Definition of "IPA"

IPA

/ˌaɪ.piːˈeɪ/

proper noun
1. Initialism of International Phonetic Alphabet.
  Quotations
  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
2. Initialism of International Phonetic Association.
3. Initialism of International Police Association.
noun
countable and uncountable, plural IPAs
1. (organic chemistry, uncountable) Initialism of isopropyl alcohol.
2. (organic chemistry, uncountable) Initialism of isophthalic acid.
3. (organic chemistry, uncountable) Initialism of isopropyl acetate.
4. (beer, countable) Initialism of India pale ale.
  Quotations
  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. (countable) Transcription written in the International Phonetic Alphabet.
6. An IPA file, or an iOS, iPadOS, watchOS, or tvOS app distributed via IPA files.