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1
English
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1.1
Noun
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vacuum activity
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From Wiktionary, the free dictionary
English
[
edit
]
English
Wikipedia
has an article on:
vacuum activity
Wikipedia
Noun
[
edit
]
vacuum
activity
(
plural
vacuum activities
)
An
innate
fixed action pattern
of
animal
behavior
that is performed in the
absence
of the usual
releaser
.
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