TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: llathru ag aer
English: air polishing
Status B
Subject: Health
Part of speech: Verb
Notes: Ym maes deintyddiaeth
Last updated: 2 April 2020
Welsh: llathrudd
English: kidnapping
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Notes: Teitl ar drosedd. Dyma'r ffurf dechnegol, er mwyn gallu gwahaniaethu yn gyfreithiol rhwng kidnapping a hijack. Mewn cyd-destunau llai technegol, gellid ystyried defnyddio 'herwgipio'.
Last updated: 27 November 2025
Welsh: llathruddo
English: kidnap
Status B
Subject: Justice and order
Part of speech: Verb, Plural
Context: person
Last updated: 31 July 2012
Welsh: llathruddwr
English: kidnapper
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 31 July 2012
Welsh: llau pen
English: head lice
Status B
Subject: Health
Part of speech: Noun, Plural
Notes: Anhwylder y gellir ei drin drwy Wasanaeth Anhwylderau Cyffredin y GIG.
Last updated: 1 December 2022
Welsh: Llau Pen - Y Ffeithiau
English: The Facts about Headlice
Status A
Subject: Health
Context: Published in 2008.
Last updated: 29 October 2010
Welsh: llau pysgod
English: sea lice
Status A
Subject: Animals
Part of speech: Noun, Plural
Definition: Cramenogion bychan o deulu Caligidae. Maent yn baraseitiaid ar bysgod môr.
Last updated: 28 February 2019
Welsh: llau'r offeiriad
English: cleavers
Status C
Subject: Plants
Part of speech: Noun, Plural
Definition: A flower.
Last updated: 20 January 2006
Welsh: llawdriniaeth
English: operation
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: medical procedure
Last updated: 16 April 2003
Welsh: llawdriniaeth
English: surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: llawdriniaethau
Definition: Ymyriad llawfeddygol penodol a gynhelir i ddatrys problem iechyd. Gall gynnwys triniaethau syml a chyflym neu weithdrefnau cymhleth sy'n gofyn am aros yn yr ysbyty a chyfnod o adfer yn dilyn hynny.
Notes: Defnyddir y term yn benodol i gyfeirio at y weithred ei hun, nid y ddisgyblaeth.
Last updated: 24 September 2025
Welsh: llawdriniaeth adluniol
English: reconstructive surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 9 September 2024
Welsh: llawdriniaeth agored
English: open surgery
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: Y driniaeth y mae claf yn ei chael.
Last updated: 2 July 2014
Welsh: Llawdriniaeth Arbenigol
English: Specialist Surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 15 March 2004
Welsh: llawdriniaeth ar y galon
English: open heart surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Any surgery where the chest is opened and surgery is performed on the heart. The term "open" refers to the chest, not the heart itself (which may or may not be opened, depending on the type of surgery).
Last updated: 26 May 2004
Welsh: llawdriniaeth ar y geg
English: oral surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 16 April 2003
Welsh: llawdriniaeth bediatrig arbenigol
English: paediatric specialist surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 27 February 2006
Welsh: llawdriniaeth blastig
English: plastic surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 9 September 2024
Welsh: llawdriniaeth blastig a llosgiadau pediatrig
English: paediatric plastic surgery and burns
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 27 February 2006
Welsh: llawdriniaeth cataract
English: cataract operation
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: llawdriniaethau cataractau
Last updated: 19 April 2023
Welsh: llawdriniaeth cataractau
English: cataract surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 10 August 2004
Welsh: llawdriniaeth cytoleihaol
English: cytoreductive surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Triniaeth i leihau nifer y celloedd canseraidd yn y corff.
Last updated: 27 January 2022
Welsh: llawdriniaeth ddargyfeiriol
English: bypass operation
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: llawdriniaethau dargyfeiriol
Last updated: 24 October 2016
Welsh: llawdriniaeth ddargyfeiriol ar y galon
English: heart bypass surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 14 October 2003
Welsh: llawdriniaeth ddewisol
English: elective surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: beneficial to the patient but not essential for survival
Last updated: 17 January 2003
Welsh: llawdriniaeth ddydd
English: day surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Llawdriniaeth neu driniaeth arall a ddarperir i glaf ac nad yw'n golygu bod angen i'r claf hwnnw aros dros nos yn yr ysbyty.
Last updated: 23 September 2025
Welsh: llawdriniaeth drawmatig
English: traumatic surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 17 July 2006
Welsh: llawdriniaeth fariatrig
English: bariatric surgery
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: llawdriniaethau bariatrig
Definition: Llawdriniaeth ar gyfer lleihau pwysau. Mae sawl math gwahanol o lawdriniaeth fariatrig.
