noun
puffed food; expanded food
Technical term used in food science and industry for foods that have been expanded by heat or pressure, such as puffed rice or extruded snacks.
膨化食品には、ポン菓子やシリアルなどが含まれる。
Puffed foods include things like puffed rice snacks and cereals.
Compound of 膨化 (expansion, puffing) and 食品 (food product).