IBU

from Wikipedia:

IBU is a three-letter initialism that may refer to:

Ibuprofen, sold by Par Pharmaceutical under the brand 'IBU'International Bitterness Units scale, a measure of the bitterness of beerInternational Biathlon Union, the international organisation for the sport of biathlonInternational Boxing Union (First Version), major boxing sanctioning body, founded 1913, became the European Boxing Union in 1946International Boxing Union (Second Version), minor boxing sanctioning body founded in 1996, unconnected with earlier versionInshore Boat Unit, a deployable force of 50-100 personnel of the United States Navy who engage in Naval Coastal WarfareInternational Burch University, a university in Sarajevo, Bosnia and HerzegovinaAncient Egyptian burial rituals and protocol "Tent of Purification" (ibu, old Egyptian: jbw oder jbw n w'b)

For the Subud figure "Ibu", see Siti Rahayu Wiryohudoyo.