einstein's special theory of relativity
Word Rarity
Rare
Frequency: Zipf frequency 2.74 in modern English
53
Scrabble Score
34
Letters
9
Syllables
15
Unique Chars
Meaning
n
a physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of physics are invariant in all inertial systems