Definify.com
Webster 1913 Edition
Inclusion
1.
The act of including, or the state of being included; limitation; restriction;
as, the lines of
. inclusion
of his policySir W. Temple.
3.
(Min.)
A foreign substance, either liquid or solid, usually of minute size, inclosed in the mass of a mineral.
Webster 1828 Edition
Inclusion
INCLU'SION
,Noun.