TermCymru

Results are displayed in English alphabetical order A-Z

Welsh: gwerth ardrethol

Status A

Subject: Housing

Part of speech: Noun, Masculine, Singular

Plural: gwerthoedd ardrethol

Definition: A rateable value is an estimate of what it would cost to rent a property for a year, on a set valuation date. The property is assumed to be: vacant, in reasonable repair, available to let on the open market.

Context: When we look at the rateable values of these properties, the majority fall into the lower part of the range, with over half having a rateable value below £6,000 (Figure 3).

Last Updated: 6 October 2023

English: rated thermal input

Welsh: cyfradd y mewnbwn thermol

Status C

Subject: Environment

Part of speech: Noun, Feminine, Singular

Definition: Defined for the purposes of other legislation as 'the rate at which fuel can be burned at the maximum continuous rating of the appliance multiplied by the net calorific value of the fuel and expressed as megawatts thermal'.

Last Updated: 5 September 2003

English: rate of improvement

Welsh: cyfradd gwelliant

Status C

Subject: Education

Part of speech: Noun, Feminine, Singular

Last Updated: 28 September 2011

English: rate of interest

Welsh: cyfradd llog

Status C

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last Updated: 15 March 2006

English: rate of transmission

Welsh: cyfradd trosglwyddiadau

Status B

Subject: Health

Part of speech: Noun, Feminine, Singular

Notes: Yng nghyd-destun clefydau trosglwyddadwy.

Last Updated: 7 May 2020

English: ratepayer

Welsh: talwr ardrethi

Status A

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Plural: talwyr ardrethi

Notes: Mae'n bosibl y gallai 'trethdalwr' fod yn addas mewn cyd-destunau llai technegol lle nad oes angen gwahaniaethu rhwng 'ratepayer' a 'taxpayer'.

Last Updated: 6 October 2023

English: rate per hour

Welsh: cyfradd yr awr

Status A

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last Updated: 7 August 2013

English: rate relief

Welsh: rhyddhad ardrethi

Status C

Subject: Housing

Part of speech: Noun, Masculine, Singular

Definition: Dyma sydd yn y dogfennau cyfreithiol, ond gellir defnyddio 'cymorth y dreth' mewn sefyllfaoedd llai ffurfiol.

Last Updated: 4 July 2006

English: rates

Welsh: cyfraddau

Status B

Subject: Finance and statistics

Part of speech: Noun, Plural

Definition: Numerical proportions.

Last Updated: 21 February 2005

English: rates

Welsh: ardrethi

Status B

Subject: Finance and statistics

Part of speech: Noun, Plural

Definition: An amount levied by a local authority according to the assessed value of property.

Last Updated: 21 February 2005

English: rates retention

Welsh: dargadw ardrethi

Status B

Subject: Finance and statistics

Part of speech: Verb

Definition: Sefyllfa lle bydd awdurdod lleol yn cadw cyfran o’r ardrethi busnes a godir yn lleol, yn hytrach na bod y cyfan yn cael ei gronni yn genedlaethol a’i ailddosbarthu o’r canol.

Last Updated: 10 December 2024

English: rate support grant

Welsh: grant cynnal ardrethi

Status C

Subject: Local government

Part of speech: Noun, Masculine, Singular

Definition: RSG

Last Updated: 21 June 2007

English: rates yield

Welsh: arenillion ardrethi

Status C

Subject: Finance and statistics

Part of speech: Noun, Plural

Context: Mae Llywodraeth Cymru yn barod i ystyried cynigion ar gyfer dull gweithredu "cyfran o'r elw" o ran cadw'n rhannol ardrethi annomestig yng Nghymru a allai alluogi rhanbarthau i gadw cyfran o'r enillion (twf net) yn yr arenillion ardrethi yn eu hardal.

Last Updated: 9 August 2017

English: Rathbone Terrace

Welsh: Rhes Rathbone

Status C

Subject: Place-names

Part of speech: Proper noun

Context: Dolwyddelan

Last Updated: 8 July 2010

English: rating

Welsh: graddfa

Status C

Subject: Social services

Part of speech: Noun, Feminine, Singular

Last Updated: 1 March 2006

English: rating agent

Welsh: asiant ardrethu

Status B

Subject: Finance and statistics

Part of speech: Masculine, Singular

Plural: asiantiaid ardrethu

Last Updated: 6 November 2025

English: Rating (Coronavirus) and Directors Disqualification (Dissolved Companies) Bill

Welsh: Y Bil Ardrethu (Coronafeirws) ac Anghymhwyso Cyfarwyddwyr (Cwmnïau a Ddiddymwyd)

Status B

Subject: Titles of legislation

Part of speech: Noun, Masculine, Singular

Notes: Teitl cwrteisi ar Fil gan Lywodraeth y DU.

Last Updated: 12 August 2021

English: rating criteria

Welsh: meini prawf sgorio

Status B

Subject: Food

Part of speech: Noun, Plural

Last Updated: 16 December 2011

English: rating list

Welsh: rhestr ardrethu

Status B

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last Updated: 6 November 2025

English: rating re-inspection

Welsh: ailarolygiad sgorio

Status B

Subject: Food

Part of speech: Noun, Masculine, Singular

Last Updated: 16 December 2011

English: ratings

Welsh: graddfeydd

Status C

Subject: Social services

Part of speech: Noun, Plural

Last Updated: 1 March 2006

English: ratio

Welsh: cymhareb

Status C

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last Updated: 17 March 2009

English: ratio analysis

Welsh: dadansoddi cymarebau

Status B

Subject: Housing

Part of speech: Verb

Last Updated: 13 January 2012

English: rationale

Welsh: sail resymegol

Status C

Subject: General

Part of speech: Noun, Feminine, Singular

Definition: Gall 'rheswm' gael ei ddefnyddio lle bo'n briodol.

