Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Anglo-French
Origin: contreroller 'to keep a copy of an official document in rolled-up form', from Medieval Latin contrarotulare, from contrarotulus 'copy of a roll', from Latin contra- ( CONTRA-) + rotulus 'roll'

control

2 verb
     
control2 S2 W1 past tense and past participle controlled, present participle controlling [transitive]
1

power

to have the power to make the decisions about how a country, place, company etc is organized or what it does:
The Democrats continued to control the Senate until last year.
a huge company controlling half the world's coffee trade
2

limit

to limit the amount or growth of something, especially something that is dangerous:
a chemical used to control weeds
an economic plan to control inflation
Development in areas of outstanding natural beauty is strictly controlled.
Strict measures were taken to control the spread of foot and mouth disease.
3

make somebody/something do what you want

to make someone or something do what you want, or make something happen in the way that you want:
Police had to be called in to control the crowds.
a skilled rider controlling a spirited horse
a controlling parent
4

emotion

if you control your emotions, your voice, your expression etc, you succeed in behaving calmly and sensibly, even though you feel angry, upset, or excited:
Sarah took a deep breath, trying to control her anger.
He controlled the urge to laugh.
control yourself
Newman controlled himself with an effort.
5

machine/process/system

to make a machine, process, or system work in a particular way:
a radio-controlled toy car
A thermostat controls the temperature in the building.
control how/what/which etc
The valves in the heart control how quickly the blood is pumped around the body.
6

check something

to make sure that something is done correctly [= check, monitor]:
The company strictly controls the quality of its products.
WORD CHOICE: WORD CHOICE:

control, manage, run, be in charge
To control something means to have the power to make it work in the way that you want, usually without anyone else being able to stop you The army controls the north of the country. With 75% of the shares, he effectively controls the company. To manage something means to organize the way that it works, often with responsibility for other people's work She manages a team of software developers. David managed a small bookstore. To run something such as a business means to organize it and take the important decisions about how it works, perhaps as the owner of the business I run my own cleaning business. Louise will be running the project. To be in charge means to have responsibility for a situation or activity and decide what happens in it When the Director is away, her deputy is in charge. He's in charge of marketing. WORD CHOICE: control, check, inspect, examine, test, monitor!! Do not use control to mean 'check' or 'test'. Use one of the following verbs:check or inspect means to look at something carefully to see if it is correct, safe, or legal Your passports will be checked on arrival. Safety officers inspected the building.examine means to look at something very carefully in order to find out more about it Experts who examined the letter declared it a fake.test means to carry out an experiment or process in order to find out what qualities something has They test blood samples for drugs. Every car is tested to ensure that it meets high safety standards.monitor means to keep checking or testing something over a period of time to see if it changes Her heart rate is being monitored. This device monitors room temperature and humidity.

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