Search for a term, word or phrase | Page 2998

English: man-in-the-middle attack

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Plural: ymosodiadau person-yn-y-canol

Definition: Math o ymosodiad seiber lle mae ymosodwr yn ymyrryd â chyfathrebiad rhwng dau barti gan wneud i’r ddau gredu eu bod yn cyfathrebu’n uniongyrchol â’i gilydd, tra bod ymosodwr yn gallu darllen, addasu neu gipio'r negeseuon rhyngddynt.

Notes: Cymharer â'r term interception attack / ymosodiad rhyng-gipio.

Last updated: 13 November 2025

Welsh: ymosodiad person-yn-y-canol

English: man-in-the-middle attack

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Plural: ymosodiadau person-yn-y-canol

Definition: Math o ymosodiad seiber lle mae ymosodwr yn ymyrryd â chyfathrebiad rhwng dau barti gan wneud i’r ddau gredu eu bod yn cyfathrebu’n uniongyrchol â’i gilydd, tra bod ymosodwr yn gallu darllen, addasu neu gipio'r negeseuon rhyngddynt.

Notes: Cymharer â'r term interception attack / ymosodiad rhyng-gipio.

Last updated: 13 November 2025

Welsh: ymosodiad rhyng-gipio

English: interception attack

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Plural: ymosodiadau rhyng-gipio

Definition: Math o ymosodiad seiber lle mae ymosodwr yn gallu darllen a chipio cyfathrebiadau rhwng dau barti.

Notes: Cymharer â'r term man-in-the-middle attack / ymosodiad person-yn-y-canol.

Last updated: 13 November 2025

Welsh: ymosodiad rhyng-gipio

English: interception attack

Status B

Subject: ICT

Part of speech: Noun, Masculine, Singular

Plural: ymosodiadau rhyng-gipio

Definition: Math o ymosodiad seiber lle mae ymosodwr yn gallu darllen a chipio cyfathrebiadau rhwng dau barti.

Notes: Cymharer â'r term man-in-the-middle attack / ymosodiad person-yn-y-canol.

Last updated: 13 November 2025

Welsh: ymosodiad sbam

English: spam attack

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 31 December 2008

Welsh: ymosodiad sbam

English: spam attack

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Last updated: 31 December 2008

Welsh: ymosodiad seiber

English: cyber attack

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Plural: ymosodiadau seiber

Context: Rydym ar ddeall y ceir tua 60,000 o ymosodiadau seiber bob wythnos yn y DU. Ceir bygythiadau gan seiberdroseddwyr, hacwyr ymgyrchu a hacwyr maleisus dibrofiad, yn ogystal â bygythiadau gan wladwriaethau a bygythiadau a noddir gan wladwriaethau.

Last updated: 11 October 2016

Welsh: ymosodiad seiber

English: cyber attack

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Plural: ymosodiadau seiber

Context: Rydym ar ddeall y ceir tua 60,000 o ymosodiadau seiber bob wythnos yn y DU. Ceir bygythiadau gan seiberdroseddwyr, hacwyr ymgyrchu a hacwyr maleisus dibrofiad, yn ogystal â bygythiadau gan wladwriaethau a bygythiadau a noddir gan wladwriaethau.

Last updated: 11 October 2016

Welsh: ymosodol

English: aggressive

Status B

Subject: Justice and order

Part of speech: Adjective

Context: of behaviour

Last updated: 2 August 2012

Welsh: ymosodol

English: aggressive

Status B

Subject: Justice and order

Part of speech: Adjective

Context: of behaviour

Last updated: 2 August 2012

Welsh: Ymrannu o Amgylch Medoidau

English: Partitioning around Medoids

Status B

Subject: Finance and statistics

Part of speech: Proper noun

Notes: Angen rhoi'r Saesneg mewn testun italig rhwng cromfachau gan ei fod yn deitl technegol

Last updated: 10 March 2022

Welsh: Ymrannu o Amgylch Medoidau

English: Partitioning around Medoids

Status B

Subject: Finance and statistics

Part of speech: Proper noun

Notes: Angen rhoi'r Saesneg mewn testun italig rhwng cromfachau gan ei fod yn deitl technegol

Last updated: 10 March 2022

Welsh: Y Môr Celtaidd

English: Celtic Sea

Status B

Subject: Place-names

Part of speech: Noun, Masculine, Singular

Definition: Rhan o Gefnfor Iwerydd sydd i'r de o Iwerddon. Mae rhannau o arfordir Sir Benfro, ynghyd â Môr Hafren a rhannau o arfordir de-orllewin Lloegr, yn ffurfio ffin ddwyreiniol y môr hwn. Mae'n estyn i lawr i arfordir gorllewinol Llydaw.

