Advertisement

penetration (n.)

early 15c., penetracioun, "a puncture, a penetrating wound," from Latin penetrationem (nominative penetratio) "a penetrating or piercing," noun of action from past-participle stem of penetrare "to put or get into, enter into" (see penetrate). From c. 1600 as "insight, discernment, shrewdness;"  the sexual sense is attested from 1610s; meaning "act of penetrating or piercing" is from 1620s; in optics, by 1799.

Others are reading

Advertisement
Definitions of penetration from WordNet

penetration (n.)
an attack that penetrates into enemy territory;
Synonyms: incursion
penetration (n.)
clear or deep perception of a situation;
Synonyms: insight
penetration (n.)
the act of entering into or through something;
the penetration of upper management by women
penetration (n.)
the ability to make way into or through something;
the greater penetration of the new projectiles will result in greater injuries
penetration (n.)
the depth to which something penetrates (especially the depth reached by a projectile that hits a target);
penetration (n.)
the act (by a man) of inserting his penis into the vagina of a woman;
From wordnet.princeton.edu