aborted

CIDE DICTIONARY

aborted, a.

Brought forth prematurely. [1913 Webster]
Rendered abortive or sterile; undeveloped; checked in normal development at a very early stage; as, spines are aborted branches. [1913 Webster]
stopped prior to normal completion. [PJC]
"The eyes of the cirripeds are more or less aborted in their mature state." [1913 Webster]