Vzorec užití:
an imaginary [thing/person/place]
As a child, she had an imaginary friend who went everywhere with her.
Gyerekkorában volt egy képzeletbeli barátja, aki mindenhova elkísérte.
The danger he described was mostly imaginary, not something we really needed to worry about.
Az általa leírt veszély nagyrészt csak képzelt volt, nem olyasmi, ami miatt valóban aggódnunk kellett volna.
The story takes place in an imaginary city somewhere in the Pacific.
He lives in an imaginary world where nothing ever goes wrong.
Učební příklady
Many children talk to an imaginary friend.
Sok gyerek beszélget a képzeletbeli barátjával.
The monster under the bed is imaginary.
Az ágy alatti szörny csak képzeletbeli.
She wrote a story about an imaginary country.
His fears about losing his job were mostly imaginary.
Častá chyba:
Learners often confuse "imaginary" with "imaginative". "Imaginary" means not real and only in the mind, while "imaginative" describes a person who has a lot of creative ideas.
Význam
not real, only in the mind
Kolokace
imaginary friend
|imaginary world
|purely imaginary
|imaginary line
|imaginary scenario
|largely imaginary
Synonyma
fictional (Often used for invented characters or stories in books, films, or games.)
|
unreal (Can mean not real in fact, but sometimes focuses more on something seeming strange or unbelievable.)
Antonyma
real (Emphasizes actual existence in the world, not just in the mind.)
|
actual (Stresses that something truly exists or happened, not just in thought or description.)
Témata
thinking
|perception
|emotions
|core_vocabulary
Definice
Not real; only in your mind, not in the real world.
Existing only in the mind and not actually present or real in the external world.
Vzorec užití:
an imaginary [number/part/unit]
In this equation, x is a real number and y is an imaginary number.
Ebben az egyenletben x valós szám, y pedig képzetes szám.
Every complex number can be written as a real part plus an imaginary part.
Minden komplex szám felírható egy valós rész és egy képzetes rész összegeként.
The imaginary unit, usually written as i, is defined as the square root of minus one.
Učební příklady
In algebra class we learned about imaginary numbers.
Az algebraórán képzetes számokról tanultunk.
A complex number has a real part and an imaginary part.
Egy komplex számnak van valós része és képzetes része.
The symbol i is used for the imaginary unit.
Častá chyba:
Learners sometimes think "imaginary" in math means the numbers are "fake" or "not important". In fact, imaginary numbers are well-defined and very important in higher mathematics, physics, and engineering.
Význam
mathematical, involving √−1
Kolokace
imaginary number
|imaginary unit
|imaginary part
|imaginary axis
|imaginary component
Synonyma
non-real (Technical term in mathematics meaning not a real number; often used together with "imaginary" when classifying numbers.)
Antonyma
real (In mathematics, refers to numbers on the real number line, contrasted with imaginary numbers.)
Témata
mathematics
|science
|education
Definice
In math, used about numbers that include the special value √−1, called i, and are not real numbers.
In mathematics, involving or containing a multiple of the square root of minus one, usually represented by the symbol i in complex numbers.
PODSTATNÉ JMÉNO
C2
TECHNICAL
3
Vzorec užití:
an imaginary
In this context, z is a pure imaginary, with no real part.
Ebben az összefüggésben z tisztán képzetes szám, nincs valós része.
The solution of the equation is not a real number but an imaginary.
Az egyenlet megoldása nem valós szám, hanem képzetes szám.
Engineers often work with imaginaries when analyzing alternating current circuits.
Učební příklady
The answer is not a real number; it is an imaginary.
A válasz nem valós szám, hanem képzetes szám.
In higher math, students learn about reals and imaginaries.
Felsőbb matematikában a diákok valós és képzetes számokról tanulnak.
This equation has two solutions, both of them imaginaries.
Význam
an imaginary number in math
Kolokace
a pure imaginary
|positive imaginary
|negative imaginary
|imaginaries and reals
Synonyma
imaginary number (More explicit and more common in modern textbooks; "imaginary" as a noun is shorter and used in some technical writing.)
Antonyma
real number (A number that is not imaginary; lies on the continuous number line.)
Témata
mathematics
|science
|education
Definice
In math, an "imaginary" is a number that is a real number times √−1.
A number that can be written as a real number multiplied by the square root of minus one; an imaginary number.