Englishfor English speakers
imaginary
Adjective
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If something is imaginary, it is not real. It is only exists in a person's mind.
Characters on films and television are imaginary people.
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If a number is imaginary, it is the square root of a negative number. Imaginary one is written as i.
zero
Determiner
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Zero is a count of nothing. It is often written 0.
One minus one is zero (1 - 1 = 0).
zero
Noun
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The symbol for the number zero, that is "0."
The new job added a zero to my pay, from $20,000 to $200,000.
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A person or thing that is worth nothing.
I'm not inviting him, he's total zero.
zero
Verb
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To zero is to make a small change to reset a piece of equipment.
I had to zero the counter on my tape player.
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To zero in is to make small changes that bring you closer to something.
I was able to zero in on the source of bad smell in the shed.