-
accelerator
0
n 1: a pedal that controls the throttle valve; "he stepped on
the gas" [syn: accelerator, accelerator pedal, gas
pedal, gas, throttle, gun]
2: a valve that regulates the supply of fuel to the engine [syn:
accelerator, throttle, throttle valve]
3: (chemistry) a substance that initiates or accelerates a
chemical reaction without itself being affected [syn:
catalyst, accelerator] [ant: anticatalyst]
4: a scientific instrument that increases the kinetic energy of
charged particles [syn: accelerator, particle
accelerator, atom smasher]
-
accumulator
0
n 1: a person who is employed to collect payments (as for rent
or taxes) [syn: collector, gatherer, accumulator]
2: a voltaic battery that stores electric charge [syn: storage
battery, accumulator]
3: (computer science) a register that has a built-in adder that
adds an input number to the contents of the register [syn:
accumulator, accumulator register]
-
activator
0
n 1: (biology) any agency bringing about activation; a molecule
that increases the activity of an enzyme or a protein that
increases the production of a gene product in DNA
transcription [ant: inhibitor]
-
actuator
0
n 1: a mechanism that puts something into automatic action
-
agitator
0
n 1: one who agitates; a political troublemaker [syn:
agitator, fomenter]
-
alligator
0
n 1: leather made from alligator's hide
2: either of two amphibious reptiles related to crocodiles but
with shorter broader snouts [syn: alligator, gator]
v 1: crack and acquire the appearance of alligator hide, as from
weathering or improper application; of paint and varnishes
-
alternator
0
n 1: an old term for an electric generator that produces
alternating current (especially in automobiles)
-
animator
0
n 1: someone who imparts energy and vitality and spirit to other
people [syn: energizer, energiser, vitalizer,
vitaliser, animator]
2: the technician who produces animated cartoons
-
applicator
0
n 1: a device for applying a substance [syn: applicator,
applier]
-
appropriator
0
n 1: someone who takes for his or her own use (especially
without permission)
-
arbitrator
0
n 1: someone chosen to judge and decide a disputed issue; "the
critic was considered to be an arbiter of modern
literature"; "the arbitrator's authority derived from the
consent of the disputants"; "an umpire was appointed to
settle the tax case" [syn: arbiter, arbitrator,
umpire]
-
are
0
n 1: a unit of surface area equal to 100 square meters [syn:
are, ar]
-
aviator
0
n 1: someone who operates an aircraft [syn: aviator,
aeronaut, airman, flier, flyer]
-
calculator
0
n 1: an expert at calculation (or at operating calculating
machines) [syn: calculator, reckoner, figurer,
estimator, computer]
2: a small machine that is used for mathematical calculations
[syn: calculator, calculating machine]
-
cater
0
v 1: give what is desired or needed, especially support, food or
sustenance; "The hostess provided lunch for all the guests"
[syn: provide, supply, ply, cater]
2: supply food ready to eat; for parties and banquets
-
collaborator
0
n 1: someone who assists in a plot [syn: confederate,
collaborator, henchman, partner in crime]
2: someone who collaborates with an enemy occupying force [syn:
collaborator, collaborationist, quisling]
3: an associate in an activity or endeavor or sphere of common
interest; "the musician and the librettist were
collaborators"; "sexual partners" [syn: collaborator,
cooperator, partner, pardner]
-
commentator
0
n 1: an expert who observes and comments on something [syn:
observer, commentator]
2: a writer who reports and analyzes events of the day [syn:
commentator, reviewer]
-
communicator
0
n 1: a person who communicates with others
-
conciliator
0
n 1: someone who tries to bring peace [syn: conciliator,
make-peace, pacifier, peacemaker, reconciler]
-
coordinator
0
n 1: someone whose task is to see that work goes harmoniously
-
crater
0
n 1: a bowl-shaped geological formation at the top of a volcano
[syn: volcanic crater, crater]
2: a faint constellation in the southern hemisphere near Hydra
and Corvus
3: a bowl-shaped depression formed by the impact of a meteorite
or bomb
-
creator
0
n 1: terms referring to the Judeo-Christian God [syn: Godhead,
Lord, Creator, Maker, Divine, God Almighty,
Almighty, Jehovah]
2: a person who grows or makes or invents things
-
curator
0
n 1: the custodian of a collection (as a museum or library)
[syn: curator, conservator]
-
debater
0
n 1: someone who engages in debate [syn: debater, arguer]
