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Theory 504 Absolutely Essential Words Lesson 4

Published on December 17th, 2020 | Last updated on December 17th, 2020 by | Category: 504 Absolutely Essential Words Flashcards, English Vocabulary in Context | No Comments on Theory 504 Absolutely Essential Words Lesson 4 | 71 Views | Reading Time: 1 minute

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

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