noun
storeroom; stockroom
A room used for storing goods, supplies, or inventory. Often found in commercial, industrial, or institutional settings.
倉庫の隣に小さな貯蔵室がある。
There is a small storeroom next to the warehouse.
このビルには地下に貯蔵室が設けられている。
This building has a stockroom in the basement.
物置 is a general storage shed or closet, often for household items; 貯蔵室 implies a more dedicated storage room, often for supplies or inventory.
Compound of 貯蔵 (storage, preservation) and 室 (room).