TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: tyfu cregyn gleision ymlaen
English: mussel on-grow
Status A
Subject: Agriculture
Part of speech: Verb
Last updated: 28 February 2019
Welsh: Tyfu er mwyn yr Amgylchedd
English: Growing for the Environment
Status A
Subject: Agriculture
Part of speech: Proper noun
Last updated: 21 October 2021
Welsh: Tyfu er mwyn yr Amgylchedd
English: Growing for the Environment
Status A
Subject: Agriculture
Part of speech: Proper noun
Context: UDd(3487)
Last updated: 26 May 2022
Welsh: Tyfu'n Lleol Abertawe
English: Grow Local Swansea
Status A
Subject: Tourism and leisure
Part of speech: Proper noun
Definition: Community project.
Last updated: 27 February 2014
Welsh: Tyfu'n Wyrdd
English: Growing Green
Status C
Subject: Environment
Part of speech: Verb
Last updated: 5 January 2011
Welsh: tyfwr
English: grower
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Someone who grows crops.
Last updated: 10 October 2007
Welsh: Tyisha
English: Tyisha
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Gaerfyrddin. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Gaerfyrddin (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: tylino pen yn y dull Indiaidd
English: Indian Head Massage
Status C
Subject: Tourism and leisure
Part of speech: Verb
Last updated: 11 May 2006
Welsh: tylino pwyntiau sbardun
English: trigger point massage
Status B
Subject: Health
Part of speech: Verb
Definition: Gosod pwysau ar gyhyrau tyner er mwyn lliniaru ar boen neu gamweithrediad mewn rhannau eraill o'r corff.
Last updated: 5 August 2020
Welsh: tyllau turio ar gyfer cyfnewidydd gwres daear
English: earth heat exchanger boreholes
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 23 October 2003
Welsh: tylluan glustiog
English: short eared owl
Status A
Subject: Birds
Part of speech: Noun, Feminine, Singular
Definition: Asio flammeus
Last updated: 21 November 2012
Welsh: tyllu cosmetig
English: cosmetic piercing
Status C
Subject: Health
Part of speech: Verb
Last updated: 15 July 2011
Welsh: tyllu'r corff
English: body piercing
Status A
Subject: Health
Part of speech: Verb
Definition: Gwneud trydylliad yng nghroen neu ym mhilen fwcaidd unigolyn, gyda golwg ar alluogi (a) i emwaith, neu (b) i wrthrych o ddisgrifiad a ragnodir mewn rheoliadau neu o dan reoliadau, gael ei atodi i gorff yr unigolyn, ei fewnblannu yng nghorff yr unigolyn neu ei dynnu o gorff yr unigolyn.
Notes: Daw'r diffiniad o Ddeddf Iechyd y Cyhoedd (Cymru) 2017.
Last updated: 13 June 2025
Welsh: tyllwr corff
English: body piercer
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tyllwyr corff
Context: Effaith y Rhan hon yw diffinio'r rhannau o'r corff a ystyrir yn ‘bersonol’ a gwahardd tyllwyr corff rhag rhoi neu drefnu rhoi twll yn y rhannau hynny o'r corff yn achos plant o dan 18 oed.
Last updated: 10 September 2024
Welsh: tyllwr emrallt yr onnen
English: emerald ash borer
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Agrilus planipennis
Last updated: 9 April 2020
Welsh: Tylorstown
English: Tylorstown
Status C
Subject: Place-names
Part of speech: Proper noun
Last updated: 3 May 2007
Welsh: Tylorstown ac Ynys-hir
English: Tylorstown and Ynyshir
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Rhondda Cynon Taf. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Rhondda Cynon Taf (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: tymereddau
English: temperatures
Status A
Subject: Environment
Part of speech: Noun, Plural
Last updated: 30 October 2009
Welsh: tymestl
English: gale
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Context: Twigs break off trees. Great difficulty walking against wind. Beaufort scale 8.
Last updated: 21 July 2010
Welsh: tymestl gref
English: strong gale
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Context: Slight damage to buildings eg rooftiles blown off. Beaufort scale 9.
