a substance that flows freely and is not a solid or a gas, for example water or oil
liquid /ˈlɪkwɪd/
(noun) the scientific study of the sun, moon, stars, planets, etc.
astronomy /əˈstrɒnəmi/
(adj) (of a machine, system, etc.) clever and complicated in the way that it works or is presented
sophisticated /səˈfɪstɪkeɪtɪd/
(adj) not perfect; not working or made correctly
faulty /ˈfɔːlti/
the smallest unit of living matter that can exist on its own.
cell /sel/
(n) an important development that may lead to an agreement or achievement
breakthrough /ˈbreɪkθruː/
(u.n) the process of improving or developing, or of getting nearer to achieving or completing something
progress /ˈprəʊɡres/ /ˈprɑːɡres/
a thing that somebody has done successfully, especially using their own effort and skill
achievement
(adj) that can be trusted to do something well; that you can rely on
reliable /rɪˈlaɪəbl/
(n) a screen that shows information from a computer
a way of doing something, especially the usual or correct way
procedure /prəˈsiːdʒə(r)/