-
decorator
0
n 1: a person who specializes in designing architectural
interiors and their furnishings [syn: interior designer,
designer, interior decorator, house decorator, room
decorator, decorator]
2: someone who decorates [syn: decorator, ornamentalist]
-
deflator
0
n 1: a statistical factor designed to remove the effect of
inflation; inflation adjusted variables are in constant
dollars
-
demonstrator
0
n 1: a teacher or teacher's assistant who demonstrates the
principles that are being taught
2: someone who demonstrates an article to a prospective buyer
[syn: demonstrator, sales demonstrator]
3: someone who participates in a public display of group feeling
[syn: demonstrator, protester]
-
denominator
0
n 1: the divisor of a fraction
-
detonator
0
n 1: a mechanical or electrical explosive device or a small
amount of explosive; can be used to initiate the reaction
of a disrupting explosive [syn: detonator, detonating
device, cap]
-
dictator
0
n 1: a speaker who dictates to a secretary or a recording
machine
2: a ruler who is unconstrained by law [syn: dictator,
potentate]
3: a person who behaves in a tyrannical manner; "my boss is a
dictator who makes everyone work overtime" [syn:
authoritarian, dictator]
-
educator
0
n 1: someone who educates young people [syn: educator,
pedagogue, pedagog]
-
elevator
0
n 1: lifting device consisting of a platform or cage that is
raised and lowered mechanically in a vertical shaft in
order to move people from one floor to another in a
building [syn: elevator, lift]
2: the airfoil on the tailplane of an aircraft that makes it
ascend or descend
-
equator
0
n 1: an imaginary line around the Earth forming the great circle
that is equidistant from the north and south poles; "the
equator is the boundary between the northern and southern
hemispheres"
2: a circle dividing a sphere or other surface into two usually
equal and symmetrical parts
-
escalator
0
n 1: a clause in a contract that provides for an increase or a
decrease in wages or prices or benefits etc. depending on
certain conditions (as a change in the cost of living
index) [syn: escalator clause, escalator]
2: a stairway whose steps move continuously on a circulating
belt [syn: escalator, moving staircase, moving
stairway]
-
estimator
0
n 1: an expert at calculation (or at operating calculating
machines) [syn: calculator, reckoner, figurer,
estimator, computer]
-
excavator
0
n 1: a workman who excavates for foundations of buildings or for
quarrying
2: a machine for excavating [syn: power shovel, excavator,
digger, shovel]
-
exterminator
0
n 1: someone who exterminates (especially someone whose
occupation is the extermination of troublesome rodents and
insects) [syn: exterminator, terminator, eradicator]
-
fabricator
0
n 1: someone who tells lies [syn: storyteller, fibber,
fabricator]
-
facilitator
0
n 1: someone who makes progress easier
-
fetor
0
n 1: a distinctive odor that is offensively unpleasant [syn:
malodor, malodour, stench, stink, reek, fetor,
foetor, mephitis]
-
freighter
0
n 1: a cargo ship; "they did much of their overseas trade in
foreign bottoms" [syn: bottom, freighter,
merchantman, merchant ship]
-
gaiter
0
n 1: a cloth covering (a legging) that covers the instep and
ankles [syn: spat, gaiter]
2: a shoe covering the ankle with elastic gores in the sides
3: legging consisting of a cloth or leather covering for the leg
from the knee to the ankle
-
gator
0
n 1: either of two amphibious reptiles related to crocodiles but
with shorter broader snouts [syn: alligator, gator]
-
generator
0
n 1: an apparatus that produces a vapor or gas
2: engine that converts mechanical energy into electrical energy
by electromagnetic induction
3: someone who originates or causes or initiates something; "he
was the generator of several complaints" [syn: generator,
source, author]
4: an electronic device for producing a signal voltage
-
gladiator
0
n 1: (ancient Rome) a professional combatant or a captive who
entertained the public by engaging in mortal combat
2: a professional boxer [syn: prizefighter, gladiator]
-
grater
0
n 1: utensil with sharp perforations for shredding foods (as
vegetables or cheese)
-
greater
0
adj 1: greater in size or importance or degree; "for the greater
good of the community"; "the greater Antilles" [ant:
lesser]
-
hater
0
n 1: a person who hates
-
illustrator
0
n 1: an artist who makes illustrations (for books or magazines
or advertisements etc.)
