411 REFERENCE · Wiktionary
Leptolithic
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
leptolithic
English
Etymology
From en grc λεπτός thin, slender + the Greek for "rock" + grc -ικος -ic: forming adjectives.
Adjective
Upper Paleolithic.
Proper noun
the Leptolithic
The Upper Paleolithic.