nonshell
adjEtymology From non- + shell.
1
Not of or pertaining to shells.
- In both middens, the shell layers were underlaid and overlaid by nonshell cultural deposits.2002, Peter N. Peregrine, Melvin Ember, Encyclopedia of prehistory, Volume 3:
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.