English Language
WordTools.ai
BETA
meaning
in a sentence
phrases
associations
synonyms
Sentences with phrase «sharp volcanic glass»
Not exact matches
Obsidian, naturally occurring
volcanic
glass
, is smooth, hard, and far
sharper
than a surgical scalpel when fractured, making it a highly desirable raw material for crafting stone tools for almost all of human history.
https://www.sciencedaily.com/
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z