TermCymru

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Welsh: tomograffeg gyfrifiadurol

English: CT

Status A

Subject: Health

Part of speech: Noun, Feminine, Singular

Definition: Computed tomography.

Context: Also known as "computerised tomography".

Last updated: 17 December 2013

Welsh: tomograffeg gyfrifiadurol o'r galon

English: cardiac computed tomography

Status A

Subject: Health

Part of speech: Noun, Feminine, Singular

Last updated: 27 September 2012

Welsh: tomograffeg gyfrifiadurol o'r galon

English: cardiac CT

Status A

Subject: Health

Part of speech: Noun, Feminine, Singular

Last updated: 27 September 2012

Welsh: tomwellt

English: mulch

Status B

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last updated: 29 June 2012

Welsh: ton ariannu

English: funding wave

Status B

Subject: Finance and Statistics

Part of speech: Noun, Feminine, Singular

Plural: tonnau ariannu

Last updated: 11 June 2020

Welsh: ton daflu

English: dumper

Status C

Subject: Environment

Part of speech: Noun, Feminine, Singular

Definition: A wave that crashes suddenly downwards with great force, causing surfers to fall.

Last updated: 11 June 2007

Welsh: ton ddwbl

English: double wave

Status B

Subject: ITC

Part of speech: Noun, Feminine, Singular

Last updated: 19 July 2005

Welsh: tonfedd

English: wavelength

Status C

Subject: ITC

Part of speech: Noun, Feminine, Singular

Context: In electronics.

Last updated: 26 May 2010

Welsh: tonffurf

English: waveform

Status B

Subject: Economic Development

Part of speech: Noun, Feminine, Singular

Plural: tonffurfiau

Definition: Newidyn sy'n amrywio dros amser. Fel arfer bydd yn disgrifio foltedd neu lif trydanol.

Last updated: 14 February 2019

Welsh: tonfyrddio

English: wakeboarding

Status B

Subject: Tourism and Recreation

Part of speech: Verb

Last updated: 29 March 2006

Welsh: Tonga

English: Tonga

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

Welsh: Tongwynlais

English: Tongwynlais

Status A

Subject: Place Names

Part of speech: Proper noun

Definition: Caerdydd

Last updated: 14 August 2003

Welsh: tonnau dympio

English: dumping waves

Status C

Subject: Environment

Part of speech: Noun, Plural

Last updated: 2 February 2006

Welsh: tonnau gorlifo

English: spill waves

Status C

Subject: Environment

Part of speech: Noun, Plural

Last updated: 2 February 2006

Welsh: tonometreg

English: tonometry

Status A

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: Prawf diagnostig i fesur y pwysedd y tu fewn i'r llygad.

Last updated: 25 November 2022

Welsh: tonometreg cyffwrdd

English: contact tonometry

Status A

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: Tonometreg sy'n mesur pwysedd y llygad gan ddefnyddio offer sy'n dod i gysylltiad â phelen y llygad.

Last updated: 25 November 2022

Welsh: tonometreg digyffwrdd

English: NCT

Status B

Subject: Health

Part of speech: Noun, Feminine, Singular

Notes: Dyma'r acronym Saesneg a ddefnyddir am non-contact tonometry. Gweler y term llawn am ddiffiniad.

Last updated: 4 June 2020

Welsh: tonometreg digyffwrdd

English: non-contact tonometry

Status B

Subject: Health

Part of speech: Noun, Feminine, Singular

Definition: Prawf i fesur pwysedd y llygad gan ddefnyddio dull nad yw'n cyffwrdd arwyneb y llygad (y prawf 'pwff o aer').

Last updated: 4 June 2020

Welsh: tonometreg digyffwrdd

English: non-contact tonometry

Status A

Subject: Health

Part of speech: Noun, Masculine, Singular

Definition: Tonometreg sy'n mesur pwysedd y llygad gan ddefnyddio dulliau heb fod mewn cysylltiad â phelen y llygad, ee chwythiad bychan o aer.

