impregnant

Etymology 1
From.

Adjective

 * 1)  Not pregnant; unfertilized or infertile.

Etymology 2
From.

Noun

 * 1)  That which impregnates.
 * 2) that which is impregnated
 * The impregnation of reinforced and prestressed concrete highway structures using hydrophobic pore-lining impregnants.
 * The impregnation of reinforced and prestressed concrete highway structures using hydrophobic pore-lining impregnants.