TermCymru

Results are displayed in English alphabetical order A-Z
English: borehole
Welsh: twll turio
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: tyllau turio
Definition: Twll dwfn a chul yn y ddaear, yn bennaf ar gyfer dod o hyd i ddŵr neu olew.
Last Updated: 14 April 2026
English: born digital
Welsh: digidol-anedig
Status B
Subject: ICT
Part of speech: Adjective
Definition: Disgrifiad o ddeunydd a gynhyrchwyd yn wreiddiol ar ffurf ddigidol.
Context: Bydd y sefydliad yn arwain a chydgysylltu ymdrechion i gasglu ac i gadw deunydd digidol-anedig.
Last Updated: 10 October 2024
English: born global
Welsh: byd-eang o'r cychwyn
Status C
Subject: Economic development
Part of speech: Adjective
Definition: Cwmnïau newydd sy’n cychwyn ar sail fyd-eang.
Last Updated: 27 October 2006
English: boron
Welsh: boron
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Symbol cemegol: B
Notes: Elfen gemegol. Gweler y canllawiau sillafu termau benthyg gwyddonol ar BydTermCymru.
Last Updated: 18 June 2025
English: borough constituency
Welsh: etholaeth fwrdeistrefol
Status A
Subject: Politics
Part of speech: Noun, Feminine, Singular
Plural: etholaethau bwrdeistref
Last Updated: 3 August 2023
English: Borras Park
Welsh: Parc Borras
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Wrecsam. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Wrecsam (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: borrow
Welsh: cael benthyg
Status A
Subject: Finance and statistics
Part of speech: Verb
Last Updated: 16 May 2007
English: borrowing approval
Welsh: cymeradwyaeth fenthyca
Status C
Subject: Finance and statistics
Part of speech: Noun, Feminine, Singular
Last Updated: 26 May 2010
English: borrowing cap
Welsh: cap ar fenthyca
Status A
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last Updated: 9 July 2014
English: Borrowing Powers and Innovative Approaches to Capital Funding
Welsh: Pwerau Benthyg a Dulliau Arloesol o Ddefnyddio Arian Cyfalaf
Status C
Subject: Finance and statistics
Part of speech: Proper noun
Definition: Adroddiad Pwyllgor Cyllid y Cynulliad Gorffennaf 2012.
Last Updated: 17 October 2012
English: borrow pit
Welsh: pwll benthyg
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Last Updated: 22 May 2003
English: Borth
Welsh: Y Borth
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Enw lle yng Ngheredigion.
Last Updated: 16 September 2015
English: Borth
Welsh: Y Borth
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
English: BOS
Welsh: Cymdeithas Orthoptig Prydain
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: British Orthoptic Society
Last Updated: 27 July 2012
English: Bosnia and Herzegovina
Welsh: Bosnia a Herzegovina
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last Updated: 17 August 2021
English: Bosnia-Herzegovina
Welsh: Bosnia-Herzegovina
Status B
Subject: Place-names
Part of speech: Proper noun
Definition: neu "Bosnia" mewn amgylchiadau llai ffurfiol
Last Updated: 9 September 2003
English: Bosnian-Herzegovinian
Welsh: Bosniaidd-Herzegofinaidd
Status C
Subject: Personnel
Part of speech: Adjective
Last Updated: 13 May 2008
English: BOSS
Welsh: BOSS
Status A
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am y Business Online Support Service / Gwasanaeth Cymorth Busnes Ar-lein
Last Updated: 25 July 2017
English: bot
Welsh: bot
Status C
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: Short for ‘robot’, a piece of software designed to accomplish a repetitive task automatically.
Last Updated: 25 January 2011
English: botanical
Welsh: botanegol
Status C
Subject: Law
Part of speech: Adjective
Last Updated: 17 May 2011
English: botany
Welsh: botaneg
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 26 October 2012
English: both Houses of Parliament
Welsh: dau Dŷ Senedd y DU
Status A
Subject: Politics
Part of speech: Noun, Masculine, Singular
Definition: The House of Lords and the House of Commons.
Last Updated: 12 September 2018
English: botnet
Welsh: botrwyd
Status C
Subject: ICT
Part of speech: Noun, Feminine, Singular
Definition: Zombie network.
