Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
This concept, known as, was developed in the 1980s, primarily by the physicists Alan Guth, Andrei Lind and Paul Steinhardt.
Source: https://www.discovermagazine.com/the-sciences/how-did-the-universe-begin