अर्थ : The earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago). No evidence of life.
समानार्थी : hadean, hadean aeon, hadean eon, hadean time, priscoan aeon, priscoan eon
Priscoan ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Priscoan ka matlab kya hota hai?