Last updated: 12 January 2022

Welsh: Y Môr Celtaidd

English: Celtic Sea

Status B

Subject: Place-names

Part of speech: Noun, Masculine, Singular

Definition: Rhan o Gefnfor Iwerydd sydd i'r de o Iwerddon. Mae rhannau o arfordir Sir Benfro, ynghyd â Môr Hafren a rhannau o arfordir de-orllewin Lloegr, yn ffurfio ffin ddwyreiniol y môr hwn. Mae'n estyn i lawr i arfordir gorllewinol Llydaw.

Last updated: 12 January 2022

Welsh: ymreolaeth

English: autonomy

Status B

Subject: Education

Part of speech: Noun, Feminine, Singular

Definition: Rhaglen Arweinyddiaeth I Benaethiaid mewn Swydd

Last updated: 22 May 2003

Welsh: ymreolaeth

English: autonomy

Status B

Subject: Education

Part of speech: Noun, Feminine, Singular

Definition: Rhaglen Arweinyddiaeth I Benaethiaid mewn Swydd

Last updated: 22 May 2003

Welsh: ymreolaeth

English: autonomy

Status B

Subject: General

Part of speech: Noun, Feminine, Singular

Definition: Annibyniaeth bersonol.

Last updated: 18 May 2023

Welsh: ymreolaeth

English: autonomy

Status B

Subject: General

Part of speech: Noun, Feminine, Singular

Definition: Annibyniaeth bersonol.

Last updated: 18 May 2023

Welsh: ymreolaeth gyllidol

English: fiscal autonomy

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last updated: 5 February 2014

Welsh: ymreolaeth gyllidol

English: fiscal autonomy

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last updated: 5 February 2014

Welsh: ymrestru

English: enrol (oneself)

Status C

Subject: Education

Part of speech: Verb

Definition: To enrol oneself eg for a course.

Last updated: 9 February 2009

Welsh: ymrestru

English: enrol (oneself)

Status C

Subject: Education

Part of speech: Verb

Definition: To enrol oneself eg for a course.

Last updated: 9 February 2009

Welsh: ymroddiad

English: dedication

Status B

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Rhaglen Arweinyddiaeth I Benaethiaid mewn Swydd

Context: To a cause or belief.

Last updated: 22 May 2003

Welsh: ymroddiad

English: dedication

Status B

Subject: Education

Part of speech: Noun, Masculine, Singular

Definition: Rhaglen Arweinyddiaeth I Benaethiaid mewn Swydd

Context: To a cause or belief.

Last updated: 22 May 2003

Welsh: Ymroi

English: Striving

Status C

Subject: Personnel

Part of speech: Verb

Definition: One of the four performance management competencies 2011-2012.

Context: Un o bedair thema cymwyseddau Rheoli Perfformiad 2011-12. Dyma'r lleill: Meddwl, Ymwneud a Gwneud.

Last updated: 7 June 2011

Welsh: Ymroi

English: Striving

Status C

Subject: Personnel

Part of speech: Verb

Definition: One of the four performance management competencies 2011-2012.

Context: Un o bedair thema cymwyseddau Rheoli Perfformiad 2011-12. Dyma'r lleill: Meddwl, Ymwneud a Gwneud.

Last updated: 7 June 2011

Welsh: ymroi i

English: participate actively

Status C

Subject: Education

Part of speech: Verb

Last updated: 29 September 2005

Welsh: ymroi i

English: participate actively

Status C

Subject: Education

Part of speech: Verb

Last updated: 29 September 2005

Welsh: Ymrwymedig i Atebion i Hybu Teithio Cynaliadwy

English: Committed to Sustainable Travel Solutions

Status C

Subject: Transport

Last updated: 11 July 2008

Welsh: Ymrwymedig i Atebion i Hybu Teithio Cynaliadwy

English: Committed to Sustainable Travel Solutions

Status C

Subject: Transport

Last updated: 11 July 2008

Welsh: ymrwymiad amser

English: time commitment

Status C

Subject: General

Part of speech: Noun, Masculine, Singular

Last updated: 8 December 2004

Welsh: ymrwymiad amser

English: time commitment

Status C

Subject: General

Part of speech: Noun, Masculine, Singular

Last updated: 8 December 2004

Welsh: ymrwymiad ar blastigion

English: plastics pact

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Context: Cadarnhaodd y Gweinidog hefyd fod Llywodraeth Cymru wedi llofnodi 'Ymrwymiad ar Blastigion' WRAP (Rhaglen Gweithredu'r Cynllun Gwastraff ac Adnoddau), sef ymrwymiad gan fusnesau i leihau maint y gwastraff plastig sy'n cael ei gynhyrchu yn y DU.

Last updated: 20 June 2018

Welsh: ymrwymiad ar blastigion

English: plastics pact

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Context: Cadarnhaodd y Gweinidog hefyd fod Llywodraeth Cymru wedi llofnodi 'Ymrwymiad ar Blastigion' WRAP (Rhaglen Gweithredu'r Cynllun Gwastraff ac Adnoddau), sef ymrwymiad gan fusnesau i leihau maint y gwastraff plastig sy'n cael ei gynhyrchu yn y DU.

