Am I not in a foreign type of film? (9)

I believe the answer is:
animation
'type of film?' is the definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.
'am i not in a foreign' is the wordplay.
'foreign' indicates anagramming the letters (foreign order of the letters).
'am'+'i'+'not'+'in'+'a'='aminotina'
'aminotina' is an anagram of 'ANIMATION'.
Can you help me to learn more?
(Other definitions for animation that I've seen before include "Film technique; lively state" , "Art of cartoon making" , "Being full of energy" , "Liveliness and enthusiasm" , "Making of cartoons" .)
