mycoprotein

from The Collaborative International Dictionary of English v.0.48

Mycoprotein \My`co*pro"te*in\, n. [Gr. (spurious) my^kos mucus
   (L. mucus) + E. protein.] (Biol.)
   The protoplasmic matter of which bacteria are composed.
   [archaic]
   [1913 Webster]