IRS

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Pronunciation

• (America) IPA: /ˈaɪ.ɑɹ.ɛs/

Proper noun

1. (US): Initialism of Internal Revenue Service

Noun

IRS (uncountable)

1. (aviation) Initialism of inertial reference system
2. (engineering) Initialism of

Synonyms

• INS (inertial navigation system)
• INU (inertial navigation unit)
• IRU (inertial reference unit)

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