1.adjectival nouns or quasi-adjectives (keiyodoshi); noun (common) (futsuumeishi)
pop; popular; fashionable
2.adjectival nouns or quasi-adjectives (keiyodoshi)
pop-art-style
3.noun (common) (futsuumeishi); adjectival nouns or quasi-adjectives (keiyodoshi)
pop (music)
4.noun (common) (futsuumeishi); noun or participle which takes the aux. verb suru
pop (stack operation)