Symbi*ot"ic*al

from The Collaborative International Dictionary of English v.0.48

Symbiotic \Sym`bi*ot"ic\ ([i^]m`b[i^]*[o^]t"[i^]k), a. [Gr.
   symbiwtiko`s.] (Biol.)
   Pertaining to, or characterized by, or living in, a state of
   symbiosis. -- {Sym`bi*ot"ic*al}, a. -- {Sym`bi*ot"ic*al*ly},
   adv.
   [Webster 1913 Suppl.]