Definition of intrusive
2a
: projecting inward
an intrusive arm of the sea
b(1)
of a rock
: having been forced while in a plastic state into cavities or between layers
(2)
: plutonic
3
: having nothing that corresponds to a sound or letter in orthography or etymon
intrusive \t\ in \ˈmints\ for mince
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Merriam-Webster unabridged
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Time Traveler for intrusive
The first known use of intrusive was in the 15th century
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