Context: Mae'r llwybr yn amlinellu’r gofynion gwasanaeth ar gyfer oedolion a phlant ar draws pedair lefel o gymorth, o waith atal ar draws yr holl boblogaeth ac ymyrraeth gynnar hyd at wasanaethau rheoli pwysau a gwasanaethau meddygol a llawdriniaeth fariatrig arbenigol ar gyfer gordewdra afiachus.
Last updated: 4 April 2019
Welsh: llawdriniaeth gên ac wyneb
English: maxillofacial surgery
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: maxillo - ‘adj pertaining to the maxilla (jaw, ,jawbone) and..’ The New Shorter Oxford Dictionary
Last updated: 3 November 2020
Welsh: llawdriniaeth gosmetig gywirol
English: corrective plastic surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 19 January 2006
Welsh: llawdriniaeth gyffredinol
English: general surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 17 July 2006
Welsh: Llawdriniaeth Gyffredinol Argyfwng
English: Emergency General Surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: Llawdriniaeth Gyffredinol Argyfwng
Last updated: 10 January 2018
Welsh: llawdriniaeth laparosgopig
English: laparoscopic surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 18 October 2004
Welsh: llawdriniaeth orthopedig
English: orthopaedic surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 17 July 2006
Welsh: llawdriniaeth rhwyll y wain
English: vaginal mesh procedure
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: llawdriniaethau rhwyll y wain
Last updated: 9 July 2020
Welsh: llawdriniaeth sy'n creu archoll mor fach â phosib
English: minimally invasive surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: llawdriniaethau sy'n creu archoll mor fach â phosib
Context: Bydd yn cynnwys adnoddau delweddu meddygol uwch felly bydd modd i staff y theatr a'r adran radioleg gydweithio. Drwy hyn, gall cleifion fanteisio ar wasanaethau delweddu a llawdriniaethau sy’n creu archoll mor fach â phosib ar yr un pryd ac yn yr un lle.
Last updated: 4 June 2018
Welsh: llawdriniaeth thorasig
English: thoracic surgery
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: Mae ein hymrwymiad i ddyfodol yr ysbyty'n glir, fel y dangosir gan y cyhoeddiad yn Ionawr 2018 y bydd y gwasanaeth llawdriniaeth thorasig yn Ne Cymru yn cael ei leoli yno.
Last updated: 3 October 2018
Welsh: llawdriniaeth twll clo
English: keyhole surgery
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 16 April 2003
Welsh: llawes coed
English: tree guard
Status C
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 27 May 2004
Welsh: llawesiad
English: intussusception
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: The inversion of one portion of intestine into another.
Last updated: 30 August 2013
Welsh: llawesrwyd
English: purse seine
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Math ar rwyd bysgota.
Context: Type of fishing net.
Last updated: 11 March 2013
Welsh: llawesrwyd a gaiff ei gweithio o ddau gwch
English: two-boat operated purse seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Plural: llawersrwydi a gaiff eu gweithio o ddau gwch
Last updated: 26 March 2020
Welsh: llawesrwyd sy’n cael ei gweithio o un cwch
English: one-boat operated purse seine
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Plural: llawesrwydi sy'n cael eu gweithio o un cwch
Last updated: 26 March 2020
Welsh: llawfeddyg
English: surgeon
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 17 January 2007
Welsh: llawfeddygaeth
English: surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Disgyblaeth feddygol sy'n ymwneud â rhoi triniaethau corfforol trwy dechnegau llawfeddygol.
Notes: Defnyddir y term yn benodol i gyfeirio at y ddisgyblaeth, nid at y weithred o roi llawdriniaeth.
Last updated: 24 September 2025
Welsh: llawfeddygaeth agored
English: open surgery
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Context: Y pwnc academaidd.
Last updated: 2 July 2014
Welsh: llawfeddygaeth fasgwlaidd
English: vascular surgery
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 7 May 2026
Welsh: llawfeddyg ymgynghorol
English: consultant surgeon
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 17 January 2007
Welsh: llawfeddyg ymyriadol endofasgwlaidd
English: endovascular interventionalist
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: llawfeddygon ymyriadol endofasgwlaidd
Context: Caiff y gweithlu amlddisgyblaethol mewn gwasanaethau fasgwlaidd ei gefnogi a’i ddatblygu er mwyn mynd i’r afael â lefelau cadw staff a sicrhau ei fod yn gynaliadwy, yn cael ei ddosbarthu’n deg a'i ehangu i ateb y galw cynyddol, gan ganolbwyntio ar feysydd allweddol fel ymyriadau endofasgwlaidd gan gynnwys llawfeddygon ymyriadol endofasgwlaidd a nyrsio arbenigol. 
Last updated: 10 April 2024
Welsh: llawlyfr
English: manual
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last updated: 19 July 2005
Welsh: Llawlyfr Adroddiadau Ariannol
English: Finance Reporting Manual
Status B
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 18 July 2018