pyronins
plural of pyronin

pyrosequencer
A device used in pyrosequencing.

pyrosequencers
plural of pyrosequencer

pyrosequencing
A technique used to sequence DNA using chemiluminescent enzymatic reactions.

pyrovidicon
A pyroelectric vidicon.

pyrovidicons
plural of pyrovidicon

pyrrazolooxadiazepine
Any of a class of organic compound composed of a pyrrole ring fused to an oxadiazepine system

pyrrazolooxadiazepines
plural of pyrrazolooxadiazepine

pyrrolizine
A bicyclic heterocycle consisting of a pyrrole ring fused to that of pyrrolidine

pyrrolizines
plural of pyrrolizine

pyrroloindole
A tricyclic aromatic heterocycle composed of a pyrrole ring fused to one of indole

pyrroloindoline
Any of several isomeric tricyclic heterocycles composed of a pyrrole ring fused to indoline

pyrroloindolines
plural of pyrroloindoline

pyrroloquinoline
Any of a family of compounds containing a pyrrole ring fused to the benzene ring of a quinoline

pyrroloquinolines
plural of pyrroloquinoline

qalam
A reed pen used for Islamic calligraphy

qalams
plural of qalam

quadball
A rounded cube used to approximate a sphere.
A co-ed contact ball sport created as a ground-based adaptation of Quidditch, featuring the same positions, balls, and goals as the fictional sport, but with the players clutching broomsticks and a human "snitch runner" carrying the snitch (an autonomous magical device in the Harry Potter novels).

quadballs
plural of quadball

quadrapole
Misspelling of quadrupole.

quadrats
plural of quadrat

quadrimer
tetramer

quadrimers
plural of quadrimer

quadropole
Misspelling of quadrupole.

quadrupole
A distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions.
A magnet with two north poles and two south poles, used to focus a beam of particles.

quadrupoles
plural of quadrupole

quadtree
A treelike data structure each of whose nodes has up to four children, most often used to partition a two-dimensional space by recursively subdividing it.

quadtrees
plural of quadtree

qualimeter
A device once used to estimate the hardness of X-rays

qualimeters
plural of qualimeter

quantimeter
A device for determining the quantity of X-rays generated by a Crookes tube or Coolidge tube.

quantimeters
plural of quantimeter

quantion
A form of quaternion used to explain the electroweak theory on curved spacetime.

quantions
plural of quantion

quantometer
A device for performing spectrographic analysis.

quantometers
plural of quantometer

quarterboy
A male figure that strikes a bell every quarter of an hour as part of the mechanism of a public clock.

quarterboys
plural of quarterboy

quarterpipe
Alternative form of quarter-pipe.

quarterpipes
plural of quarterpipe

quasicrystal
any solid with conventional crystalline properties but exhibiting a point group symmetry inconsistent with translational periodicity

quasicrystals
plural of quasicrystal

quasiquoter
A software mechanism that quasiquotes.

quasiquoters
plural of quasiquoter

quay
A stone or concrete structure on navigable water used for loading and unloading vessels; a wharf.

quayage
The fee charged for using a quay.

quayages
plural of quayage

quayful
As much or many as a quay can accommodate.

quayfuls
plural of quayful

quays
plural of quay

quellung
The swelling of the capsule of a bacterium; once used to identify the bacteria

quellungs
plural of quellung

quenchant
The liquid used in the quenching process of metallurgy, or used to obtain rapid cooling in cryoscopy

quenchants
plural of quenchant

quenchings
plural of quenching

quernstone
Either of a pair of stones used for grinding material by hand.

quernstones
plural of quernstone

queso
Ellipsis of chile con queso: melted cheese, used for instance as a dipping sauce.

quesos
plural of queso

quickdraw
A set of two carabiners connected by a strap.
The ability to quickly pull a handgun from its holster and accurately fire it upon a target.

quickdraws
plural of quickdraw

quickselect
A sorting algorithm related to quicksort, but with limited recursion.

quickshifter
A device that eliminates the need to use the clutch or throttle when shifting gears on a manual transmission.

quickshifters
plural of quickshifter

quinazoline
A bicyclic aromatic heterocycle consisting of a benzene ring fused to one of pyrimidine; some of its derivatives are pharmaceuticals

quinazolines
plural of quinazoline

quindoline
A bicyclic heterocycle consisting of an indole ring fused to one of quinoline; an isomer of quinindoline

quindolines
plural of quindoline

quinethazone
a thiazide diuretic used to treat hypertension.

quinindoline
A bicyclic heterocycle consisting of an indole ring fused to one of quinoline; an isomer of quindoline

quinindolines
plural of quinindoline

quinoxaline
A bicyclic heterocycle consisting of a benzene ring fused to that of pyrazine.

quinoxalines
plural of quinoxaline

quintant
An instrument used for measuring angular distance, capable of measuring angles of up to 72 or 144 degrees.
A fifth of a circle.

quintants
plural of quintant

quipo
Alternative spelling of quipu.

quipos
plural of quipo

quippu
Alternative form of quipu.

quippus
plural of quippu

quipu
A recording device, used by the Incas, consisting of intricate knotted cords.

quipus
plural of quipu

quirinca
The pods of the tree Vachellia caven, sometimes used to feed cattle.

quotative
A grammatical device to mark quoted speech, such as be like in "he was like, 'who are you?'".
A form of the complementizer related to the verb say, found in many languages of West Africa and South Asia.

quotatives
plural of quotative

qvevri
Alternative spelling of kvevri.

qvevris
plural of qvevri

rabatines
plural of rabatine

rabbeter
A woodwork tool for forming rabbets.

rabbeters
plural of rabbeter

racecraft
The total of a racer's skill (craft) along dimensions including: practicing, qualifying, starts, beginning, mid-race and end-race pace, passing, wear equipment usage, and pit strategy.
The process by which racist behaviour creates the belief that race is a biological reality.

racepath
A path used for racing.

racepaths
plural of racepath

rachiometer
A device for measuring spinal curvature.

rachiometers
plural of rachiometer

racketball
Alternative spelling of racquetball.

racketballs
plural of racketball

rackmount
Any equipment designed to be rack-mounted.

rackmounts
plural of rackmount

rackwork
Any mechanism with a rack, such as a rack and pinion.

rackworks
plural of rackwork

racloir
A prehistoric flint scraper.

racquetball
A certain sport, similar to squash, but played with a bigger ball.
A ball used for this sport.

racquetballs
plural of racquetball

radiator
Anything which radiates or emits rays.
A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
A finned metal fixture that carries hot water or steam in order to heat a room.
A type of antenna.

radiators
plural of radiator

radiobroadcasters
plural of radiobroadcaster

radiocarbide
Any radioactive carbide, but especially one used to prepare radioactive methane used as a tracer

radiochromatograph
Any chromatograph in which the separated components are detected by their radioactivity.

radiochromatographs
plural of radiochromatograph

radiochromatoscanner
An instrument that scans a chromatogram of radiolabelled compounds

radiochromatoscanners
plural of radiochromatoscanner

radioclast
An electronic device that was supposed to cure disease, operating based on tables of frequencies.

radioclasts
plural of radioclast

radioconductor
A substance or device that has its conductivity altered in some way by electric waves, such as a coherer

radioconductors
plural of radioconductor

radiodetector
A hand-held device that is used to detect underground cables or pipes, by means of radiodetection

radiodetectors
plural of radiodetector

radiodynamics
The remote control of mechanical devices by means of radio signals.