Definify.com

Webster 1913 Edition

Adj.

Capable of being expelled or driven out.

“Expellable by heat.”

Kirwan.

Adj.

That may be expelled or driven out.

Acid expellable by heat.

expellable ‎(not comparable)

Capable of being expelled or driven out.
(Can we find and add a quotation of Kirwan to this entry?)