IAMP meaning in General ?

Answer: What is Immaterial and Missing Power mean?

Touhou Suimusou ~ Immaterial and Missing Power. (Japanese: 東方萃夢想 ～ Immaterial and Missing Power., lit. "Gathering Dreams in the East"), commonly abbreviated as IaMP in English speaking circles, is a versus fighting game collaboratively developed by Twilight Frontier and Team Shanghai Alice released in 2004. It is the first spinoff in the Touhou series, and it is numbered as the 7.5th installment as the game's events place between Perfect Cherry Blossom (seventh) and Imperishable Night (eighth), although it was released after Imperishable Night. After the success of Immaterial and Missing Power, the game was followed up with Scarlet Weather Rhapsody in 2008, the first of several Touhou fighting game sequels.

reference

Full Form	Category
International Association of Mathematical Physics	Academic & Science
Inter agency Mobility Programme	Business
Illinois Association of Meat Processors	Community
Independent audio of the monterey peninsula	General
Immaterial and Missing Power	General
International Advanced Manufacturing Park	International
International Association of Managing Partners	International
International Association of Music Publishers	International
International Association for Military Pedagogy	International