إنجليزي

imaginary

gb/ɪmˈæd͡ʒɪnˌɛɹi/ us/ɪmˈæd͡ʒɪnˌɛɹi/
B1 إنجليزي
~ 5700
المعاني
0 معنى
adjective B1 property
1

not real, only in the mind

Not real; only in your mind, not in the real world.

نمط الاستخدام: an imaginary [thing/person/place]
غلطة شائعة:
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.
مرادفات
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.)
أضداد
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.)
تراكيب شائعة
imaginary friend |imaginary world |purely imaginary |imaginary line |imaginary scenario |largely imaginary
مواضيع
thinking |perception |emotions |core_vocabulary
أمثلة
  • As a child, she had an imaginary friend who went everywhere with her.
  • The danger he described was mostly imaginary, not something we really needed to worry about.
  • The story takes place in an imaginary city somewhere in the Pacific.
  • He lives in an imaginary world where nothing ever goes wrong.
أمثلة للمتعلمين
  • Many children talk to an imaginary friend.
  • The monster under the bed is imaginary.
  • She wrote a story about an imaginary country.
  • His fears about losing his job were mostly imaginary.
adjective technical C1 property
2

mathematical, involving √−1

In math, used about numbers that include the special value √−1, called i, and are not real numbers.

نمط الاستخدام: an imaginary [number/part/unit]
غلطة شائعة:
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.
مرادفات
non-real (Technical term in mathematics meaning not a real number; often used together with "imaginary" when classifying numbers.)
أضداد
real (In mathematics, refers to numbers on the real number line, contrasted with imaginary numbers.)
تراكيب شائعة
imaginary number |imaginary unit |imaginary part |imaginary axis |imaginary component
مواضيع
mathematics |science |education
أمثلة
  • In this equation, x is a real number and y is an imaginary number.
  • Every complex number can be written as a real part plus an imaginary part.
  • The imaginary unit, usually written as i, is defined as the square root of minus one.
أمثلة للمتعلمين
  • In algebra class we learned about imaginary numbers.
  • A complex number has a real part and an imaginary part.
  • The symbol i is used for the imaginary unit.
اسم technical C2 entity
3

an imaginary number in math

In math, an "imaginary" is a number that is a real number times √−1.

نمط الاستخدام: an imaginary
مرادفات
imaginary number (More explicit and more common in modern textbooks; "imaginary" as a noun is shorter and used in some technical writing.)
أضداد
real number (A number that is not imaginary; lies on the continuous number line.)
تراكيب شائعة
a pure imaginary |positive imaginary |negative imaginary |imaginaries and reals
مواضيع
mathematics |science |education
أمثلة
  • In this context, z is a pure imaginary, with no real part.
  • The solution of the equation is not a real number but an imaginary.
  • Engineers often work with imaginaries when analyzing alternating current circuits.
أمثلة للمتعلمين
  • The answer is not a real number; it is an imaginary.
  • In higher math, students learn about reals and imaginaries.
  • This equation has two solutions, both of them imaginaries.
القواعد
الصيغة المعجمية
imaginary
IPA
GB/ɪmˈæd͡ʒɪnˌɛɹi/
US/ɪmˈæd͡ʒɪnˌɛɹi/
المقاطع والنبر
ima - gin - ary (٣ مقاطع)
Stress on 2nd syllable (gin)
تصريفات الكلمة
Adjective
  • Base: imaginary
Noun
  • Base: imaginary
  • Plural: imaginaries
عيلة الكلمة
Forms
imaginaries noun
Core family
imagine verb A2 imagination noun B1 imaginative adjective B2
Related words
imaginable adjective imaginatively adverb
Negative and opposite forms
unimaginable adjective C1 unimaginative adjective
تعبيرات

imaginary friend

1
/ɪmˈæd͡ʒɪnˌɛɹi fɹˈɛnd/
fixed phrase

a made-up friend in the mind

A friend that someone, especially a child, makes up in their mind and talks or plays with as if the friend is real.

أمثلة
  • Their daughter talks to her imaginary friend every night before bed.
  • As a child, I had an imaginary friend who went on adventures with me.

imaginary line

1
/ɪmˈæd͡ʒɪnˌɛɹi lˈaɪn/
fixed phrase

a non-physical dividing line

A line that people talk about for maps, borders, or explanations, but that you cannot see or touch in the real world.

أمثلة
  • The equator is an imaginary line around the middle of the Earth.
  • There is an imaginary line between work and home that he tries not to cross with his problems.

imaginary number

1
/ɪmˈæd͡ʒɪnˌɛɹi nˈʌmbɚ/
fixed phrase technical

number involving √−1 in math

In math, a number that is a real number times √−1, written with the symbol i.

أمثلة
  • The equation x² + 1 = 0 has two imaginary numbers as solutions.
  • Imaginary numbers are used together with real numbers to form complex numbers.

purely imaginary

1
/pjˈʊɹli ɪmˈæd͡ʒɪnˌɛɹi/
fixed phrase technical

complex number with no real part

In math, used for a complex number that has no real part, only an imaginary part.

أمثلة
  • If the real part is zero, the complex number is purely imaginary.
  • The solutions to this equation are purely imaginary and lie on the vertical axis of the complex plane.

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