controller

Primary Meanings of controller

1.
n
a mechanism that controls the operation of a machine
2.
n
a person who directs and restrains
3.
n
someone who maintains and audits business accounts
Full Definitions of controller
1

n a mechanism that controls the operation of a machine

“the speed controller on his turntable was not working properly”
Synonyms:
control
Types:
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cruise control
control mechanism for keeping an automobile at a set speed
dial
the control on a radio or television set that is used for tuning
disk controller
(computer science) a circuit or chip that translates commands into a form that can control a hard disk drive
governor, regulator
a control that maintains a steady speed in a machine (as by controlling the supply of fuel)
handwheel
control consisting of a wheel whose rim serves as the handle by which a part is operated
joystick
a manual control consisting of a vertical handle that can move freely in two directions; used as an input device to computers or to devices controlled by computers
regulator
any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.
electric switch, electrical switch, switch
control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
valve
control consisting of a mechanical device for controlling the flow of a fluid
accelerator, throttle, throttle valve
a valve that regulates the supply of fuel to the engine
aperture
a device that controls amount of light admitted
ball cock, ballcock
floating ball that controls level in a water tank
ball valve
any valve that checks flow by the seating of a ball
butterfly valve
a valve in a carburetor that consists of a disc that turns and acts as a throttle
choke
a valve that controls the flow of air into the carburetor of a gasoline engine
clack, clack valve, clapper valve
a simple valve with a hinge on one side; allows fluid to flow in only one direction
commutator
switch for reversing the direction of an electric current
cutout
a switch that interrupts an electric circuit in the event of an overload
draft
a regulator for controlling the flow of air in a fireplace
exhaust valve
a valve through which burned gases from a cylinder escape into the exhaust manifold
faucet, spigot
a regulator for controlling the flow of a liquid from a reservoir
flywheel
regulator consisting of a heavy wheel that stores kinetic energy and smooths the operation of a reciprocating engine
ignition switch
switch that operates a solenoid that closes a circuit to operate the starter
intake valve
a valve that controls the flow of fluid through an intake
peg
regulator that can be turned to regulate the pitch of the strings of a stringed instrument
petcock
regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining
poppet, poppet valve
a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines
button, push, push button
an electrical switch operated by pressing
register
a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device
escape, escape cock, escape valve, relief valve, safety valve
a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
selector, selector switch
a switch that is used to select among alternatives
slide valve
valve that opens and closes a passageway by sliding over a port
floodgate, head gate, penstock, sluice valve, sluicegate, water gate
regulator consisting of a valve or gate that controls the rate of water flow through a sluice
steering wheel, wheel
a handwheel that is used for steering
thermoregulator, thermostat
a regulator for automatically regulating temperature by starting or stopping the supply of heat
three-point switch, three-way switch
an electric switch that has three terminals; used to control a circuit from two different locations
timer
a regulator that activates or deactivates a mechanism at set times
time-switch
a switch set to operate at a desired time
on-off switch, on/off switch, toggle, toggle switch
a hinged switch that can assume either of two positions
Type of:
mechanism
device consisting of a piece of machinery; has moving parts that perform some function
2

n a person who directs and restrains

Synonyms:
restrainer
Types:
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nazi
derogatory term for a person who is fanatically dedicated to, or seeks to control, some activity, practice, etc.
overcomer, subduer, surmounter
someone who overcomes and establishes ascendancy and control by force or persuasion
suppresser, suppressor
someone who suppresses
withholder
a person who restrains or checks or holds back
Type of:
individual, mortal, person, somebody, someone, soul
a human being
3

n someone who maintains and audits business accounts

Synonyms:
accountant, comptroller
Types:
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auditor
a qualified accountant who inspects the accounting records and practices of a business or other organization
bean counter
an accountant or bureaucrat who is believed to place undue emphasis on the control of expenditures
bookkeeper
someone who records the transactions of a business
CPA, certified public accountant
an accountant who has passed certain examinations and met all other statutory and licensing requirements of a United States state to be certified by that state
chartered accountant
a British or Canadian accountant who is a member of a professional body that has a royal charter
cost accountant
a specialist in the systematic recording and analysis of the costs incident to production
internal auditor
an auditor who is an employee of the company whose records are audited and who provides information to the management and board of directors
Type of:
bourgeois, businessperson
a capitalist who engages in industrial commercial enterprise

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