Unit 18 Flashcards

1
Q

artificial (adj)

A

not natural or real, but made by people
There was a vase of artificial flowers on the table.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

automatic (adj)

A

an automatic machine can work by itself without being operated by people
It’s an automatic door.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

complicated (adj)

A

difficult to do, deal with, or understand
This is a complicated problem.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

decrease (v)

A

to become less
The number of visitors has decreased significantly.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

decrease (n)

A

the amount by which something is less
There’s been a decrease in the number of visitors.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

digital (adj)

A

storing information such as sound or pictures as numbers or electronic signals
It’s a digital recording.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

discover (v)

A

to find something that was hidden or that no one knew about before
William Herschel discovered Uranus in 1781.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

effect (n)

A

a change that is produced in one person or thing by another
Scientists are studying the chemical’s effect on the environment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

equipment (n)

A

the tools, machines, or other things that you need for a particular job or activity
A computer is the most important piece of equipment you will buy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

estimate (v)

A

to guess or calculate an amount or value by using available information
It is impossible to estimate how many of the residents were affected.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

exact (adj)

A

done, made, or described with all the details correct
The exact number of people there was unknown.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

experiment (v)

A

to perform scientific tests in order to find out what happens to someone or something in particular conditions
This lab does not experiment on animals.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

experiment (n)

A

a scientific test to find out what happens to someone or something in particular conditions
Researchers now need to do more experiments.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

gadget (n)

A

a small tool or piece of equipment that does something that is useful or impressive
That’s a very useful gadget!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

hardware (n)

A

computer equipment
Printers and modems are examples of hardware.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

invent (v)

A

to design or create something that did not exist before
Alfred Nobel invented dynamite.

17
Q

involve (v)

A

to include something as part of an activity, event, or situation
The course involves a lot of hard work.

18
Q

laboratory (n)

A

a building or large room where people do scientific research
This is our new research laboratory.

19
Q

lack (v)

A

to not have something, or to not have enough of something
He lacked the skills required for the job.

20
Q

lack (n)

A

a situation in which you do not have something, or do not have enough of something
The match was cancelled because of lack of support.

21
Q

laptop (n)

A

a small computer that you can carry with you
I’m going to buy a new laptop.

22
Q

maximum (adj)

A

the largest in amount, size, or number that is allowed or possible
The maximum amount of cash you can withdraw is €500.

23
Q

minimum (adj)

A

the smallest in amount, size, or number that is allowed or possible
What’s the minimum voting age in your country?

24
Q

operate (v)

A

if equipment operates, or if you operate it, you use or control it and it works in the way it should
Do not operate machinery after taking this medication.

25
Q

plastic (n)

A

a very common light, strong substance that is produced by a chemical process and used for making many different things
This pen is made of plastic.

26
Q

plastic (adj)

A

made of plastic
Have you got a plastic bag?

27
Q

program (v)

A

to make a computer or other piece of equipment do something automatically
Can you program the PC to come on in the morning?

28
Q

program (n)

A

a series of instructions that makes a computer do something
It’s a complicated computer program.

29
Q

research (n)

A

the detailed study of something in order to discover new facts
Scientists have carried out lots of research into the effects of these drugs.

30
Q

run (v)

A

if you run a computer program, or if it runs, you start it or use it
The software will run on any PC.

31
Q

screen (n)

A

the flat surface on a computer, television, or piece of electronic equipment where words and pictures are shown
Suddenly the screen went blank.

32
Q

software (n)

A

the programs used by computers for doing particular jobs
You log onto our website, then download and install the software.

33
Q

sudden (adj)

A

happening very quickly and without any sign that it is going to happen
She felt a sudden pain in her leg.

34
Q

technology (n)

A

advanced scientific knowledge that is used for practical purposes
Technology is improving all the time.

35
Q

unique (adj)

A

not the same as anything or anyone else
Every person is unique.