Englishfor English speakers
installation
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noun
(= installing)
the act of installing something (as equipment)
the telephone installation took only a few minutes
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noun
(= facility)
a building or place that provides a particular service or is used for a particular industry
the assembly plant is an enormous facility
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noun
(= initiation, induction)
a formal entry into an organization or position or office
his initiation into the club
he was ordered to report for induction into the army
he gave a speech as part of his installation into the hall of fame
AIDS
Noun
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AIDS is a disease which destroys the natural system of protection that the body has against other diseases.
The AIDS epidemic in the United States began in the 1980s.
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AIDS is an abbreviation for 'acquired immune deficiency syndrome'.