mental acuteness, discernment, or insight
: a scholar of rare penetration.
the obtaining of a share of a market for some commodity
the extension, usually peaceful, of the influence of one nation or culture
into the affairs of another.
a military attack that penetrates
into enemy territory.
the depth to which
a projectile goes into the target.
the measure of relative depth of field of a telescope or microscope, especially a binocular microscope.
Origin: 1595–1605; Related forms
< Late Latin penetrātiōn-
(stem of penetrātiō
). See penetrate
2. understanding, perception, discrimination, depth, profundity.