Last updated: 21 July 2010
Welsh: tymestl gymedrol
English: moderate gale
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Context: Whole trees sway. Difficulty walking against wind. Beaufort scale 7.
Last updated: 21 July 2010
Welsh: tymheredd cyfartalog blynyddol
English: annual average temperature
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 3 August 2010
Welsh: tymheredd cymedrig
English: mean temperature
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 3 August 2010
Welsh: tymheredd isaf y gaeaf
English: winter minimum temperature
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 3 August 2010
Welsh: tymheredd o dan wyneb y môr
English: sub-surface temperature
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 7 November 2011
Welsh: tymheredd uchaf yr haf
English: summer maximum temperature
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 3 August 2010
Welsh: tymheredd wyneb y môr
English: sea surface temperature
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 7 November 2011
Welsh: tymor agored
English: open season
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 14 March 2013
Welsh: tymor caeedig
English: closed season
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Context: Hunting and fishing.
Last updated: 27 January 2010
Welsh: tymor caeedig ar gyfer llusgrwydo am gregyn bylchog
English: closed season for scallop dredging
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 27 January 2010
Welsh: tymor cofrestru
English: sign up season
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Context: Ymgyrch addysg oedolion.
Last updated: 9 November 2009
Welsh: tymor cynrhoni
English: fly season
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 29 July 2003
Welsh: tymor llosgi
English: burning season
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 4 August 2010
Welsh: tymor nythu
English: bird breeding season
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 6 May 2005
Welsh: tymor prysur
English: high season
Status C
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last updated: 10 November 2010
Welsh: tymor pysgota cregyn bylchog
English: scallop season
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 9 June 2009
Welsh: tymor tawel
English: low season
Status C
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last updated: 10 November 2010
Welsh: tymor tyfu
English: growing season
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: tymhorau tyfu
Last updated: 1 October 2020
Welsh: tymor wyna
English: lambing period
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 5 February 2004
Welsh: Tymor y Cynulliad
English: Assembly Term
Status C
Subject: Politics
Part of speech: Noun, Masculine, Singular
Last updated: 14 August 2014
Welsh: tymor yr haf
English: summer term
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 8 June 2020
Welsh: tymor yr hydref
English: autumn term
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 8 June 2020
Welsh: tymor ysgwydd
English: shoulder season
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Plural: tymhorau ysgwydd
Definition: Yng nghyd-destun twristiaeth, cyfnod sydd rhwng tymor prysur a thymor tawel. Er enghraifft, os yw’r haf yn dymor prysur a’r gaeaf yn dymor tawel ar gyfer rhyw gyrchfan neu’i gilydd, gall yr hydref a’r gwanwyn fod yn dymhorau ysgwydd ar gyfer y gyrchfan honno.
Last updated: 12 January 2023
Welsh: tympan y glust
English: ear drum
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 8 September 2020
Welsh: Tyndyrn
English: Tintern
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Sir Fynwy
Last updated: 14 August 2003
Welsh: Tyne a Wear
English: Tyne and Wear
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
Welsh: tynhau
English: escalate
Status B
Subject: Health
Part of speech: Verb
Notes: Yng nghyd-destun COVID-19. Gellir ychwanegu elfennau fel 'cyfyngiadau' neu 'canllawiau' yn ôl y gofyn.
Last updated: 11 June 2020
Welsh: tynhau diogelwch y targed
English: target hardening  
Status B
Subject: Justice and order
Part of speech: Verb
Definition: Atal troseddau drwy wella diogelwch ffisegol y person neu'r eiddo sy'n cael ei warchod.
Notes: Gellid defnyddio 'gwella diogelwch' mewn cyd-destunau llai technegol.
Last updated: 14 December 2023
Welsh: tynhau i rybudd coch
English: escalated red alert
Status B
Subject: Health
Part of speech: Verb
Notes: Yng nghyd-destun Cynllun Llacio’r Cyfyngiadau Pandemig ar gyfer Deintyddiaeth yng Nghymru.
Last updated: 11 June 2020
Welsh: tŷ ynni goddefol
English: passive house
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 27 August 2009