imaginary

Từ điển Oxford Learners Wordfinder Dictionary

I - noun

(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
• Syn:
complex number, complex quantity, imaginary number
• Topics:
mathematics, math, maths
• Hypernyms:
number
• Hyponyms:
complex conjugate, real number, real, pure imaginary number
• Part Meronyms:
imaginary part, imaginary part of a complex number

II - adjective

not based on fact;
unreal (Freq. 7)
- "the falsehood about some fanciful secret treaties"- F.D.Roosevelt
- a small child's imaginary friends
- to create a notional world for oneself
• Syn:
fanciful, notional
• Similar to:
unreal

• Từ đồng nghĩa / Synonyms:
  fanciful, notional, complex number, complex quantity, imaginary number