-
imitator
0
n 1: someone who (fraudulently) assumes the appearance of
another [syn: impersonator, imitator]
2: someone who copies the words or behavior of another [syn:
copycat, imitator, emulator, ape, aper]
-
impersonator
0
n 1: someone who (fraudulently) assumes the appearance of
another [syn: impersonator, imitator]
-
incinerator
0
n 1: a furnace for incinerating (especially to dispose of
refuse)
-
incubator
0
n 1: apparatus consisting of a box designed to maintain a
constant temperature by the use of a thermostat; used for
chicks or premature infants [syn: incubator, brooder]
-
indicator
0
n 1: a number or ratio (a value on a scale of measurement)
derived from a series of observed facts; can reveal
relative changes as a function of time [syn: index,
index number, indicant, indicator]
2: a signal for attracting attention
3: a device for showing the operating condition of some system
4: (chemistry) a substance that changes color to indicate the
presence of some ion or substance; can be used to indicate
the completion of a chemical reaction or (in medicine) to
test for a particular reaction
-
infiltrator
0
n 1: someone who takes up a position surreptitiously for the
purpose of espionage
2: an intruder (as troops) with hostile intent
-
inflator
0
n 1: an air pump operated by hand to inflate something (as a
tire) [syn: inflater, inflator]
-
initiator
0
n 1: a person who initiates a course of action [syn:
instigator, initiator]
-
innovator
0
n 1: someone who helps to open up a new line of research or
technology or art [syn: pioneer, innovator,
trailblazer, groundbreaker]
-
instigator
0
n 1: someone who deliberately foments trouble; "she was the
instigator of their quarrel" [syn: instigator,
provoker, inciter, instigant, firebrand]
2: a person who initiates a course of action [syn: instigator,
initiator]
-
insulator
0
n 1: a material such as glass or porcelain with negligible
electrical or thermal conductivity [syn: insulator,
dielectric, nonconductor] [ant: conductor]
-
integrator
0
n 1: a measuring instrument for measuring the area of an
irregular plane figure [syn: integrator, planimeter]
-
interrogator
0
n 1: a questioner who is excessively harsh [syn: inquisitor,
interrogator]
-
investigator
0
n 1: a scientist who devotes himself to doing research [syn:
research worker, researcher, investigator]
2: someone who investigates
3: a police officer who investigates crimes [syn: detective,
investigator, tec, police detective]
-
later
0
adv 1: happening at a time subsequent to a reference time; "he
apologized subsequently"; "he's going to the store but
he'll be back here later"; "it didn't happen until
afterward"; "two hours after that" [syn: subsequently,
later, afterwards, afterward, after, later on]
2: at some eventual time in the future; "By and by he'll
understand"; "I'll see you later" [syn: by and by, later]
3: comparative of the adverb `late'; "he stayed later than you
did"
adj 1: coming at a subsequent time or stage; "without ulterior
argument"; "the mood posterior to" [syn: later(a),
ulterior, posterior]
2: at or toward an end or late period or stage of development;
"the late phase of feudalism"; "a later symptom of the
disease"; "later medical science could have saved the child"
[syn: late, later(a)] [ant: early]
-
legislator
0
n 1: someone who makes or enacts laws
-
liquidator
0
n 1: a criminal who commits homicide (who performs the unlawful
premeditated killing of another human being) [syn:
murderer, liquidator, manslayer]
2: (law) a person (usually appointed by a court of law) who
liquidates assets or preserves them for the benefit of
affected parties [syn: liquidator, receiver]
-
locator
0
n 1: a person who fixes the boundaries of land claims [syn:
locator, locater]
-
manipulator
0
n 1: an agent that operates some apparatus or machine; "the
operator of the switchboard" [syn: operator,
manipulator]
2: a person who handles things manually
-
mater
0
n 1: an informal use of the Latin word for mother; sometimes
used by British schoolboys or used facetiously
-
mediator
0
n 1: a negotiator who acts as a link between parties [syn:
mediator, go-between, intermediator, intermediary,
intercessor]
-
moderator
0
n 1: any substance used to slow down neutrons in nuclear
reactors
2: in the Presbyterian church, the officer who presides over a
synod or general assembly
3: someone who presides over a forum or debate
4: someone who mediates disputes and attempts to avoid violence
-
motivator
0
n 1: a positive motivational influence [syn: incentive,
inducement, motivator] [ant: deterrence,
disincentive]
-
narrator
0
n 1: someone who tells a story [syn: narrator, storyteller,
teller]
-
navigator
0
n 1: the ship's officer in charge of navigation [syn: sailing
master, navigator]
2: the member of an aircrew who is responsible for the
aircraft's course
3: in earlier times, a person who explored by ship
-
negotiator
0
n 1: someone who negotiates (confers with others in order to
reach a settlement) [syn: negotiator, negotiant,
treater]
-
operator
0
n 1: (mathematics) a symbol or function representing a
mathematical operation
2: an agent that operates some apparatus or machine; "the
operator of the switchboard" [syn: operator, manipulator]
3: someone who owns or operates a business; "who is the operator
of this franchise?"
