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Webster's 1913 Dictionary
POLYTHALAMOUS
Pol
`y *thal "a *mous, a.
Etym:
[
Poly-
+
Gr.
(Zoöl.)
Defn: Many-chambered; --
applied
to
shells
of
Foraminifera
and
cephalopods.
See
Illust.
of
Nautilus.
The Wordsmith Dictionary
The Wordsmith Dictionary