TermCymru

Results are displayed in Welsh alphabetical order A-Y

English: clinical validation

Status B

Subject: Health

Part of speech: Verb

Definition: Y broses o adolygu deiagnosis a ddogfennwyd er mwyn penderfynu a ydy'r meini prawf clinigol a dderbynnir yn gyffredinol gan y gymuned feddygol yn bresennol i gefnogi'r deiagnosis hwnnw.

Last updated: 21 July 2022

Welsh: dilysu data

English: data validation

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: dilysu defnyddwyr

English: user authentication

Status C

Subject: ICT

Part of speech: Verb

Context: Mae mwy a mwy o alw am dechnoleg dilysu defnyddwyr wrth i'r galw barhau i gynyddu am ffyrdd hwylus o adnabod defnyddwyr wrth iddynt ddefnyddio gwasanaethau talu ar ddyfeisiau symudol.

Last updated: 28 March 2019

Welsh: dilyswyd drwy brawf CO

English: CO-validated

Status B

Subject: Health

Part of speech: Adjective

Definition: Yng nghyd-destun cynlluniau rhoi'r gorau i smygu, disgrifiad o gyn-smygwr sydd yn adrodd nad yw wedi smygu am 28 diwrnod ac sydd, ar yr 28ain diwrnod, wedi cael prawf carbon monocsid (CO) mewn anadl sydd yn dangos llai na 10ppm o CO.

Last updated: 17 March 2026

Welsh: Dim angen llawer? Beth am gerdded adre'?

English: Light shop? Why not walk it back?

Status C

Subject: Health

Part of speech: Neutral

Context: In the context of Walk4life

Last updated: 12 November 2010

Welsh: dim atchwelyd

English: non-regression

Status B

Subject: Law

Part of speech: Verb

Definition: Yr egwyddor na fydd glastwreiddio ar y safonau amgylcheddol presennol sy'n berthnasol i'r DU a' UE, wrth i'r DU drafod perthynas fasnachu newydd â'r UE.

Notes: Mae'n bosibl iawn y byddai aralleiriad yn fwy addas yn y rhan fwyaf o gyd-destunau, yn hytrach na'r term technegol Cymraeg.

Last updated: 20 February 2020

Welsh: Dim beicio

English: No cycling

Status C

Subject: Tourism and leisure

Part of speech: Verb

Last updated: 17 June 2014

Welsh: Dim bwyta nac yfed yn yr ystafell hon

English: No food or drink to be consumed in this room

Status A

Subject: Food

Part of speech: Verb

Last updated: 27 March 2008

Welsh: dim cofnod o'r cyfrif diwedd blwyddyn

English: no stocktake

Status C

Subject: Agriculture

Definition: i.e. sheep stocktake

Last updated: 5 November 2003

Welsh: Dim cyfrinachau: amddiffyn oedolion hawdd eu niweidio: canllawiau ar ddatblygu polisïau a gweithdrefnau aml-asiantaeth a'u rhoi ar waith

English: No secrets: the protection of vulnerable adults: guidance on the development and implementation of multi-agency policies and procedures

Status A

Subject: Social services

Part of speech: Adjective

Definition: SSIW

Last updated: 19 May 2003

Welsh: Dim Digonolrwydd

English: No Adequacy

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Notes: Yng nghyd-destun llifoedd data rhwng y DU ac Ewrop ar ôl Brexit.

Last updated: 8 October 2020

Welsh: dim drws anghywir

English: no wrong door

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: Dull o weithredu’n gydlynus lle sicrheir bod ymholydd yn cael ateb llawn hyd yn oed os nad yw wedi cyfeirio’r ymholiad i’r gwasanaeth neu’r sefydliad cywir.

Context: Rydym yn defnyddio dull ‘dim drws anghywir’ fel bod teuluoedd yn cael y cymorth iawn ar yr adeg iawn ac mewn ffordd sy’n iawn iddyn nhw.

Notes: Defnyddir yng nghyd-destun y Cynllun Gweithredu Pwyslais ar Incwm, sy’n rhoi cefnogaeth i deuluoedd ar incwm isel.

