irestone
English
Etymology
From
iron
+
stone
. Compare
ironstone
.
Noun
irestone
(
plural
irestones
)
(
archaic
,
UK
,
mining
)
Any very
hard
rock
.
References
“
irestone
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.
Anagrams
oneriest
,
serotine