Wiktionary
carbon-dated
vb. (en-past of: carbon-date)
Usage examples of "carbon-dated".
What consternation it would cause, to have such an obvious modern forgery that was undeniably written on ancient parchment, which could be carbon-dated to the ninth century.
Sten knew his body could have been carbon-dated before the screen suddenly cleared and ALL/UN blinked at him, then vanished.