Last updated: 25 November 2022

Welsh: tonsil

English: tonsil

Status C

Subject: Health

Part of speech: Noun, Masculine, Singular

Last updated: 3 March 2006

Welsh: tonsiliau

English: tonsils

Status C

Subject: Health

Part of speech: Noun, Plural

Last updated: 3 March 2006

Welsh: Ton-teg

English: Ton-teg

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: ton wres

English: heatwave

Status B

Subject: Environment

Part of speech: Noun, Feminine, Singular

Plural: tonnau gwres

Definition: Cyfnod estynedig o dywydd sy'n boeth o'i gymharu â'r amodau disgwyliedig yn yr ardal ar yr adeg honno o'r flwyddyn.

Notes: Mewn cyd-destunau llai technegol, argymhellir defnyddio 'tywydd crasboeth' neu aralleiriad arall.

Last updated: 21 July 2022

Welsh: ton ymchwydd

English: surge wave

Status A

Subject: Environment

Part of speech: Noun, Feminine, Singular

Last updated: 2 February 2006

Welsh: Tonypandy

English: Tonypandy

Status A

Subject: Place Names

Part of speech: Proper noun

Last updated: 2 December 2004

Welsh: Tonypandy

English: Tonypandy

Status A

Subject: Place Names

Part of speech: Proper noun

Last updated: 17 August 2022

Welsh: Tonysguboriau

English: Talbot Green

Status A

Subject: Place Names

Part of speech: Proper noun

Definition: Yn Sir Rhondda Cynon Taf

Last updated: 4 June 2004

Welsh: topograffi

English: topography

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 5 September 2003

Welsh: tor

English: breach

Status A

Subject: Legal

Part of speech: Noun, Masculine, Singular

Definition: Elfen mewn termau cyfansawdd sy'n disgrifio gweithred sy'n mynd yn groes i gyfraith, rheol, cod ac ati.

Notes: Bydd yr elfen hon bob amser yn ymddangos mewn ffurfiau cyfansawdd enwol fel 'tor amod', 'tor rheol' ac ati. Dylid defnyddio ffurfiau sy'n cynnwys yr elfen 'tor' pan fo angen enw yn hytrach na berfenw wrth drosi'r gair Saesneg 'breach'. Gall hyn olygu addasu termau sy'n cynnwys yr elfen 'torri' yn y gronfa hon. Sylwer ei fod yn ymddangos fel gair ar wahân, heb gysylltnod, wrth ffurfio termau cyfansawdd. Sylwer hefyd mai enw gwrywaidd yw 'tor' ac oherwydd hynny mai gwrywaidd fydd termau cyfansawdd lle bydd 'tor' yn ben yr ymadrodd, hyd yn oed os yw'r enw a ddilyna yn fenywaidd, ee "y tor rheol hwn".

Last updated: 3 May 2024

Welsh: toradwyedd

English: severability

Status C

Subject: Personnel

Part of speech: Noun, Masculine, Singular

Definition: Natur doradwy rhywbeth.

Last updated: 12 June 2006

Welsh: torasgwrn

English: fracture

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: toresgyrn

Last updated: 16 February 2023

Welsh: torasgwrn breuder

English: fragility fracture

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: toresgyrn breuder

Definition: A fragility fracture is one that results from mechanical forces that would not ordinarily cause fracture in a healthy young adult.

Last updated: 15 February 2023

Welsh: torasgwrn eilaidd

English: secondary fracture

Status B

Subject: Health

Part of speech: Noun, Masculine, Singular

Plural: toresgyrn eilaidd

Definition: Toriad mewn asgwrn yn dilyn toriad cyffelyb mewn cyfnod blaenorol, sy’n digwydd oherwydd gwendid yn sgil y toriad cyntaf.

Notes: Mewn rhai cyd-destunau llai technegol, mae’n bosibl y gallai ‘torasgwrn dilynol’ fod yn fwy dealladwy i’r gynulleidfa.

Last updated: 16 February 2023

Welsh: torbren

English: offcut

Status C

Subject: Legal

Part of speech: Noun, Masculine, Singular

Plural: torbrennau

Definition: Piece of waste wood left behind after cutting a larger piece.

