obsidian
Definition of obsidian
ob`sid´i`an
n.
1.
(Min.)
A
kind
of
glass
produced
by
volcanoes
.
It
is
usually
of
a
black
color
,
and
opaque
,
except
in
thin
splinters
.
Related Words
volcanic
glass
Word:
Browse
Observant
Observantine
Observantly
Observation
Observation car
Observation deck
Observation post
Observational
Observative
Observator
Observatory
Observe
observed
Observer
Observership
Observing
obsess
obsessed
Obsession
obsessional
-obsidian-
Obsidional
Obsidional crown
Obsigillation
Obsign
Obsignate
Obsignation
Obsignatory
Obsolesce
Obsolescence
Obsolescent
Obsolete
Obsoletely
Obsoleteness
Obsoletism
Obstacle
Obstancy
Obstetric
Obstetrical toad
Obstetricate
Obstetrication
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