im ‧ preg ‧ nate /ˈɪmpreɡneɪt $ ɪmˈpreɡ-/ BrE AmE verb [transitive]
[ Date: 1600-1700 ; Language: Late Latin ; Origin: past participle of impraegnare , from Latin praegnas ; ⇨ ↑ pregnant ]
1 . to make a substance spread completely through something, or to spread completely through something
impregnate something with something
The mats have to be impregnated with disinfectant.
2 . technical to make a woman or female animal ↑ pregnant