penetration
penetration (pen´
trā´shn),
penetration
[pen′ətrā′shən]
1 a piercing or entering.
2 intellectual discernment.
3 a stage in establishment of a viral infection in which the viral genetic material enters the host cell through fusion, phagocytosis, or injection.
penetration (pen´
trā´shn),n the ability of radiation to extend down into and go through substances. The degree of penetration is determined by the kilovoltage.
penetration
Managed care See HMO penetration Sexology Entrance of the penis into the vagina or anus. See Sexual penetration.
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