ragwheel
A wheel with a notched or serrated margin.

ragwheels
plural of ragwheel

rainstick
A hollow tube partially filled with pebbles or beans, and with small pins or thorns arranged helically on its inner surface, so that it produces a rain-like sound when upended.

rainsticks
plural of rainstick

rakeback
A rebate on the rake paid by a poker player.

rakebacks
plural of rakeback

rakestale
The handle of a rake.

rakestales
plural of rakestale

ramscoop
A proposed space travel technology using enormous electromagnetic fields as a scoop to collect and compress hydrogen and trigger thermonuclear fusion, thus powering the vessel.

ramscoops
plural of ramscoop

rangette
A small stove for cooking.

rangettes
plural of rangette

rankit
The expected value of the nth largest value (for some n) in a standard normal distribution sample of a particular size, used in normality testing.

rankits
plural of rankit

rapcon
Alternative letter-case form of RAPCON.

rapcons
plural of rapcon

rapidway
A separated bus lane forming part of a bus rapid transit system.

rapidways
plural of rapidway

rappage
The enlargement of a mould caused by rapping the pattern.

rar
Alternative letter-case form of RAR.

rars
plural of rar

rassing
The transfer of fuel, munitions, or stores from one vessel to another while under way.
Acquiring something dishonestly; scrounging or filching.

rattanware
Articles made from rattan.

rattanwares
plural of rattanware

rattinet
A woollen material similar to, but thinner than, ratteen.

rattinets
plural of rattinet

rattlebag
A mixed bag, or indiscriminate collection.

rattlebags
plural of rattlebag

rauschpfeife
A windcapped conical reed instrument of the woodwind family, used in Europe in the 16th and 17th centuries.

rauschpfeifes
plural of rauschpfeife

reballing
The catching of eels with earthworms fastened to a ball of lead.
The process of reapplying the balls (protruding contacts) on a ball grid array.

receptories
plural of receptory

receptory
A receptacle, a container .

reckan
A hook to hang a pot on.

reckans
plural of reckan.

redeco
A toy which is cast from the same mould as a previously-released toy but is given a different paint scheme or paint application scheme to make it a limited edition variant of the old toy, or to make it a new toy (new character).

redecos
plural of redeco

reelset
On a slot machine, a collection of spinning reels that determine payout. Typically this is only a single set of either three or five reels.

refeeder
A mechanical component that feeds material back into a machine.

refeeders
plural of refeeder

reflectionism
The view that cultural phenomena (literature, art, etc.) simply mirror the ideology of the dominant economic patterns of society.
The belief that we apprehend the world by copying or reflecting it within the mind; the idea that thought is a reflection of reality, rather than something created by the mind.
The belief that judgement is intuitive and that reflection and reason are subsequently applied to justify judgements.
The use of reflection to examine and critique aspects of society.

refoliation
The regrowth of leaves, either in spring or following defoliation

refoliations
plural of refoliation

rehra
A horse-drawn cart or carriage.

rehras
plural of rehra

rejon
A lance used in bullfighting.

rejones
plural of rejon

relevancies
plural of relevancy

relevancy
Sufficiency (of a statement, claim etc.) to carry weight in law; legal pertinence.
The degree to which a thing is relevant; relevance, applicability.
A relevant thing.

relexification
The mechanism of language change by which one language replaces much or all of its lexicon with that of another language.

relexifications
plural of relexification

reliquaire
reliquary (container)

reliquaires
plural of reliquaire

reluctor
A toothed ring or wheel that rotates past a variable reluctance sensor.

remarque
A small design etched on the margin of a plate and supposed to be removed after the earliest proofs have been taken.
Any feature distinguishing a particular stage of the plate.
A print or proof distinguished by such a mark.

remarques
plural of remarque

reposado
A tequila that has been aged in oak barrels for between two months and one year.

reposados
plural of reposado

reprographies
plural of reprography

reprography
The reproduction, reprinting and copying of graphics, especially using electromechanical or photographic methods.

reptarium
A glass tank in which reptiles are held for display

requinto
A smaller, higher-pitched version of another instrument, usually a guitar.

requintos
plural of requinto

resonistor
A monolithic electromechanical resonator constructed in MEMS technology

resonistors
plural of resonistor

reticule
A reticle; a grid in the eyepiece of an instrument.
A small women's bag made of a woven net-like material.

reticules
plural of reticule

retrocervix
The retrocervical part of the retrovaginal pouch

retrospectoscope
A hypothetical instrument that allows diagnostic and management decisions to be made with medical hindsight.

retrospectoscopes
plural of retrospectoscope

retrospectroscope
Synonym of retrospectoscope.

retrospectroscopes
plural of retrospectroscope

revoltade
A bravura jump in which one lands on the leg from which one pushes off after that leg travels around the other leg which is lifted to a level that is parallel with the floor.

revoltades
plural of revoltade

rheocord
A metallic wire used in measuring the resistance of an electric current.

rheocords
plural of rheocord

rheophore
Any wire, electrode or connector that conducts electricity

rheophores
plural of rheophore

rheotome
Any instrument that interrupts an electric current.

rheotomes
plural of rheotome

rhineurynter
A dilatable bag, inserted into the nostril and inflated to arrest a profuse nosebleed.

rhineurynters
plural of rhineurynter

rhynd
Alternative form of rynd (“type of support for a millstone”).

rhynds
plural of rhynd

ridgeboard
Synonym of ridgepole (“beam along the ridge of a roof”).

ridgeboards
plural of ridgeboard

ridgepiece
Synonym of ridgepole.

ridgepieces
plural of ridgepiece

ridgeplate
Synonym of ridgepiece.

ridgeplates
plural of ridgeplate

ridgepole
A beam along the ridge of a roof to which the rafters are attached.
A horizontal pole that supports the roof of a ridge tent .

ridgepoles
plural of ridgepole

rimbase
A short cylinder connecting a trunnion with the body of a cannon.

rimbases
plural of rimbase

ringette
A team sport played on ice on skates and primarily by women, the players using sticks to control a rubber ring and attempting to score goals by landing it in the opponents' net.

ringwalk
The glamorous entrance of a boxer into the ring shortly before the fight.

ringwalks
plural of ringwalk.

rinsate
water, containing low concentrations of contaminants, resulting from the cleaning of containers etc.

rinsates
plural of rinsate

ripcord
A cord to release a parachute from its sack.

ripcords
plural of ripcord

riskware
Software that may pose a risk to a computer on which it is installed.

rivercraft
Any vessel that travels along a river.

rkt
Abbreviation of rocket.

roadstead
A partly sheltered anchorage; a stretch of water near the shore where vessels may ride at anchor, but with less protection than a harbour.

roadsteads
plural of roadstead

robibytes
plural of robibyte

robogun
A robotic gun; a gun not directly controlled by a human.

roboguns
plural of robogun

robolawyer
A computer system that dispenses legal advice.

robolawyers
plural of robolawyer

robopet
A robot marketed as a pet.

robopets
plural of robopet

robopsychology
The study of the personalities of intelligent machines.

roboroach
A cockroach that is part organic and part machine; a cyborg cockroach.

roboroaches
plural of roboroach

robotess
A robot designated female; a gynoid.

robotesses
plural of robotess

roboticisation
Alternative form of roboticization.

roboticization
robotization