(n): a movement into or inward
(n): entrance by force or without permission or welcome
(n): the act of entering
(n): the forcing of molten rock into fissures or between strata of an earlier rock formation
(n): (geology) a natural process whereby geological features are modified
(n): rock produced by an intrusive process
(n): a lump or mass of hard consolidated mineral matter
(n): entry to another's property without right or permission
(n): activity that transgresses moral or civil law