ARCHÆAN
Source: 567
Ar‐chæ″an (�), a. [[Gr. αρχαἰ̑οσ ancient, fr. αρχἤ beginning.]] Ancient; pertaining to the earliest period in geological history.
Source: 567
Ar‐chæ″an (�), a. [[Gr. αρχαἰ̑οσ ancient, fr. αρχἤ beginning.]] Ancient; pertaining to the earliest period in geological history.