Open English Wordnet
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Nouns
(n)
complex number
,
complex quantity
,
imaginary number
,
imaginary
(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
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Adjectives
(s)
fanciful
,
imaginary
,
notional
not based on fact; existing only in the imagination
“the falsehood about some fanciful secret treaties” (F.D.Roosevelt)
,
“a small child's imaginary friends”
,
“to create a notional world for oneself”
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