TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: adwaith direolaeth thermol
English: thermal runaway
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Plural: adweithiau direolaeth thermol
Definition: Adwaith sy’n hunangynhaliol ac yn dwysáu’n ddilyffethair o fewn cell batri, ac a all olygu bod y batri yn mynd ar dân, yn ffrwydro neu’n rhyddhau nwyon gwenwynig.
Context: Mae adwaith direolaeth thermol yn un o’r peryglon mwyaf mewn batris ïonau lithiwm, pan fydd y tymheredd yn codi’n sydyn ac yn achosi ffrwydrad.
Last updated: 16 October 2025
Welsh: cyfarpar solar thermol
English: solar thermal equipment
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 3 February 2012
Welsh: cyfradd y mewnbwn thermol
English: rated thermal input
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Defined for the purposes of other legislation as 'the rate at which fuel can be burned at the maximum continuous rating of the appliance multiplied by the net calorific value of the fuel and expressed as megawatts thermal'.
Last updated: 5 September 2003
Welsh: cynhyrchu ynni adnewyddadwy thermol
English: thermal renewable energy generation
Status C
Subject: Environment
Part of speech: Verb
Context: Yng Nghymru, mae 62% o’r ynni adnewyddadwy a gynhyrchir yn deillio o ffynonellau gan gynnwys gwynt a haul ac mae 25% arall yn dod o ffynonellau cynhyrchu ynni adnewyddadwy thermol a 13% o ynni dŵr.
Last updated: 5 September 2019
Welsh: ffrwd thermol
English: thermal plume
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: ffrydiau thermol
Notes: Yng nghyd-destun astudiaethau hydroforffolegol.
Last updated: 23 March 2021
Welsh: glo thermol
English: thermal coal
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 9 June 2022
Welsh: hydroleg thermol niwclear
English: nuclear thermal hydraulics
Status C
Subject: Planning
Part of speech: Noun, Feminine, Singular
Last updated: 17 January 2020
Welsh: sgrin thermol
English: thermal screen
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 31 August 2010
Welsh: solar thermol
English: solar thermal
Status C
Subject: Environment
Part of speech: Adjective
Last updated: 6 August 2008
Welsh: system solar thermol
English: solar thermal system
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last updated: 6 August 2008
Welsh: technoleg trosi thermol
English: thermal conversion technology
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Technoleg sy’n troi deunydd biomas yn ffynhonnell ynni neu wres.
Last updated: 17 November 2011
Welsh: ynni thermol
English: thermal energy
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 5 December 2023