abiotrophy

abi·ot·ro·phy

noun \ˌā-(ˌ)bī-ˈä-trə-fē\

plural abi·ot·ro·phies

Definition of ABIOTROPHY

: degeneration or loss of function or vitality in an organism or in cells or tissues not due to any apparent injury <senile dementia and related abiotrophies—David Bowen>

—abio·tro·phic \ˌā-ˌbī-ō-ˈtrō-fik, -ˈträf-ik\ adjective