The Collaborative International Dictionary
Impregnate \Im*preg"nate\ ([i^]m*pr[e^]g"n[=a]t), v. t. [imp. & p. p. Impregnated (-n[asl]*t[e^]d); p. pr. & vb. n. Impregnating (-n[asl]*t[i^]ng).] [LL. impraegnatus, p. p. of impraegnare to impregnate, fr. L. pref. im- in + praegnans pregnant. See Pregnant.]
To make pregnant; to cause to conceive; to render prolific; to get with child or young.
(Biol.) To come into contact with (an ovum or egg) so as to cause impregnation; to fertilize; to fecundate.
To infuse an active principle into; to render fruitful or fertile in any way; to fertilize; to imbue.
To infuse particles of another substance into; to communicate the quality of another to; to cause to be filled, imbued, mixed, or furnished (with something); as, to impregnate India rubber with sulphur; clothing impregnated with contagion; rock impregnated with ore.
Wiktionary
vb. (present participle of impregnate English)