Adjective
Stiff
,
rather
than
flexible
.
Noun
An
airship
whose
shape
is
maintained
solely
by
an
internal
and
/
or
external
rigid
structural
framework
,
without
using
internal
gas
pressure
to
stiffen
the
vehicle
(
the
lifting gas
is
at
atmospheric pressure
);
typically
also
equipped
with
multiple
redundant
gasbags
,
unlike
other
types
of
airship
.
Verb
to
stretch
,
to
distend