 9 November 2009
Welsh: seren
English: asterisk
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last updated: 19 July 2005
Welsh: seren, bal, pluen
English: star
Status A
Subject: Agriculture
Part of speech: Adjective
Definition: Horse markings
Last updated: 29 April 2005
Welsh: Seren Sylfaen
English: Seren Foundation
Status B
Subject: Education
Part of speech: Proper noun
Notes: Elfen o'r rhaglen Seren ar gyfer myfyrwyr disglair.
Last updated: 26 September 2019
Welsh: Seren Twristiaeth y Dyfodol
English: Rising Tourism Star
Status C
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Definition: Teitlau un o gategorïau Gwobrau Twristiaeth Cenedlaethol Cymru 2015.
Last updated: 5 March 2015
Welsh: Seren y Gêm
English: Man of the Match
Status A
Subject: Tourism and leisure
Part of speech: Noun, Feminine, Singular
Last updated: 17 March 2008
Welsh: serio cemegol
English: chemical cauterisation
Status C
Subject: Law
Part of speech: Verb
Last updated: 5 March 2007
Welsh: SERNIP
English: SERNIP
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Safety and Efficacy Register of New Invasive Procedures
Last updated: 14 April 2004
Welsh: serobositif
English: seropositive
Status C
Subject: Health
Part of speech: Adjective
Last updated: 15 March 2004
Welsh: seroddigwyddedd
English: seroincidence
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 16 July 2020
Welsh: serodrawsnewid
English: seroconversion
Status B
Subject: Health
Part of speech: Verb
Definition: Y broses lle bydd y corff yn datblygu gwrthgyrff y gellir eu synhwyro drwy brofion meddygol, mewn ymateb i haint. Cyn i’r broses o serodrawsnewid ddigwydd, ni fydd modd i brawf gwrthgyrff ddangos a yw’r unigolyn yn dioddef o’r haint hwnnw ai peidio.
Last updated: 2 July 2020