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Strongish
Strongly
strongly connected component
strongly typed
strongman
strongroom
Strongylid
Strongylodon
Strongylodon macrobotrys
Strongyloid
Strontia
Strontian
Strontianite
Strontic
Strontitic
Strontium
-- strontium 90 --
Strook
Stroot
Strop
strophanthin
Strophanthus
Strophanthus kombe
Stropharia
Stropharia ambigua
Stropharia hornemannii
Stropharia rugoso-annulata
Strophariaceae
Strophe
Strophic
Strophiolate
Strophiole
Strophulus
strontium 90
Noun
1.
strontium 90
-
a
radioactive
isotope
of
strontium
(
with
the
mass
number
90)
that
is
present
in
the
fallout
from
nuclear
explosions
;
can
be
assimilated
like
calcium
into
bones
atomic
number
38
,
Sr
,
strontium
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