Wiktionary
chrononauts
n. (plural of chrononaut English)
Wikipedia
Chrononauts
Chrononauts is a family of card games that simulates popular fictional ideas about how time travellers might alter history, drawing on sources like Back to the Future and the short stories collection Travels Through Time. The game was designed by Andrew Looney and is published by Looney Labs. The original game and a variant each won the Origins Award for Best Traditional Card Game.
Usage examples of "chrononauts".
Although no one knew what they were, several theories had been advanced to explain the sightings, the most popular being that they themselves were chrononauts, yet from farther up the timestream.