Last updated: 20 June 2018

Welsh: ymrwymiad ar y cyd

English: mutual undertaking

Status B

Subject: Planning

Part of speech: Masculine, Singular

Definition: Cytundeb rhwng awdurdodau caffael a pherchnogion tir, y tu allan i’r broses brynu orfodol, i sicrhau bod cynlluniau datblygu yn cael eu gweithredu ac i sicrhau bod tir yn cael ei ailddefnyddio'n briodol.

Last updated: 18 November 2021

Welsh: ymrwymiad ar y cyd

English: mutual undertaking

Status B

Subject: Planning

Part of speech: Masculine, Singular

Definition: Cytundeb rhwng awdurdodau caffael a pherchnogion tir, y tu allan i’r broses brynu orfodol, i sicrhau bod cynlluniau datblygu yn cael eu gweithredu ac i sicrhau bod tir yn cael ei ailddefnyddio'n briodol.

Last updated: 18 November 2021

Welsh: ymrwymiadau lleihau allyriadau

English: emission reduction commitments

Status B

Subject: Environment

Part of speech: Noun, Plural

Context: Cytunwyd ar welliant 2012 ymysg y Partïon gyda'r bwriad o ddiogelu iechyd pobl a'r amgylchedd yn well fyth trwy bennu ymrwymiadau lleihau allyriadau ar gyfer pum llygrydd aer i'w cyflawni erbyn 2020 a diweddaru gwerthoedd terfyn allyriadau llygryddion aer yn y tarddiad.

Last updated: 16 September 2024

Welsh: ymrwymiadau lleihau allyriadau

English: emission reduction commitments

Status B

Subject: Environment

Part of speech: Noun, Plural

Context: Cytunwyd ar welliant 2012 ymysg y Partïon gyda'r bwriad o ddiogelu iechyd pobl a'r amgylchedd yn well fyth trwy bennu ymrwymiadau lleihau allyriadau ar gyfer pum llygrydd aer i'w cyflawni erbyn 2020 a diweddaru gwerthoedd terfyn allyriadau llygryddion aer yn y tarddiad.

Last updated: 16 September 2024

Welsh: Ymrwymiad Cenedlaethol i Wasanaeth o Safon

English: National Quality of Service Commitment

Status B

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Last updated: 30 August 2012

Welsh: Ymrwymiad Cenedlaethol i Wasanaeth o Safon

English: National Quality of Service Commitment

Status B

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Last updated: 30 August 2012

Welsh: ymrwymiad contractiol rhwymol

English: binding contractual commitment

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Plural: ymrwymiadau contractiol rhwymol

Context: I roi effaith i'r ymrwymiad hwn, amgaeaf lythyr safonol a fyddai'n darparu ymrwymiad contractiol rhwymol rhwng y cyflogwr a'r clinigydd.

Last updated: 17 January 2020

Welsh: ymrwymiad contractiol rhwymol

English: binding contractual commitment

Status C

Subject: Law

Part of speech: Noun, Masculine, Singular

Plural: ymrwymiadau contractiol rhwymol

Context: I roi effaith i'r ymrwymiad hwn, amgaeaf lythyr safonol a fyddai'n darparu ymrwymiad contractiol rhwymol rhwng y cyflogwr a'r clinigydd.

Last updated: 17 January 2020

Welsh: ymrwymiad cymunedau

English: community buy-in

Status C

Subject: Community development

Part of speech: Noun, Masculine, Singular

Last updated: 20 March 2013

Welsh: ymrwymiad cymunedau

English: community buy-in

Status C

Subject: Community development

Part of speech: Noun, Masculine, Singular

Last updated: 20 March 2013

Welsh: Ymrwymiad Effeithlonrwydd Ynni

English: Energy Efficiency Commitment

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: EEC. A programme encouraging domestic gas and electricity customers to improve energy efficiency.

Last updated: 1 July 2005

Welsh: Ymrwymiad Effeithlonrwydd Ynni

English: Energy Efficiency Commitment

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: EEC. A programme encouraging domestic gas and electricity customers to improve energy efficiency.

Last updated: 1 July 2005

Welsh: ymrwymiad etifeddol

English: legacy commitment

Status A

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Last updated: 6 April 2011

Welsh: ymrwymiad etifeddol

English: legacy commitment

Status A

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Last updated: 6 April 2011

Welsh: Ymrwymiad Gwasanaeth Cyffredinol

English: Universal Service Commitment

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Definition: USC

Last updated: 18 May 2012

Welsh: Ymrwymiad Gwasanaeth Cyffredinol

English: USC

Status C

Subject: ICT

Part of speech: Noun, Masculine, Singular

Definition: Universal Service Commitment

Last updated: 18 May 2012

TermCymru

Share this page