Last updated: 22 April 2025

Welsh: torbwt

English: turbot

Status A

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: Psetta maxima

Last updated: 29 July 2004

Welsh: torbwt

English: turbot

Status A

Subject: Animals

Part of speech: Noun, Masculine, Singular

Plural: torbytiaid

Definition: Scophthalmus maximus

Last updated: 28 February 2019

Welsh: torbwynt

English: breakpoint

Status B

Subject: ITC

Part of speech: Noun, Masculine, Singular

Last updated: 19 July 2005

Welsh: torbwynt

English: cut-off point

Status B

Subject: Finance and Statistics

Part of speech: Noun, Masculine, Singular

Last updated: 25 May 2012

Welsh: torbytiaid

English: turbot

Status C

Subject: Agriculture

Part of speech: Noun, Plural

Last updated: 29 July 2004

Welsh: torch

English: wreath

Status A

Subject: Justice and Order

Part of speech: Noun, Feminine, Singular

Plural: torchau

Definition: An arrangement of flowers, leaves, or stems fastened in a ring and used for decoration or for laying on a grave.

Notes: Mewn cyd-destunau seremonïol

Last updated: 4 June 2018

Welsh: tor contract

English: breach of contract

Status A

Subject: Legal

Part of speech: Noun, Masculine, Singular

Plural: tor contractau

Notes: Gweler y ddau gofnod annibynnol am breach=tor, a breach=torri.

Last updated: 6 March 2024

Welsh: tor contract ymwrthodol

English: repudiatory breach

Status A

Subject: Legal

Part of speech: Noun, Masculine, Singular

Last updated: 20 November 2014

Welsh: torcyfraith perthnasol

English: material breach

Status B

Subject: Legal

Part of speech: Noun, Masculine, Singular

Plural: torcyfreithiau perthnasol

Context: Each of the following circumstances is a termination ground—(a)the contracting authority considers that the contract was awarded or modified in material breach of this Act or regulations made under it; (b)a supplier has, since the award of the contract, become an excluded supplier or excludable supplier (including by reference to an associated person); (c)a supplier (other than an associated person) to which the supplier is sub-contracting the performance of all or part of the public contract is an excluded or excludable supplier.

Notes: Daw’r frawddeg gyd-destunol Saesneg o Ddeddf Caffael 2023 (deddfwriaeth Llywodraeth y DU, sydd ar gael yn Saesneg yn unig). Mewn cyd-destunau eraill gall 'sylweddol' fod yn drosiad mwy addas o 'material'.

Last updated: 31 July 2024

Welsh: tor diogelwch data

English: data breach

Status B

Subject: ITC

Part of speech: Noun, Masculine, Singular

Notes: Mae’r term hwn yn gyfystyr â personal data breach / tor diogelwch data personol

Last updated: 6 July 2021

Welsh: tor diogelwch data personol

English: personal data breach

Status B

Subject: Legal

Part of speech: Noun, Masculine, Singular

Definition: A personal data breach means a breach of security leading to the accidental or unlawful destruction, loss, alteration, unauthorised disclosure of, or access to, personal data. This includes breaches that are the result of both accidental and deliberate causes. It also means that a breach is more than just about losing personal data.

Notes: Mewn perthynas â'r Rheoliad Cyffredinol ar Ddiogelu Data. Gweler y ddau gofnod annibynnol am breach=tor, a breach=torri.

Last updated: 6 March 2024

Welsh: toredig mân iawn

English: ultrafine dashed

Status B

Subject: ITC

Part of speech: Adjective

Last updated: 19 July 2005

Welsh: toreidiau

English: litters

Status C

Subject: Agriculture

Part of speech: Noun, Plural

Last updated: 13 February 2007

Welsh: Toreithiog

English: Abundant

Status B

Subject: Environment

Part of speech: Adjective

Notes: Categori sgôr DAFOR (Dominant, Abundant, Frequent, Occasional, Rare), ar gyfer dangos niferoedd rhywogaethau o blanhigion mewn cynefin penodol.

Last updated: 5 July 2017

Welsh: toreithrwydd rhywogaethau brodorol

English: the abundance of native species

Status A

Subject: Environment

Part of speech: Noun, Masculine, Singular

Last updated: 22 April 2025

Welsh: Torfaen

English: Torfaen

Status A

Subject: Local Government

Part of speech: Proper noun

Last updated: 25 June 2002