theory of relativity
Word Rarity
Rare
Frequency: Zipf frequency 3.33 in modern English
33
Scrabble Score
18
Letters
7
Syllables
11
Unique Chars
Meaning
noun
The theories of special relativity and general relativity, two theories in physics developed mainly by Albert Einstein at the beginning of the 20th century from which several important results such as the equivalence of matter and energy and the Einstein field equations are derived.