skysphere
A sphere with a texture on its inner face, used to simulate the sky or similar backdrop around a three-dimensional playfield; a skydome.

skyspheres
plural of skysphere

skytubes
Synonym of tube maze.
Synonym of skywalk; an architectural element; a raised walkway enclosed in glass.

slabstone
A flat, rectangular piece of rock or stone used for paving or roofing.

slabstones
plural of slabstone

slaker
A machine that slakes, or mixes a substance with water.

slakers
plural of slaker

slang
Language outside of conventional usage and in the informal register.
Language that is unique to a particular profession or subject; jargon.
The specialized language of a social group, sometimes used to conceal one's meaning from outsiders; cant.
A particular variety of slang; the slang used by a particular group.
An item of slang; a slang word or expression.
A curse word.

slangs
plural of slang

slanket
Alternative form of slang (“long narrow piece of land”).

slankets
plural of slanket

slapstick
A style of humor focusing on physical comedy, such as slipping on a banana peel, and with foolish characters who get into humiliating situations.
A pair of sticks attached at one end and used to create a slapping sound effect, used especially in slapstick comedy; a type of clapper.

slapsticks
plural of slapstick

slaughterpersons
plural of slaughterperson

sleboggan
A device for steering toboggans.

sleboggans
plural of sleboggan

sleekers
plural of sleeker

sleekstone
A smooth stone used for polishing.

sleekstones
plural of sleekstone

sleepsack
A kind of wearable blanket for a baby.
A device resembling a sleeping bag, often fastened with a zipper, that tightly immobilizes the occupant.

sleepsacks
plural of sleepsack

slews
third-person singular simple present indicative of slew

slickem
Hair oil.
A very fine waste material produced by hydraulic mining which tends to contaminate waterways.
A superlubricant packet or spray that can be used to reduce traction on surfaces or as a lubricant.
A long-chain polymer that is injected into oil pipelines to reduce turbulent flow.
A piece of wood wrapped in abrasive cloth, used for sharpening blades.

slickems
plural of slickem

slickstone
Synonym of sleekstone.

slickstones
plural of slickstone

slideglass
Synonym of microscope slide.

slideglasses
plural of slideglass

slideometer
Alternative form of slidometer.

slideometers
plural of slideometer

slidometer
An instrument for indicating and recording shocks to railway cars caused by sudden stopping.
A device for measuring the movement of a glacier.

slidometers
plural of slidometer

sling
To throw with a circular or arcing motion.
To throw with a sling.
To pass a rope around (a cask, gun, etc.) preparatory to attaching a hoisting or lowering tackle.
To sell, peddle, or distribute (often illicitly, e.g. drugs, sex, etc.).

slingbag
Alternative form of sling bag.

slingbags
plural of slingbag

slingblade
Alternative form of sling blade.

slingblades
plural of slingblade

slings
plural of sling

slip noose
A noose made by tying a slip knot and often used to trap an animal, bird, or person by the feet.

slip nooses
plural of slip noose

sliprail
A movable bar or railing used to temporarily confine a horse.

sliprails
plural of sliprail

slipstitch
a kind of stitch that is passed from the left needle to the right needle without being knitted
a stitch used to connect different parts of a work, achieved by pulling the thread through two non-adjacent loops

slipstitches
plural of slipstitch

slitmask
A device that is attached to an optical device in order to remove all light except for that from a particular direction.

slitmasks
plural of slitmask

slotter
Someone or something that slots (that is, makes slots).
Someone or something that slots (that is, makes slots).

slotters
plural of slotter

slowmatch
Alternative spelling of slow match.

slowmatches
plural of slowmatch

slowrie
A chain or hook used for hanging a pot while cooking.

sludge
Solids separated from suspension in a liquid.
A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.
A sediment of accumulated minerals in a steam boiler.
A mass of small pieces of ice on the surface of a water body.
Ellipsis of sludge metal.
Institutional policies that introduce tedium and inefficiency in processes.

sluicebox
Alternative form of sluice box.

sluiceboxes
plural of sluicebox

smallware
Small useful items of merchandise including kitchen utensils.
Narrow pieces of fabric such as ribbons, braids or tapes.

smallwares
plural of smallware

smartbook
A mobile device that has the functions of both a smartphone and a netbook.

smartbooks
plural of smartbook

smartphone
A mobile phone with more advanced features and greater computing capacity than a featurephone.

smartphones
plural of smartphone

smashpad
A place used for casual sexual intercourse.

smashpads
plural of smashpad

smitt
Fine clay or ochre made up into balls, used for marking sheep.

smokewood
Any of various plants that are used to produce smoke when burned.
The virgin's bower (Clematis vitalba), whose porous stems were traditionally smoked by boys.

smoothwire
Wire, used for fencing, that is not barbed wire.

smutmonger
A purveyor of smut, a pornographer; a salacious gossip or publisher.

smutmongers
plural of smutmonger

smutter
A machine that removes smut from grain by breaking open the diseased grains and removing them via airstream.

smutters
plural of smutter

smyris
emery

snaphead
A hemispherical or rounded head to a rivet or bolt.
A swaging tool with a cavity in its face for forming such a rounded head.

snapheads
plural of snaphead

snapin
A software plug-in.

snapins
plural of snapin

snaplock
A mechanism for firing a gun that ignites the propellant by means of sparks produced when a spring-powered cock strikes a flint down on to a piece of hardened steel.

snaplocks
plural of snaplock

snaths
plural of snath

sneakernet
A method of transferring a computer file from one computer to another by copying it to a floppy disk, thumb drive, or some other external storage device, carrying the device to the other computer, and saving the file there, in contrast to electronic methods used by networked computers to transfer data.
The group of computers involved in this practice.

sneakernets
plural of sneakernet

sneakies
plural of sneaky

sneaky
Elusive; difficult to capture or observe due to constantly outwitting the adversaries.
Dishonest; deceitful.

snift
A moment; a while.
A light dusting, as of snow.

snifts
plural of snift

sniperscope
A night vision device used to assist snipers in locating their targets in the dark.

sniperscopes
plural of sniperscope

snipper
Agent noun of to snip; a person or thing that snips.
A tool used for snipping.

snippers
plural of snipper

snips
plural of snip
shears; hand tools used to cut sheet metal and other tough webs

snoff
A short candle end used for igniting a fuse.

snoffs
plural of snoff

snooperscope
Synonym of sniperscope.

snooperscopes
plural of snooperscope

snowcrete
compressed snow that can be used to build structures

snowfarming
Alternative spelling of snow farming.

snowfort
Alternative form of snow fort.

snowforts
plural of snowfort

snowgun
A cannon that uses pressurized air and water to create snow, used for example to supplement the natural snow on a ski slope.

snowguns
plural of snowgun

snowhook
A hook used to anchor a sled to snow or ice.

snowhooks
plural of snowhook

snowhorse
A visual representation of a horse made from snow.
A horse bred or used for service in the winter.

snowhorses
plural of snowhorse

snowladies
plural of snowlady

snowmachine
A machine that makes snow, such as a snowgun
A vehicle that can travel through snow.
A vehicle that can travel through snow.
A machine that removes snow, such as a snowblower.
A machine that grooms snow on ski runs and ski trails.

snowmachined
simple past and past participle of snowmachine