4: a shrewd or unscrupulous person who knows how to circumvent
difficulties [syn: hustler, wheeler dealer, operator]
5: a speculator who trades aggressively on stock or commodity
markets
-
originator
0
n 1: someone who creates new things [syn: originator,
conceiver, mastermind]
-
oscillator
0
n 1: generator that produces sonic oscillations or alternating
current
-
percolator
0
n 1: a coffeepot in which boiling water ascends through a
central tube and filters back down through a basket of
ground coffee beans
-
perpetrator
0
n 1: someone who perpetrates wrongdoing [syn: perpetrator,
culprit]
-
radiator
0
n 1: any object that radiates energy
2: heater consisting of a series of pipes for circulating steam
or hot water to heat rooms or buildings
3: a mechanism consisting of a metal honeycomb through which hot
fluids circulate; heat is transferred from the fluid through
the honeycomb to the airstream that is created either by the
motion of the vehicle or by a fan
-
refrigerator
0
n 1: white goods in which food can be stored at low temperatures
[syn: refrigerator, icebox]
-
regulator
0
n 1: any of various controls or devices for regulating or
controlling fluid flow, pressure, temperature, etc.
2: an official responsible for control and supervision of a
particular activity or area of public interest
3: a control that maintains a steady speed in a machine (as by
controlling the supply of fuel) [syn: governor,
regulator]
-
renovator
0
n 1: a skilled worker who is employed to restore or refinish
buildings or antique furniture [syn: refinisher,
renovator, restorer, preserver]
-
respirator
0
n 1: a breathing device for administering long-term artificial
respiration [syn: respirator, inhalator]
2: a protective mask with a filter; protects the face and lungs
against poisonous gases [syn: gasmask, respirator, gas
helmet]
-
simulator
0
n 1: a machine that simulates an environment for the purpose of
training or research
-
skater
0
n 1: someone who skates
-
spectator
0
n 1: a close observer; someone who looks at something (such as
an exhibition of some kind); "the spectators applauded the
performance"; "television viewers"; "sky watchers
discovered a new star" [syn: spectator, witness,
viewer, watcher, looker]
2: a woman's pump with medium heel; usually in contrasting
colors for toe and heel [syn: spectator pump, spectator]
-
speculator
0
n 1: someone who makes conjectures without knowing the facts
2: someone who risks losses for the possibility of considerable
gains [syn: speculator, plunger]
-
stator
0
n 1: mechanical device consisting of the stationary part of a
motor or generator in or around which the rotor revolves
[syn: stator, stator coil] [ant: rotor, rotor coil]
-
tater
0
n 1: an edible tuber native to South America; a staple food of
Ireland [syn: potato, white potato, Irish potato,
murphy, spud, tater]
-
terminator
0
n 1: someone who exterminates (especially someone whose
occupation is the extermination of troublesome rodents and
insects) [syn: exterminator, terminator, eradicator]
-
traitor
0
n 1: someone who betrays his country by committing treason [syn:
traitor, treasonist]
2: a person who says one thing and does another [syn: double-
crosser, double-dealer, two-timer, betrayer,
traitor]
-
translator
0
n 1: a person who translates written messages from one language
to another [syn: translator, transcriber]
2: someone who mediates between speakers of different languages
[syn: interpreter, translator]
3: a program that translates one programming language into
another [syn: translator, translating program]
-
ventilator
0
n 1: a device (such as a fan) that introduces fresh air or
expels foul air
2: a device that facilitates breathing in cases of respiratory
failure [syn: breathing device, breathing apparatus,
breathing machine, ventilator]
-
vibrator
0
n 1: a mechanical device that vibrates; "a reed is the vibrator
that produces the sound"
2: mechanical device that produces vibratory motion; used for
massage
-
vindicator
0
n 1: a person who argues to defend or justify some policy or
institution; "an apologist for capital punishment" [syn:
apologist, vindicator, justifier]
-
violator
0
n 1: someone who violates the law [syn: violator,
lawbreaker, law offender]
2: someone who assaults others sexually [syn: violator,
debaucher, ravisher]
-
waiter
0
n 1: a person whose occupation is to serve at table (as in a
restaurant) [syn: waiter, server]
2: a person who waits or awaits
-
prater
0
n 1: an obnoxious and foolish and loquacious talker [syn:
chatterer, babbler, prater, chatterbox, magpie,
spouter]