Last updated: 1 March 2024

Welsh: dimensiwn

English: dimension

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: dimensiwn data

English: data dimension

Status B

Subject: Europe

Part of speech: Noun, Masculine, Singular

Plural: dimensiynau data

Definition: Strwythur sy'n categoreiddio ffeithiau yn ôl gwahanol nodweddion, fel bod modd dadansoddi'r data i ateb cwestiynau cymhleth amdanynt.

Last updated: 24 September 2020

Welsh: Dimensiwn Newydd

English: New Dimension

Status C

Subject: Fire and rescue

Part of speech: Noun, Masculine, Singular

Definition: In relation to fire and resilience.

Last updated: 29 January 2008

Welsh: Dimensiwn Rhyngwladol mewn Addysg

English: International Dimension in Education

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: IDE

Last updated: 28 September 2011

Welsh: Dimensiwn Rhyngwladol mewn Addysg

English: IDE

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: International Dimension in Education

Last updated: 28 September 2011

Welsh: dimensiynu

English: dimension

Status B

Subject: ICT

Part of speech: Verb

Last updated: 19 July 2005

Welsh: Dim Esgus

English: Call Out ONLY

Status A

Subject: Social services

Part of speech: Proper noun

Notes: Ymgyrch sy'n rhan o'r rhaglen Byw Heb Ofn, i fynd i'r afael ag ymddygiad annerbyniol yn erbyn merched a menywod. Yn neunyddiau'r ymgyrch, defnyddir DIM OND i gyfieithu ONLY, ond nid yw hyn yn rhan o'r teitl (er enghraifft yn y slogan ONLY is not an excuse, there is no excuse / DIM OND? Dim esgus).

Last updated: 20 January 2022

Welsh: Dim esgus. Byth.

English: No ifs. No butts.

Status A

Subject: Health

Part of speech: Proper noun

Notes: Slogan ymgyrch atal gwerthu tybaco anghyfreithlon.

Last updated: 27 January 2022

Welsh: dimeticon

English: dimeticone

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 6 November 2019

Welsh: Dim gemau pêl

English: No ball games

Status C

Subject: Tourism and leisure

Part of speech: Noun, Plural

Last updated: 17 June 2014

Welsh: dim llwyddiant - dim ffi

English: no win - no fee

Status C

Subject: Justice and order

Last updated: 15 March 2006

Welsh: Dim mwy o dorri esgyrn. Dim mwy o chwalu bywydau.

English: No more broken bones. No more broken lives.

Status B

Subject: Health

Part of speech: Proper noun

Notes: Cyfieithiad cwrteisi ar slogan gan y Gymdeithas Osteoporisis Genedlaethol.

Last updated: 12 December 2024

Welsh: Dim Mynediad

English: Do Not Enter

Status C

Subject: Fire and rescue

Part of speech: Verb

Definition: signage

Last updated: 15 March 2004

Welsh: Dim newyn

English: Zero hunger

Status B

Subject: Justice and order

Part of speech: Neutral

Notes: Un o Nodau Datblygu Cynaliadwy y Cenhedloedd Unedig

Last updated: 21 September 2017

Welsh: dim rhaid bod yn bresennol

English: not required to attend

Status C

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Un o'r pum categori presenoldeb mewn ysgolion.

Last updated: 25 November 2009

Welsh: Dim sglefrfyrddio

English: No skateboarding

Status C

Subject: Tourism and leisure

Part of speech: Verb

Last updated: 17 June 2014

Welsh: dim sicrwydd

English: no assurance

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Notes: Yng nghyd-destun cyfrifon ariannol.

Last updated: 15 December 2022

Welsh: Dim Smygu

English: No Smoking

Status A

Subject: Health

Part of speech: Verb

Last updated: 28 February 2005

Welsh: Dim Smygu Cymru

English: Stop Smoking Wales

Status A

Subject: Health

Part of speech: Neutral

Definition: Formerly known as the All Wales Smoking Cessation Service

Last updated: 29 August 2007

Welsh: Dim tlodi

English: No poverty

Status B

Subject: Justice and order

Part of speech: Neutral

Notes: Un o Nodau Datblygu Cynaliadwy y Cenhedloedd Unedig

Last updated: 21 September 2017

Welsh: dim trin

English: zero tillage

Status C

Subject: Agriculture

Part of speech: Adjective

Definition: A system where crops are planted into the soil without primary tillage.

