TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: tir y fferm gartre
English: home farm land
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 13 July 2010
Welsh: tir y Goron
English: Crown land
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: tiroedd y Goron
Definition: Tir y mae buddiant y Goron neu fuddiant y Ddugiaeth ynddo.
Last updated: 11 November 2024
Welsh: tir y mae’r risg o oferu drosto yn isel
English: land that has a low run-off risk
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Plural: tiroedd y mae'r risg o oferu drostynt yn isel
Notes: Yng nghyd-destun rheoli llygredd amaethyddol.
Last updated: 1 October 2020
Welsh: tir y mae’r tenant wedi trefnu nad oes cwota yn perthyn iddo
English: land from which quota has been removed
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 29 July 2003
Welsh: Tirymynach
English: Tirymynach
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol yn Sir Ceredigion. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Sir Ceredigion (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: tisian
English: sneeze
Status C
Subject: Health
Part of speech: Verb
Last updated: 22 September 2009
Welsh: titaniwm
English: titanium
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: Ti
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last updated: 18 June 2025
Welsh: titw mawr
English: great tit
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Parus major
Context: Lluosog: titwod mawr.
Last updated: 13 November 2014
Welsh: titw penddu
English: coal tit
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Parus ater
Context: Lluosog: titwod penddu.
Last updated: 13 November 2014
Welsh: titw'r wern
English: marsh tit
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Parus palustris
Context: Lluosog: titwod y wern.
Last updated: 13 November 2014
Welsh: titw Tomos las
English: blue tit
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Cyanistes caeruleus
Context: Formerly Parus caeruleus.
Last updated: 13 November 2014
Welsh: tiwb arnofio
English: float tubing
Status B
Subject: Tourism and leisure
Part of speech: Noun, Masculine, Singular
Last updated: 29 March 2006
Welsh: tiwb craidd
English: core tube
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: tiwbiau craidd
Context: Yn yr erthygl hon, ystyr “samplu fibrograidd” yw’r dechneg pan gaiff tiwb craidd ei durio i mewn i waddodion tanddwr megis tywod, silt, clai neu briddoedd meddal gan ddefnyddio pen dirgrynu, wedi ei bweru’n electronig neu’n hydrolig, i gasglu sampl graidd ddi-dor.
Notes: Daw'r frawddeg gyd-destunol o Orchymyn Trwyddedu Morol (Gweithgareddau Esempt) (Cymru) (Diwygio) 2026.
Last updated: 5 February 2026
Welsh: tiwb ffalopaidd
English: fallopian tube
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tiwbiau ffalopaidd
Last updated: 7 January 2025
Welsh: tiwbin
English: tubing
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tiwbinau
Notes: Rhan o gymhorthion clyw.
Last updated: 8 September 2020
Welsh: tiwb nasogastrig
English: nasogastric tube
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 16 April 2012
Welsh: tiwb pelydrau catod
English: cathode ray tube
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 25 July 2005
Welsh: tiwb profi
English: test tube
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tiwbiau profi
Last updated: 6 November 2019
Welsh: tiwb traceostomi
English: tracheostomy tube
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tiwbiau traceostomi
Context: Mae'n debygol o gynnwys tasgau fel gofal tiwb traceostomi, sugnedd llwybr anadlu, adleoli i reoli mannau pwyso ac ymyriadau gofal megis ffisiotherapi anadlol.
Last updated: 4 March 2021
Welsh: tiwb tryledu
English: diffusion tube    
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: tiwbiau tryledu
Definition: Dyfais ar gyfer mesur nitrogen deuocsid yn yr aer.
Last updated: 3 October 2019
Welsh: tiwb y glust
English: ear canal
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 8 September 2020
Welsh: tiwlip
English: tulip
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 27 January 2004
Welsh: tiwmor
English: tumour
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 2 February 2006
Welsh: tiwmorau'n ymosod
English: tumorous infiltration
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 10 September 2003
Welsh: tiwmor cychwynnol
English: primary tumour
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tiwmorau cychwynnol
Definition: Y tiwmor gwreiddiol, neu gyntaf, yn y corff. Gall celloedd canser o ganser cychwynnol ledu i rannau eraill o’r corff a ffurfio tiwmorau newydd, neu eilaidd. Metastasis yw’r enw ar hyn. Bydd y tiwmorau eilaidd o’r un fath o ganser â’r canser cychwynnol
Notes: Mae’r term primary cancer / canser cychwynnol yn gyfystyr.
