from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or concerned with phenomena, such as linguistic features, as they change through time.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Occurring or changing along with time.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. used of the study of a phenomenon (especially language) as it changes through time
From dia- + Greek khronos, time.(American Heritage® Dictionary of the English Language, Fourth Edition)
From dia- + chronic. (Wiktionary)