astroit
English
Etymology
From
Ancient Greek
ἄστρον
(
ástron
)
(“star”).
Noun
astroit
(
plural
astroits
)
(
obsolete
)
(
rare
)
A
starstone
.
(
rare
)
A
species
of
petrified
madrepore
, often found in
calcareous
stones
.