stimulus
An external phenomenon that has an influence on a system, by triggering or modifying an internal phenomenon; for example, a spur or incentive that drives a person to take action or change behaviour.
Something external that elicits or influences a physiological or psychological activity or response, or that affects any of the sensory apparatuses.
A stinging part on the body of a plant or insect.

stimuluses
plural of stimulus

stinkbomb
A device that produces a burst of unpleasant odors, used as a weapon or a prank.
A source of unpleasant odors, such as rotten eggs or garbage.

stinkbombs
plural of stinkbomb

stinkometer
A device that measures bad smell.

stinkometers
plural of stinkometer

stipes
The vertical beam of a cross used for crucifixion.
The basal segment of the maxilla of an insect or a crustacean.
A stipe; a stalk or stem.

stipites
plural of stipes

stirrer
A device used to stir. (Cardinal types include wood or plastic strips (for beverages) and magnetic objects that react to a spinning magnet nearby (for chemistry beakers).
A person who stirs something.
A person who spreads rumours or causes agitation.
One who stirs or moves about, as after sleep.

stirrers
plural of stirrer

stirrup
A ring or hoop suspended by a rope or strap from the saddle, for a horseman's foot while mounting or riding.
Any piece shaped like the stirrup of a saddle, used as a support, clamp, etc.
Any piece shaped like the stirrup of a saddle, used as a support, clamp, etc.
A stapes.
A rope secured to a yard, with a thimble in its lower end for supporting a footrope.
A bent rebar wrapped around the main rebars to reinforce against shear stress.

stirrups
plural of stirrup

stizzies
plural of stizzy

stizzy
A stashbox ("a box used to store a stash of something, especially illicit narcotics").

stockings
plural of stocking
pantyhose

stockpersons
plural of stockperson

stomatodaea
plural of stomatodaeum

stomatodaeum
Alternative form of stomodeum.

stomatodeum
Alternative form of stomodaeum.

stomatoscope
An apparatus for examining the interior of the mouth, consisting of a small light on the end of a stick.

stomatoscopes
plural of stomatoscope

stomodaea
plural of stomodaeum

stomodaeum
Alternative spelling of stomodeum.

stomodea
plural of stomodeum

stomodeum
A depression on the ectoderm of a developing embryo that becomes the mouth.

stomodeums
plural of stomodeum

stoneblower
A machine that automatically lifts and packs the sleepers of a railway with small-grade ballast, which is blown under the sleepers to level the track.

stoneblowers
plural of stoneblower

stonebow
A kind of crossbow used for shooting stones.
A toy catapult.

stonebows
plural of stonebow

stonecutter
Somebody who cuts, carves or dresses stone.
A machine that is used to cut stone or concrete.

stonecutters
plural of stonecutter

stoolball
Alternative form of stool-ball.

stoole
Obsolete spelling of stool.

stooles
plural of stoole

stoolie
A stool pigeon.

stoolies
plural of stoolie

stoolings
plural of stooling

stoolmaking
The manufacture of stools.

stooly
Alternative spelling of stoolie.

stoplog
A multi-piece barrier used to close an opening, such as across a gate or channel, that is dropped into groves on the two sides of the opening.

stoplogs
plural of stoplog

stopout
A student who leaves an academic institution but later returns to continue studying.

stopouts
plural of stopout

storeyard
A yard used for storage.

storeyards
plural of storeyard

stoveware
Utensils for use on a stovetop, such as pots, pans, griddles, etc.

stowce
A windlass, a device for drawing ore up from a mine, also formerly used (when made entirely of wood) to indicate possession of mining land.

stowces
plural of stowce

strabismometer
An instrument for measuring the amount of strabismus.

strabismometers
plural of strabismometer

strabometer
Archaic form of strabismometer.

strabometers
plural of strabometer

straightedge
Alternative form of straight edge.

straightedges
plural of straightedge

straightener
A pair of metal tongs with heated ceramic plates used for straightening hair.
Anyone or anything which straightens.
A prearranged fight to settle a dispute.
A bribe.

straighteners
plural of straightener

strainer
A device through which a liquid is passed for purification, filtering or separation from solid matter; anything (including a screen or a cloth) used to strain a liquid.
A perforated screen or openwork (usually at the end of a suction pipe of a pump), used to prevent solid bodies from mixing in a liquid stream or flowline.
Debris in water that blocks the passage of solid objects.
One who strains.

strainers
plural of strainer

strainmeter
A scientific instrument used by geophysicists to measure the deformation of the Earth.

strainmeters
plural of strainmeter

strainometer
An extensometer.

strainometers
plural of strainometer

strammels
plural of strammel

strander
a machine that combines thread (strands) into a cable
a steelworker whose job is to guide bar stock from one milling machine to the next in a multi-step milling process

stranders
plural of strander

stratotype
A stratigraphic section used to establish a reference point on a geologic time scale.

stratotypes
plural of stratotype

strawfork
A tool for shifting straw; a pitchfork.

strawforks
plural of strawfork

strawshed
A shed or barn used to store straw.

strawsheds
plural of strawshed.

streambed
A channel through which a stream flows or used to flow.

streambeds
plural of streambed

streamplot
A streamline plot that is used to display two-dimensional vector fields

streamplots
plural of streamplot

streetlamp
Alternative form of street lamp.

streetlamps
plural of streetlamp

streetlight
Any large outdoor light used to illuminate a public area, usually urban.
The light produced by these lights.

streetlights
plural of streetlight

strepozotocin
Misspelling of streptozotocin.

streptozoticin
A particular drug used to treat cancer of the pancreas.

streptozotocin
A naturally-occurring chemical that is particularly toxic to the insulin-producing beta cells of the pancreas in mammals, used to treat certain cancers.

strepzotocin
Misspelling of streptozotocin.

strigil
A grooming tool used to scrape away dead skin, oil, dirt, etc.

strigils
plural of strigil

strimmer
Synonym of string trimmer (“a powered, hand-held garden implement that uses a rotating monofilament line to cut grass, etc., without damaging other objects”).

strimmers
plural of strimmer

stringhole
A hole for a string (for example, in a seal, so a string could be passed through it and used to attach it to a document).

striper
A device that applies stripes.
The striped bass, Morone saxatilis, a popular sport fish native to North America.
A person who is authorized to wear a certain number of stripes on his or her uniform.

stripers
plural of striper

striplight
A fluorescent lighting tube.
A long bank of directed lighting used to illuminate a stage, etc.

striplights
plural of striplight

strobe
A stroboscopic lamp: a device used to produce regular flashes of light.
An electronic signal in hardware indicating that a value is ready to be read.

strobes
plural of strobe

stromuhr
An instrument for measuring the velocity of blood flow.

stromuhrs
plural of stromuhr