nugg
Alternative spelling of nug.

nuggs
plural of nugg

nugs
plural of nug

nuller
An optical device that uses destructive interference to cancel out a strong light source, such as a star.

nullers
plural of nuller

nurserypersons
plural of nurseryperson

nutator
A mechanical or electronic device for gyrating a feedhorn, dipole, or radar about the axis of the reflector without changing its polarization.

nutators
plural of nutator

nutbowl
a bowl specially used for nuts

nutbowls
plural of nutbowl

nutdriver
A hand tool for driving nuts and bolts; similar to a screwdriver but with a different tip, usually a hexagonal socket (recess) for driving fasteners with external hexagonal heads. Suitable for low- and medium-torque applications.

nutdrivers
plural of nutdriver

nutsetter
A tool for driving nuts and bolts; similar to a nutdriver but without a handle, whereas it is instead in the form of a bit that is chucked into a power tool or an indexable handle.

nutsetters
plural of nutsetter

nyctograph
A device that allows a person to write in a form of shorthand (nyctography) in the dark.

nylon
Originally, the DuPont company trade name for polyamide, a copolymer whose molecules consist of alternating diamine and dicarboxylic acid monomers bonded together; now generically used for this type of polymer.
A stocking originally fabricated from nylon; also used generically for any long, sheer stocking worn on a woman's legs.
A Queen's Counsel, King's Counsel or Senior Counsel who was appointed as a courtesy, rather than on merit.

nylons
plural of nylon

oakleaf
The leaf of the oak.
A device, badge or emblem shaped like the leaf of an oak, and indicating an award. (see Oak leaves)
Any of various nymphalid butterflies of the Asian genus Kallima.

oakleaves
plural of oakleaf

obdurator
A rigid part of a sigmoidoscope or similar device

obdurators
plural of obdurator

obidoxime
An oxime used to treat nerve gas poisoning.

obies
plural of oby

objective
Of or relating to a material object, actual existence or reality.
Not influenced by the strong emotions or prejudices.
Based on observed facts; without purely subjective assessment.
Of, or relating to a noun or pronoun used as the object of a verb.
Of, or relating to verbal conjugation that indicates the object (patient) of an action. (In linguistic descriptions of Tundra Nenets, among others.)

objectives
plural of objective

obscenicon
Synonym of grawlix (“string of typographical symbols used to represent obscenity”).

obscenicons
plural of obscenicon

occies
plural of occy

occlupanid
Synonym of bread clip.

occlupanids
plural of occlupanid

occlusometer
A gnathodynamometer.

occlusometers
plural of occlusometer

occy
An octopus (sea creature).
An octopus (safety device).

octabenzone
An ultraviolet absorber/screener, used to protect polymers against damage by UV light.

octamethylpyrophosphoramide
An odorless organophosphate insecticide, C₈H₂₄N₄O₃P₂, that has also been used to treat myasthenia gravis.

octapole
Alternative form of octupole.

octapoles
plural of octapole

octavo
A sheet of paper 7 to 10 inches (= 17.78 to 25.4 cm) high and 4.5 to 6 inches (= 11.43 to 15.24 cm) wide, the size varying with the large original sheet used to create it. It is made by folding the original sheet three times to produce eight leaves.
A book of octavo pages.

octavos
plural of octavo

octo
An octopus (safety device).

octocontrabass
An instrument that is pitched one octave below the contrabass.

octopole
A multipole configuration with eight equal charges arranged in a circular pattern.
Any configuration or analysis having eightfold symmetry.

octopoles
plural of octopole

octos
plural of octo.

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

octrees
plural of octree

octupole
Anything having eight poles or electrodes, but especially a kind of magnet used for controlling beams of charged particles

octupoles
plural of octupole

odea
plural of odeon
plural of odeum

odeia
plural of odeion

odeion
Alternative form of odeon.

odeions
plural of odeion

odeon
An ancient Greek or Roman building used for performances of music and poetry.
A theatre or concert hall.

odeons
plural of odeon

odeum
Alternative form of odeon.

odeums
plural of odeum

odometer
An instrument, usually embedded within the speedometer of a vehicle, that measures the distance the vehicle has traveled since production.
A wheel used by surveyors, which registers distance traveled.

odometers
plural of odometer

odometre
Alternative form of odometer.

odometres
plural of odometre

odontagra
An instrument for drawing teeth.

odontograph
An instrument for marking or laying off the outlines of teeth of gear wheels.

odontographs
plural of odontograph

odontometer
An odontograph.
A perforation gauge.
A device for measuring teeth, used in orthodontia and for creating crowns.

odontometers
plural of odontometer

odontoscope
An instrument for testing the action of gear wheels.

odontoscopes
plural of odontoscope

odorator
A device with a tube to be blown into and another that sprays a scent.

odorators
plural of odorator

odorimeter
Alternative form of odorometer.

odorimeters
plural of odorimeter

odoriser
Alternative form of odorizer.

odorisers
plural of odoriser

odorizer
A device to add odor to a gas.

odorizers
plural of odorizer

odorometer
A device used to measure the intensity of a smell

odorometers
plural of odorometer

odorprint
Alternative form of odourprint.

odorprints
plural of odorprint

odourprint
A uniquely distinctive odour, as used to represent or identify a person.

odourprints
plural of odourprint

odynometer
Synonym of algometer.

odynometers
plural of odynometer

oedometer
A device used for measuring the consolidation properties of soil

oedometers
plural of oedometer

oenometer
An alcoholometer.

oenometers
plural of oenometer

oflactometer
Misspelling of olfactometer.

ogbono
The almond-like seeds of Irvingia gabonensis, used to thicken soup etc.

ohm
In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere.

ohmmeter
A portable device for measuring relatively small values of electrical resistance.

ohmmeters
plural of ohmmeter

ohms
plural of ohm

oilcloth
A fabric or cloth treated on one side with a waterproof covering, especially one made from linseed oil etc.; used for flooring, tablecloths, kitchen shelves and sometimes furniture covering.

oilcloths
plural of oilcloth

oilcup
A device that dispenses oil for lubrication in an engine, etc., without the need for a human operator.

oilcups
plural of oilcup

oilstone
A type of stone used for sharpening objects such as knives and razorblades.

oilstones
plural of oilstone

ointment
A viscous preparation of oils and/or fats, usually containing medication, used as a treatment or as an emollient.
A substance used to anoint, as in religious rituals.

ointments
plural of ointment

okina
The Hawaiian apostrophe-like letter (ʻ ) used to indicate the glottal stop consonant.

okinas
plural of okina

olaquindox
A quinoxaline compound used to promote growth in pigs.

oleicum
oleic acid, (an organic acid prepared from fatals, appearing as a yellowish liquid), used to form oleates

oleometer
An instrument for determining the weight and purity of oil.

oleometers
plural of oleometer

olfactometer
A device used to measure the acuity of a person's sense of smell.
A device used to measure odour intensity, and concentrations of volatile organic compounds, by means of their smell.

olfactometers
plural of olfactometer

oligoarginine
A relatively short polyarginine, especially one used to enhance cellular delivery of a drug

oligoarginines
plural of oligoarginine

oligomicroarray
An oligonucleotide microarray

oligomicroarrays
plural of oligomicroarray