TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: rhesws-negatif
English: rhesus negative
Status C
Subject: Health
Part of speech: Adjective
Last updated: 13 March 2008
Welsh: Rhes y Castell
English: Castle Terrace
Status C
Subject: Place-names
Part of speech: Proper noun
Context: Dolwyddelan
Last updated: 8 July 2010
Welsh: rhesymeg
English: reasoning
Status A
Subject: Education
Part of speech: Noun, Feminine, Singular
Notes: Term o faes y cwricwlwm addysg newydd yng Nghymru.
Last updated: 8 November 2018
Welsh: rhesymeg Boole
English: Boolean logic
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last updated: 19 July 2005
Welsh: rhesymeg niwlog
English: fuzzy logic
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Last updated: 19 July 2005
Welsh: rhesymol ddealladwy
English: reasonably comprehensible
Status A
Subject: Law
Part of speech: Adjective
Last updated: 24 September 2012
Welsh: Rhesymoli Cynlluniau
English: Plan Rationalisation
Status C
Subject: Local government
Part of speech: Verb
Definition: Local Government Plan Rationalisation
Last updated: 22 January 2007
Welsh: rhesymoli cynlluniau llywodraeth leol
English: local government plan rationalisation
Status C
Subject: Local government
Part of speech: Verb
Last updated: 15 March 2006
Welsh: rhesymol ymarferol
English: reasonably practicable
Status B
Subject: Social services
Part of speech: Adjective
Last updated: 2 August 2010
Welsh: rhesymu
English: inference
Status B
Subject: ICT
Part of speech: Verb
Definition: Y broses lle mae model deallusrwydd artiffisial sydd wedi’i hyfforddi yn defnyddio’r hyn y mae wedi’i ddysgu i gynhyrchu ymateb, rhagfynegiad neu ganlyniad o fewnbwn data newydd.
Last updated: 15 July 2026
Welsh: rhesymu rhifyddol
English: numerical reasoning
Status A
Subject: Education
Part of speech: Verb
Last updated: 8 February 2013
Welsh: Rhes y Tywysog Llewelyn
English: Prince Llewelyn Terrace
Status C
Subject: Place-names
Part of speech: Proper noun
Context: Dolwyddelan
Last updated: 8 July 2010
Welsh: rhewfrand
English: freezebrand
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: Freeze branding is a technique in which a supercold branding iron, properly applied to the animal's hide, kills the colour pigment producing cells.
Last updated: 25 April 2006
Welsh: rhewfrandio
English: freeze branding
Status C
Subject: Law
Part of speech: Verb
Last updated: 5 March 2007
Welsh: rhewfrandio
English: freezebrand
Status C
Subject: Agriculture
Part of speech: Verb
Last updated: 31 May 2006
Welsh: rhewgadw
English: cryopreservation
Status B
Subject: Health
Part of speech: Verb
Definition: Preserve (cells or tissues) by cooling them below the freezing point of water.
Context: Mae'r polisi'n cynnwys rhewgadw (tynnu a storio) gametau a/neu embryonau cyn dechrau triniaeth feddygol neu lawfeddygol a fydd yn effeithio ar ffrwythlondeb.
Last updated: 2 March 2017
Welsh: rhewgell
English: freezer
Status B
Subject: Food
Part of speech: Noun, Feminine, Singular
Last updated: 1 February 2012
Welsh: rhewi
English: freeze
Status B
Subject: ICT
Part of speech: Verb
Last updated: 19 July 2005
Welsh: rhewlifeg a systemau cryosfferig
English: glaciology and cryospheric systems
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Last updated: 4 April 2019
Welsh: rhewmatoleg
English: rheumatology
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Last updated: 16 April 2003
Welsh: Rhewmatolegydd Ymgynghorol
English: Consultant Rheumatologist
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 2 March 2007
Welsh: rhewnod
English: freezemark
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 5 December 2006
Welsh: rhewnodi
English: freezemarking
Status C
Subject: Agriculture
Part of speech: Verb
Last updated: 5 December 2006
Welsh: rhewogydd
English: frosts
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 30 October 2009
Welsh: rhew sbin
English: spin-ice
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Cyfrwng fferomagnetig sy'n cael ei fagneteiddio mewn ffordd arbennig ar dymheredd isel, ac sy'n ymffurfio'n strwythur tebyg i'r hyn a geir mewn rhew. Mae'r elfen 'sbin' yn gyfeirio at fomentwm onglaidd y gronynnau, a elwir yn 'sbin' ym maes ffiseg. Nid 'rhew' yn yr ystyr draddodiadol yw'r cyfrwng dan sylw, ac nid yw'n troelli.
Last updated: 9 September 2021
Welsh: rhianta
English: parenting
Status C
Subject: Health
Part of speech: Verb
Last updated: 29 October 2010
Welsh: rhianta ag awdurdod
English: authoritative parenting
Status A
Subject: Social services
Part of speech: Verb
Definition: This positive parenting approach, commonly referred to as authoritative, encourages parents to build positive relationships with their child by being responsive, warm and nurturing. The authoritative approach encourages parents to focus on good behaviour, have high expectations and establish boundaries.
Last updated: 13 December 2017
Welsh: rhianta a gofal plant
English: parenting and childcare
Status C
Subject: Social services
Part of speech: Verb
Last updated: 29 October 2010
Welsh: rhianta ar y cyd
English: shared parenting
Status C
Subject: Social services
Part of speech: Verb
Last updated: 26 November 2012
Welsh: rhianta cadarnhaol
English: positive parenting
Status A
Subject: Social services
Part of speech: Verb
Definition: The principles of positive parenting are that parents are warm and supportive; model good behaviour; provide appropriate supervision; provide clear, consistent and age-appropriate boundaries based on realistic expectations; praise good behaviour; and handle problem behaviours consistently without resorting to physical punishment and excessive shouting.
