intrusion

nouns

any entry into an area not previously occupied
"an invasion of tourists"; "an invasion of locusts"
encroachment, intrusion, invasion
entrance by force or without permission or welcome
intrusion
is a type of (narrower)
the act of entering
"she made a grand entrance"
entering, entrance, entry, incoming, ingress
the forcing of molten rock into fissures or between strata of an earlier rock formation
intrusion
is a type of (narrower)
(geology) a natural process whereby geological features are modified
geologic process, geological process
rock produced by an intrusive process
intrusion
is a type of (narrower)
a lump or mass of hard consolidated mineral matter
"he threw a rock at me"
rock, stone
entry to another's property without right or permission
encroachment, intrusion, trespass, usurpation, violation
is derived from
intrude
is derived from
intrude