transcription, транскрипция: [ ɪlu:ʒ(ə)n ]
( illusions)
1.
An illusion is a false idea or belief.
No one really has any illusions about winning the war.
= delusion
N-VAR : oft N that , N of n / -ing
2.
An illusion is something that appears to exist or be a particular thing but does not actually exist or is in reality something else.
Floor-to-ceiling windows can give the illusion of extra height...
N-COUNT : oft N of n / -ing