Tra từ mt - Từ điển Oxford Learners Wordfinder Dictionary

1 different kinds of machine
2 parts of a machine
3 power for a machine
4 using a machine
5 working or not working well
6 knowing about machines
machines used in building BUILD
machines used on farms FARM
see also TOOL

1 different kinds of machine
- a piece of equipment with several moving parts, which performs a particular activity: machine
a washing machine ◎ Can you work this machine?
- machines in general: machinery (noun U)
farm machinery
- worked by, connected with, or produced by machines: mechanical (adverb mechanically)
a mechanical device
- operated by hand and not by machine: manual (adverb manually)
This car has a manual gearbox. ◎ If you press this button here, you can then operate the machine manually.
- a machine that can work by itself without direct human control is automatic (adverb automatically)
an automatic gearbox ◎ The doors open automatically.
- a machine that provides the power needed for sth to work or move: motor, engine
an electric motor ◎ a petrol/diesel/steam/jet engine
Note: normally we use engine for vehicles and motor for small machines that we use in the house, office, workshop, etc.

2 parts of a machine
- one of the pieces that make up a machine: part
a simple machine with only a few moving parts
- the moving parts of a machine: machinery (noun U)
- the parts of a machine that are used for operating it: controls (noun plural)
the controls of an aeroplane
- something that is used for measuring speed, fuel levels, etc in a machine: instrument
the instrument panel of a plane
- a handle that you pull or push in order to make a machine, etc work: lever
To increase the speed, pull this lever.
- a small device that you press up or down in order to start or stop a machine: switch
- a type of small switch on a machine that you press in order to operate sth: button
- a kind of switch on a piece of equipment that you turn with your hand in order to change the level of sth: dial
※ parts of engines (mainly petrol engines)
- a device you use to start an engine: starter
- the electrical system that starts the engine of a car: ignition
- a device that controls the power of an engine by increasing or decreasing the amount of fuel it can use: throttle
- a device which makes the fuel richer in an engine when it is cold: choke
- a device that mixes petrol and air in an engine: carburettor (AmE carburetor)
- a thing that produces sparks (= small amounts of light and heat from electricity) in an engine: spark plug (BrE also sparking plug)
- a piece of metal that fits tightly inside a tube and, by moving up and down in the tube, causes other parts of an engine to move: piston; the tube that a piston moves in: cylinder
a six-cylinder engine
- a mechanical device that controls the flow of air, water or gas in a pipe or tube: valve
- a system that uses air, water, etc to stop an engine from becoming too hot: cooling system
- a device that is used for keeping an engine cool: radiator

3 power for a machine
- what is needed to make machines work: power (noun U), energy (noun U)
electrical power ◎ nuclear energy
- an engine or machine that uses a certain kind of fuel runs* on it, (used about large machines) is powered by it
My car runs on unleaded petrol. ◎ a nuclear-powered submarine
- (used about an engine or machine) having great power: powerful, high-powered
a high-powered sports car
- a measure of the power of an engine: horsepower (abbreviation hp)(plural horsepower)
a 20 horsepower engine
- the size of petrol engines is measured in litres or cubic centimetres (abbreviation cc)
a 2.0 litre engine
※ more on the power used by machines ELECTRICITY, FUEL

4 using a machine
- to make a machine work: work sth, operate sth
How do you work this thing? ◎ You can operate the television with the remote control.
- (used about a machine) to be in use: run*; to make a machine run: run* sth
The engine had been running for several minutes when it suddenly stopped. ◎ He ran the engine for a few minutes to warm it up.
- (used about a machine) to begin to work: start (up); to make an engine begin to work: start sth (up)
She pressed the button and the motor started up immediately. ◎ You start it by pressing this button.
- (used about a machine) to stop working: turn (itself) off, switch (itself) off; to make a machine stop working: turn sth off, switch sth off
It switches off automatically if it gets too hot. ◎ As soon as they saw that something was wrong, they turned off the machine. ◎ How do you switch this thing off?

5 working or not working well
- when a machine does what you want it to do, it works
'Has the lawnmower been fixed?' 'Yes, it's working well now.'
- if a machine is working properly, it is in order, in (good) working order
It is an old fridge, but it is in perfect working order.
- to stop working properly: break* down; a situation when a machine has stopped working properly: failure
We lost three days' production because one small piece of machinery broke down. ◎ an engine failure
- to start not working properly; to develop a problem: go* wrong
If it goes wrong within three months, we'll give you a complete refund.
- a machine that does not work properly is faulty, broken, out of order
The remote control seems to be faulty - it's not changing channels properly. ◎ The coffee machine is out of order.
- (used mainly about small machines and machines in the house) to cause a machine not to work properly: break* sth
I think I've broken your calculator/dishwasher/bicycle.
※ making a machine work well
- to adjust an engine or other machine so that it runs smoothly and efficiently: tune sth
- to put oil on or into sth to make it work smoothly: oil sth, lubricate sth
※ more on oil OIL
- repairing a machine REPAIR

6 knowing about machines
- a person whose work involves practical skills, especially in industry or science: technician
a laboratory technician
- a person whose job is to design, build or repair engines and other large machines: engineer
- the work which is done by an engineer: engineering (noun U)
electrical engineering ◎ mechanical engineering
- a person whose job is to work a particular machine or piece of equipment: operator
a computer operator
- a person whose job is to repair and work with machines and tools: mechanic
a car mechanic
- the scientific knowledge that is needed to invent machines and to make them work: technology (noun U); adjective: technological; a person who is an expert in technology: technologist
computer technology
- involving detailed knowledge of the machines, materials, systems, etc that are used in industry or science: technical (adverb technically)
※ MORE ...
- to put a machine or piece of equipment in place, so that it is ready to work: install sth
We are waiting to have our new cooker installed. ◎ How much will it cost to install the equipment?
- the use of machines, instead of people, to do work: automation (noun U); a process that is done or is controlled by machines, without needing people, is automated
Automation in the printing industry has led to the loss of a lot of jobs. ◎ The whole manufacturing process is now completely automated.
- a machine that can move and that can be made to do some of the work that a person does: robot
- to alter a process, etc so that machines do the work instead of people: mechanize sth
to mechanize agricultural production