protean

adj

1. Exceedingly variable; readily assuming different shapes or forms.

   “An amoeba is a protean animalcule.”

   “Virus infection of the blood and bone marrow is probably responsible for all forms of the disease. The viral theory of origin accounts for the protean manifestations of the condition.”

   “[…] the word's protean expressiveness has been observed in a xeroxlore item printed in Robert Anton Wilson's Playboy's Book of Forbidden Words […]”

   “Nickolas Ashford and Valerie Simpson, that protean creative duo, have worn many faces and played many roles over the years.”

   “He loved to show off his protean talent.”

2. (alt-of)Alternative letter-case form of Protean: of or relating to Proteus.
3. Of or relating to the god Proteus in Greek mythology.
4. Of or relating to the irregular Neptunian moon named for Proteus.

noun

1. A protein that has been slightly modified by water, dilute acid, or enzymes, but not modified to the extent of a metaprotein.