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Webster 1913 Edition

Adj.

Brought forth prematurely.

(Biol.)

Rendered abortive or sterile; undeveloped; checked in normal development at a very early stage;

as, spines are

aborted

branches

The eyes of the cirripeds are more or less

aborted

in their mature state.

Owen.

aborted ‎(not comparable)

Brought forth prematurely.
Checked in normal development at an early stage.
Spines are aborted branches.‎
(biology) Rendered abortive or sterile; undeveloped.
"The eyes of the cirripeds are more or less aborted in their mature state." -Richard Owen.

brought forth prematurely

checked in development at an early stage

rendered abortive or sterile

aborted