Last Updated: 17 April 2008

English: rationalise school places

Welsh: ad-drefnu lleoedd mewn ysgolion

Status B

Subject: Education

Part of speech: Verb

Last Updated: 20 October 2011

English: Rational Planning Model

Welsh: Model Cynllunio Rhesymegol

Status C

Subject: Planning

Part of speech: Noun, Masculine, Singular

Last Updated: 3 December 2012

English: ratio of X to Y

Welsh: y gymhareb o X i Y

Status C

Subject: Finance and statistics

Part of speech: Noun, Feminine, Singular

Last Updated: 10 March 2010

English: ratite

Welsh: ratid

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Definition: aderyn o deulu'r estrys, aderyn di-gêl

Last Updated: 17 August 2004

English: ratites

Welsh: ratidau

Status C

Subject: Agriculture

Part of speech: Noun, Plural

Definition: adar o deulu'r estrys, adar di-gêl

Last Updated: 17 August 2004

English: rat-tail

Welsh: grenadwr

Status B

Subject: Animals

Part of speech: Noun, Masculine, Singular

Plural: grenadwyr

Definition: Unrhyw rywogaeth o deulu Macrouridae

Notes: https://en.wikipedia.org/wiki/Grenadiers_(fish)

Last Updated: 14 March 2019

English: rattan

Welsh: ratan

Status C

Subject: Environment

Part of speech: Noun, Feminine, Singular

Last Updated: 25 July 2005

English: rave

Welsh: rêf

Status B

Subject: Justice and order

Part of speech: Noun, Masculine, Singular

Last Updated: 30 August 2012

English: raven

Welsh: cigfran

Status C

Subject: Birds

Part of speech: Noun, Feminine, Singular

Last Updated: 26 June 2012

English: raw data

Welsh: data amrwd

Status C

Subject: Finance and statistics

Part of speech: Noun, Plural

Definition: Ystadegau

Last Updated: 14 September 2004

English: raw egg

Welsh: wy amrwd

Status A

Subject: Food

Part of speech: Noun, Masculine, Singular

Plural: wyau amrwd

Last Updated: 4 April 2019

English: raw material

Welsh: deunydd crai

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last Updated: 29 July 2003

English: raw material depletion

Welsh: treuliant deunyddiau crai

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Y defnydd a wneir o ddeunyddiau crai yn ystod oes gyfan unrhyw gynnyrch (ee adeilad).

Last Updated: 26 January 2023

English: raw milk

Welsh: llaeth amrwd

Status C

Subject: Agriculture

Part of speech: Noun, Masculine, Singular

Last Updated: 9 June 2006

English: raw outcomes

Welsh: deilliannau crai

Status B

Subject: Education

Part of speech: Noun, Plural

Last Updated: 3 November 2011

English: raw score

Welsh: sgôr grai

Status B

Subject: Education

Part of speech: Noun, Feminine, Singular

Last Updated: 3 November 2011

English: ray

Welsh: morgath

Status A

Subject: Animals

Part of speech: Noun, Feminine, Singular

Definition: Order: Rajiformes.

Last Updated: 2 February 2009

English: Ray's bream

Welsh: merfog môr

Status A

Subject: Animals

Part of speech: Noun, Masculine, Singular

Definition: Brama brama

Context: Also known as "Atlantic pomfret".

Last Updated: 27 June 2012

English: razorbill

Welsh: llurs

Status C

Subject: Birds

Part of speech: Noun, Masculine, Singular

Last Updated: 26 June 2012

English: razor clam

Welsh: cyllell fôr

Status A

Subject: Animals

Part of speech: Noun, Feminine, Singular

Definition: Ensis spp.

Context: Also known as "razor shell".

Last Updated: 11 April 2013

English: razor shell

Welsh: cyllell fôr

Status A

Subject: Animals

Part of speech: Noun, Feminine, Singular

Definition: Ensis spp.

Context: Also known as "razor clam".

Last Updated: 11 April 2013

English: RB209 crop requirement

Welsh: angen y cnwd yn ôl RB209

Status C

Subject: Environment

Part of speech: Noun, Masculine, Singular

Definition: Table listing the nutrient requirements of all crops.

Last Updated: 31 March 2009

English: RBA

Welsh: Atebolrwydd yn Seiliedig ar Ganlyniadau

Status C

Subject: Finance and statistics

Part of speech: Noun, Masculine, Singular

Definition: Results Based Accountability

Last Updated: 24 November 2011

English: RBCT

Welsh: RBCT

Status C

Subject: Agriculture

Part of speech: Neutral

Definition: Randomised Badger Culling Trial

Last Updated: 18 October 2004

English: RBDs

Welsh: Ardaloedd Basn Afon

Status C

Subject: Environment

Part of speech: Noun, Plural

Definition: River Basin Districts

Last Updated: 8 August 2007

English: RBI

Welsh: Arolygydd Gwenyn Rhanbarthol

Status B

Subject: Environment

Part of speech: Noun, Masculine, Singular

Notes: Dyma'r acronym Saesneg a ddefnyddir am Regional Bee Inspector.

Last Updated: 23 September 2020

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