libelluloid

from The Collaborative International Dictionary of English v.0.48

libelluloid \li*bel"lu*loid\ (l[-i]*b[e^]l"l[-u]*loid), a. [NL.
   Libellula, the name of the typical genus + -oid.] (Zool.)
   Like or pertaining to the dragon flies.
   [1913 Webster]