Definition of Rugosa
Ru`go´sa
n. pl.
1.
(Paleon.)
An
extinct
tribe
of
fossil
corals
,
including
numerous
species
,
many
of
them
of
large
size
.
They
are
characteristic
of
the
Paleozoic
formations
.
The
radiating
septs
,
when
present
,
are
usually
in
multiples
of
four
.
See
Cyathophylloid
.
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Ruffleless
Rufflement
Ruffler
Rufigallic
Rufiopin
Rufol
Rufous
Ruft
Rufterhood
Rug
Rug gown
Rug-gowned
Rug-headed
Ruga
Rugate
Rugged
Rugging
Ruggy
Rugin
Rugine
Rugose
Rugosity
Rugous
Rugulose
Ruhmkorff's coil
Ruin
Ruinable
Ruinate
Ruination
Ruiner
Ruiniform
Ruinous
Rukh
Rulable
Rule
Rule joint
Rule of Coss
Rule of the road
Rule of three
Rule of thumb
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