Last updated: 13 December 2017
Welsh: rhianta corfforaethol
English: corporate parenting
Status C
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 18 May 2004
Welsh: Rhianta Corfforaethol Cymru
English: Corporate Parenting Wales
Status A
Subject: Social services
Part of speech: Proper noun
Last updated: 19 October 2023
Welsh: rhianta llac
English: permissive parenting
Status A
Subject: Social services
Part of speech: Verb
Definition: Permissive parenting is devoid of any control or consequences for poor behaviour.
Last updated: 13 December 2017
Welsh: rhianta llawdrwm
English: authoritarian parenting
Status A
Subject: Social services
Part of speech: Verb
Definition: Authoritarian parenting is more controlling and less responsive to a child’s needs.
Last updated: 13 December 2017
Welsh: rhiant biolegol
English: biological parent
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: rhieni biolegol
Definition: rhiant sydd wedi cyfrannu 50% o DNA plentyn
Context: gofyniad i ddarparu gwasanaethau i rieni biolegol plentyn, gan gynnwys cwnsela ac i ddarparu gwybodaeth sy’n ymwneud â’r plentyn,
Notes: Gweler 'rhiant geni'.
Last updated: 8 July 2021
Welsh: rhiant corfforaethol
English: corporate parent
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: rhieni corfforaethol
Last updated: 7 September 2023
Welsh: Rhiant Corfforaethol Cymreig
English: Corporate Parent Wales
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Notes: Enw ar fathodyn. Sylwer mai Rhianta Corfforaethol Cymru yw enw'r corff.
Last updated: 30 January 2024
Welsh: rhiant-ddeddf
English: parent act
Status C
Subject: Law
Part of speech: Noun, Feminine, Singular
Context: Mae'n bosibl y byddai 'deddf wreiddiol' yn gweithio mewn rhai cyd-destunau.
Last updated: 21 July 2011
Welsh: rhiant geni
English: birth parent
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: rhieni geni
Definition: rhiant sydd wedi peri geni plentyn (o'i gyferbynnu â rhiant sydd wedi mabwysiadu plentyn)
Context: cyswllt rhwng plentyn a rhiant geni neu warcheidwad, brodyr a chwiorydd a pherthnasau eraill y plentyn pan awdurdodir lleoli plentyn ar gyfer ei fabwysiadu neu pan fo wediʼi fabwysiadu
Notes: Gweler 'rhiant biolegol'.
Last updated: 8 July 2021
Welsh: rhiant-gwmni
English: parent company
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last updated: 26 June 2012
Welsh: rhiant-lywodraethwr
English: parent governor
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: rhiant-lywodraethwyr
Last updated: 12 June 2025
Welsh: rhiant mabwysiadol
English: adoptive parent
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: rhieni mabwysiadol
Definition: Person sydd wedi mabwysiadu plentyn ac sydd â’r hawliau a’r cyfrifoldebau cyfreithiol sy’n gysylltiedig â bod yn rhiant.
Last updated: 25 September 2025
Welsh: rhiant maeth
English: foster parent
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: rhieni maeth
Context: Os nad yw lleoli plentyn gyda'i riant/rhieni yn gyson â llesiant y plentyn, neu nad yw'n rhesymol ymarferol, mae'r plentyn yn cael ei leoli gyda rhiant maeth (gan gynnwys trefniadau gofal gan berthnasau) neu mewn cartref plant.
Last updated: 10 July 2024
Welsh: rhiant maeth awdurdod lleol
English: local authority foster parent
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: rhieni maeth awdurdod lleol
Last updated: 11 July 2024
Welsh: rhiant naturiol
English: natural parent
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Last updated: 13 May 2014
Welsh: rhiant-sefydliad
English: parent organisation
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Last updated: 12 January 2012
Welsh: rhiant sengl
English: single parent
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: a single parent is an unmarried individual who has a child who may or may not be supported in every way by another parent, eg father provides financially and emotionally.
Last updated: 16 April 2003
Welsh: rhiant sy'n gweithio
English: working parent
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: rhieni sy'n gweithio
Context: Diffiniad o riant sy’n gweithio sy’n gymwys... Mae’r term rhiant sy’n gweithio yn cyfeirio at rieni a gwarcheidwaid, llys-rieni a phartneriaid sy'n cyd-fyw yn hirdymor o fewn aelwyd.
Notes: Term sy'n ymwneud â'r cynnig gofal plant
Last updated: 29 November 2017
Welsh: rhiant sy'n gweithio ac sy'n gymwys
English: eligible working parent
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Plural: rhieni sy'n gweithio ac sy'n gymwys
Context: Diffiniad o riant sy’n gweithio sy’n gymwys... Mae’r term rhiant sy’n gweithio yn cyfeirio at rieni a gwarcheidwaid, llys-rieni a phartneriaid sy'n cyd-fyw yn hirdymor o fewn aelwyd.
Notes: Term sy'n ymwneud â'r cynnig gofal plant
Last updated: 29 November 2017
Welsh: rhiant unigol
English: lone parent
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: Generally used to descibe someone who is undertaking parenting alone... without another parent on the scene, maybe even without extended family help. This term can be used to describe someone who is actually married.
Last updated: 9 May 2024