IPA

1. abbreviationinitialismInitialism of International Phonetic Alphabet.

   However, beyond lexis, the Macmillan range includes other adaptations, such as IPA encoding which reflects Indian English pronunciation, and etymologies that distinguish between "tatsama" and "tadbhava" terms, based on McGregor (1992).

   2012, James Lambert, “Beyond Hobson-Jobson: A new lexicography for Indian English”, in World Englishes, page 297

   1 more example

   Those two proposals included a few retired and para-IPA letters, but consideration of historical and para-IPA modifiers was largely deferred until the IPA could more fully discuss the desired scope of such encoding through the newly established Alphabet, Charts and Fonts Committee. […] By ‘para-IPA,’ we mean symbols that are commonly used within IPA notation but that are not themselves part of the IPA alphabet.

   2024 June 6, Kirk Miller, “L2/24-171: Miscellaneous historical and para-IPA modifier letters”, in UTC Document Registry, page 1

2. abbreviationinitialismInitialism of International Phonetic Association.
3. abbreviationinitialismInitialism of International Police Association.

plural IPAs

1. abbreviationinitialismuncountablechemistryInitialism of isopropyl alcohol.
2. abbreviationinitialismuncountablechemistryInitialism of isophthalic acid.
3. abbreviationinitialismuncountablechemistryInitialism of isopropyl acetate.
4. abbreviationcountableinitialismbeerInitialism of India pale ale.

   Not bad for an amber or pale ale, but India pale ale, I don't think so. So why does Bass put IPA on the label?

   1998, Pete Slosberg, Beer for Pete's Sake: The Wicked Adventures of a Brewing Maverick, page 128

5. countablehuman sciencesA transcription written in the International Phonetic Alphabet.
6. countablecomputingA kind of archive containing a software package for certain Apple devices. Originally an initialism of iPhone Archive, later redefined as iOS App Store Package.