Theory 504 Absolutely Essential Words Lesson 4
Theory 504 Absolutely Essential Words Lesson 4
/ˈθɪə.ri/ (noun)
an assumption or abstract thought that has not been scientifically proven, contemplation, speculated idea, conjecture, hypothesis, model, notion, belief, presumption, thesis, postulation, proposition, supposition, premise, guess – rules and techniques, philosophy, scheme
In 1905, Albert Einstein determined that the laws of physics are the same for all non-accelerating observers, and that the speed of light in a vacuum was independent of the motion of all observers. This was the theory of special relativity. It introduced a new framework for all of physics and proposed new concepts of space and time.
Source: https://www.space.com/
Antonyms: fact, practice
Adjective: theoretical
Adverb: theoretically
Noun: theorist
Noun: theoretician
Verb: theorize