Last updated: 25 November 2022
Welsh: tiwmor eilaidd
English: secondary tumour
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tiwmorau eilaidd
Definition: Canser sydd wedi lledu o’r man lle y cychwynnodd i ran arall o’r corff. Bydd canserau eilaidd o’r un math o ganser a’r canser cychwynnol (gwreiddiol). Er enghraifft, gall celloedd canser ledu o’r fron (canser cychwynnol) i ffurfio tiwmorau newydd yn yr ysgyfaint (canser eilaidd). Bydd y celloedd canser yn yr ysgyfaint yn unfath â’r rhai yn y fron.
Notes: Mae’r term secondary cancer / canser eilaidd yn gyfystyr.
Last updated: 25 November 2022
Welsh: tiwmor malaen
English: malignant tumour
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 7 May 2009
Welsh: tiwmor solet
English: solid tumour
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun canser.
Last updated: 9 December 2021
Welsh: tiwna
English: tuna
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Last updated: 8 June 2011
Welsh: tiwna albacore
English: albacore tuna
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Thunnus alalunga
Last updated: 14 March 2019
Welsh: tiwna asgell las
English: bluefin tuna
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Thunnus thynnus
Last updated: 14 March 2019
Welsh: tiwna llygad mawr
English: big-eye tuna
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Thunnus obesus
Last updated: 14 March 2019
Welsh: tiwnio i mewn
English: tune into
Status B
Subject: Education
Part of speech: Verb
Definition: Yng nghyd-destun cyfathrebu â babanod a phlant bach, cymryd sylw agos a bod yn ymwybodol o'r hyn y maent yn ei deimlo, yr hyn sydd ei angen arnynt neu'r hyn maent yn ei ddangos drwy eu hymddygiad a'u dulliau cyfathrebu. Mae'n cynnwys sylwi ar giwiau cynnil fel mynegiant wyneb, ystumiau neu dôn y llais, ac ymateb yn briodol.
Notes: Term a ddefnyddir yn neunyddiau'r cwricwlwm.
Last updated: 20 August 2025
Welsh: tiwtora gartref
English: home tuition
Status B
Subject: Education
Part of speech: Verb
Last updated: 22 October 2020
Welsh: Tiwtor Cwrs Achrededig
English: Accredited Course Tutor
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 7 December 2005
Welsh: tiwtoriaeth
English: preceptorship
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: tiwtoriaethau
Notes: Yng nghyd-destun hyfforddiant nyrsio.
Last updated: 28 July 2022
Welsh: Tiwtoriaid Cyswllt
English: Associate Tutors
Status C
Subject: Personnel
Part of speech: Noun, Plural
Last updated: 5 April 2011
Welsh: tiwtoriaid derbyn
English: admission tutors
Status C
Subject: Education
Part of speech: Noun, Plural
Last updated: 15 July 2005
Welsh: tiwtoriaid hunanreoli
English: self-management tutors
Status C
Subject: Personnel
Part of speech: Noun, Plural
Last updated: 15 March 2006
Welsh: Tiwtor Sefydlu
English: Induction Tutor
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 10 March 2009
Welsh: tâl
English: wage
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: Nid oes angen poeni gormod am wahaniaethu rhwng pay/salary/wage yn gyffredinol - heblaw am resymau cysondeb, ee mewn hysbysebion. Trafodwyd yng nghyfarfod terminoleg 'Personél/Cyfle Cyfartal', 6-12-02. OND 'cyflog' oedd y penderfyniad bryd hynny. Nodiadau yn iShare.
Last updated: 15 February 2005
Welsh: tâl
English: charge
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: taliadau
Notes: Yng nghyd-destun tacsis a mathau eraill o drafnidiaeth gyhoeddus. Gweler hefyd 'fare'.
Last updated: 4 June 2018
Welsh: Tŷ Ladywell
English: Ladywell House
Status C
Subject: Place-names
Part of speech: Noun, Masculine, Singular
Definition: Newtown
Last updated: 14 March 2006
Welsh: Tâl Archwilio Hylendid Llaeth
English: Dairy Hygiene Inspection Charge
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 29 July 2003
Welsh: tâl atal tagfeydd
English: congestion charge
Status C
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: taliadau atal tagfeydd
Last updated: 12 November 2024
Welsh: Tâl a Thâl Pensiynau Ymarferwyr Meddygol Cyffredinol (GMP) 2000-01
English: General Medical Practitioner (GMP) Remuneration and Super-annuable Remuneration 2000-01
Status C
Subject: Health
Definition: WHC(2000)28
Last updated: 6 November 2003
Welsh: tâl atodol
English: supplement
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 29 July 2003
Welsh: tlawd o ran tanwydd
English: fuel poor
Status C
Subject: Environment
Part of speech: Adjective
Last updated: 22 January 2009
Welsh: tâl cadw blynyddol
English: annual retainer
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Definition: Annual fee paid to ensure the services of someone.
Last updated: 22 December 2004
Welsh: tâl cosb
English: penalty charge
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 23 November 2007