Last Updated: 10 November 2008
English: Botswana
Welsh: Botswana
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last Updated: 17 August 2021
English: bottled drinking water
Welsh: dŵr yfed wedi'i botelu
Status B
Subject: Food
Part of speech: Noun, Masculine, Singular
Last Updated: 24 January 2012
English: bottled industrial gas
Welsh: nwy potel diwydiannol
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last Updated: 25 July 2005
English: Bottled Water
Welsh: Dŵr Potel
Status B
Subject: Welsh Government posts and departments
Part of speech: Noun, Masculine, Singular
Definition: Teitl taflen.
Last Updated: 10 January 2003
English: bottle jaw
Welsh: gên botel
Status B
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 12 March 2020
English: bottle-nosed dolphin
Welsh: dolffin trwyn potel
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: EU Habitats Directive Annex II Species
Context: Tursiops truncatus
Last Updated: 20 February 2014
English: bottom
Welsh: gwaelod
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: bottom fishing gears
Welsh: offer pysgota ar wely'r môr
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Context: Rheoliad y Cyngor (EC) Rhif 734/2008 ar warchod systemau morol sy'n agored i niwed yn y cefnforoedd rhag effeithiau andwyol offer pysgota ar wely'r môr.
Last Updated: 28 March 2019
English: bottom line profit
Welsh: elw net
Status C
Subject: Finance and statistics
Last Updated: 28 July 2010
English: bottom margin
Welsh: ymyl waelod
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last Updated: 19 July 2005
English: bottom of baseline
Welsh: godre'r gwaelodlin
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: bottom of character
Welsh: gwaelod y nod
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: bottom of line
Welsh: gwaelod y llinell
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: bottom otter trawl
Welsh: treillrwyd estyllod môr-waelod
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Type of fishing net.
Last Updated: 11 March 2013
English: bottom pair trawl
Welsh: treillrwyd môr-waelod yn bâr
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Definition: Type of fishing net.
Last Updated: 11 March 2013
English: bottom roughness
Welsh: garwedd y gwely
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Yng nghyd-destun astudiaethau hydroforffolegol.
Last Updated: 23 March 2021
English: bottom-trawling
Welsh: treillrwydo môr-waelodol
Status C
Subject: Environment
Part of speech: Verb
Last Updated: 19 December 2006
English: bottom-up
Welsh: o'r gwaelod i fyny
Status C
Subject: Politics
Definition: eg bottom-up approach
Last Updated: 6 April 2004
English: bottom waters
Welsh: dyfroedd gwely'r môr
Status A
Subject: Environment
Part of speech: Noun, Plural
Last Updated: 6 June 2019
English: botulinum toxin
Welsh: tocsin botwlinwm
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: tocsinau botwlinwm
Definition: Tocsin hynod o wenwynig a gynhyrchir gan y bacteriwm Clostridium botulinum. Fe'i defnyddir mewn rhai meddyginiaethau, ac mewn rhai triniaethau harddwch (lle y mae'n adnabyddus o dan yr enw masnach Botox).
Last Updated: 5 August 2020
English: botulism
Welsh: botwliaeth
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Last Updated: 10 March 2009
English: bought as clean
Welsh: wedi'i brynu'n lân
Status C
Subject: Agriculture
Part of speech: Adjective
Definition: When referring to quota.
Last Updated: 22 February 2006
English: boulder and cobble skear
Welsh: craith rewlifol a lenwyd â chlogfeini a choblau
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: creithiau rhewlifol a lenwyd â chlogfeini a choblau
Definition: Cynefin morol lle ceir rhych a adewir mewn is-haen galed o graig gan weithrediad rhewlif, sy’n llawn cerrig mawr. Yn aml, maent yn hafan i gregyn gleision a rhywogaethau morol eraill.
Last Updated: 9 June 2022
English: boulder field
Welsh: cae o glogfeini
Status C
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Last Updated: 26 August 2008
English: bouldering
Welsh: bowldro
Status C
Subject: Tourism and leisure
Part of speech: Verb
Context: Dyma mae Cymdeithas Fynydda Cymru yn ei ddefnyddio.
Last Updated: 23 September 2009
English: bounce back loan
Welsh: benthyciad adfer
Status B
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Plural: benthyciadau adfer
Notes: Benthyciadau i fusnesau bach gan Lywodraeth y DU, yng nghyd-destun COVID-19.
Last Updated: 30 April 2020
English: boundaries impermeable to badger movements
Welsh: ffiniau sy'n anodd i foch daear eu croesi
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last Updated: 23 September 2009