Foods that can be stored for long periods (e.g., canned, dried, or retort-pouch foods), often used for disaster preparedness or stockpiles.
非常用に保存食を三日分用意しておくと安心だ。
It's reassuring to have three days' worth of emergency preserved food prepared.
キャンプには軽くて栄養のある保存食を持って行った。
I brought lightweight, nutritious preserved foods for the camping trip.
スーパーの長期保存食コーナーには缶詰や乾麺が並んでいる。
The supermarket's long-life food section has canned goods and dried noodles lined up.