theory

US /ˈθɪr.i/
UK /ˈθɪr.i/
"theory" picture
1.

نظرية, فرضية

a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

:
The scientist proposed a new theory about the origin of the universe.
اقترح العالم نظرية جديدة حول أصل الكون.
His theory on human behavior is widely accepted.
نظريته حول السلوك البشري مقبولة على نطاق واسع.
2.

نظرية, مبادئ

a set of principles on which the practice of an activity is based.

:
He studied music theory for many years.
درس نظرية الموسيقى لسنوات عديدة.
The course covers both the theory and practice of teaching.
تغطي الدورة كلاً من نظرية وممارسة التدريس.
3.

نظرية, فكرة

an idea used to account for a situation or justify a course of action.

:
My theory is that he's trying to avoid us.
نظريتي هي أنه يحاول تجنبنا.
It's just a theory, but it makes sense.
إنها مجرد نظرية، لكنها منطقية.