Last updated: 1 November 2010

Welsh: dim trwy'r geg

English: nil by mouth

Status C

Subject: Health

Part of speech: Neutral

Last updated: 8 July 2010

Welsh: Dim Ymyrraeth Weithredol

English: No Active Intervention

Status A

Subject: Planning

Part of speech: Verb

Definition: Pan nad oes unrhyw gynllun i fuddsoddi mewn amddiffynfeydd na gweithrediadau arfordirol, pa un a oes amddiffynfa artiffisial wedi bodoli yn y gorffennol ai peidio.

Notes: Elfen o'r Cynlluniau Rheoli Traethlin, sy'n gyfrifoldeb i Cyfoeth Naturiol Cymru

Last updated: 6 June 2019

Welsh: Dinas a Sir Abertawe

English: City and County of Swansea

Status A

Subject: Local government

Part of speech: Noun, Feminine, Singular

Last updated: 3 November 2003

Welsh: Dinas a Sir Caerdydd

English: City and County of Cardiff

Status A

Subject: Local government

Part of speech: Noun, Feminine, Singular

Last updated: 3 November 2003

Welsh: Dinas Basing

English: Bansingwerk

Status C

Subject: Place-names

Part of speech: Proper noun

Definition: Abaty

Last updated: 26 August 2008

Welsh: Dinas Cyflog Byw

English: Living Wage City

Status C

Subject: Economic development

Part of speech: Noun, Feminine, Singular

Context: Heddiw, bydd yr Ysgrifennydd Cyllid Mark Drakeford yn cyfarfod â chyflogwyr y Cyflog Byw yng Nghastell Caerdydd i gefnogi ymgyrch y brifddinas i fod yn Ddinas Cyflog Byw gyntaf y DU.

Last updated: 15 November 2018

Welsh: Dinas Groeso

English: Host City

Status B

Subject: Tourism and leisure

Part of speech: Noun, Feminine, Singular

Notes: Teitl a ddefnyddir yn swyddogol gan UEFA yn y ddwy iaith yng nghyd-destun EURO2028.

Last updated: 13 February 2025

Welsh: Dinas ‌Ho Chi Minh

English: ‌Ho Chi Minh City

Status B

Subject: Place-names

Part of speech: Proper noun

Notes: Dinas yn Fietnam. Dyma'r enw swyddogol ar y ddinas a adwaenir yn gyffredin fel Saigon.

Last updated: 14 August 2024

Welsh: Dinas Llundain

English: City of London

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: Dinas Mecsico

English: Mexico City

Status B

Subject: Place-names

Part of speech: Proper noun

Last updated: 9 September 2003

Welsh: Dinasoedd a chymunedau cynaliadwy

English: Sustainable cities and communities

Status B

Subject: Justice and order

Part of speech: Neutral

Notes: Un o Nodau Datblygu Cynaliadwy y Cenhedloedd Unedig

Last updated: 21 September 2017

Welsh: Dinasoedd a Deialog Is-genedlaethol

English: Cities and a Subnational Dialogue

Status C

Subject: Housing

Part of speech: Proper noun, Masculine, Singular

Definition: Conference session.

Last updated: 15 May 2014

Welsh: Dinas Powys

English: Dinas Powys

Status A

Subject: Place-names

Part of speech: Proper noun

Notes: Ward etholiadol ym Mwrdeistref Sirol Bro Morgannwg. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Bro Morgannwg (Trefniadau Etholiadol) 2021.

Last updated: 17 August 2022

Welsh: dinas-ranbarth

English: city region

Status B

Subject: Economic development

Part of speech: Noun, Masculine, Singular

Last updated: 27 February 2012

Welsh: Dinas-ranbarthau

English: City Regions

Status C

Subject: Planning

Part of speech: Noun, Plural

Context: Datblygu rhanbarthol.

Last updated: 13 February 2012

Welsh: Dinas-Ranbarth Bae Abertawe

English: Swansea Bay City Region

Status A

Subject: Economic development

Part of speech: Noun, Feminine, Singular

Notes: Dyma'r teitl swyddogol

Last updated: 12 December 2019

Welsh: Dinas-y-bwlch

English: Sugar Loaf

Status C

Subject: Place-names

Definition: near Llandovery

Last updated: 24 April 2009

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