冷蔵庫
れいぞうこ
reizouko
= refrigerator; fridge
冷蔵庫 (reizouko) is one of those Japanese words that tells you exactly what it does: 冷 (cold) + 蔵 (store) + 庫 (warehouse). Every kanji pulls its weight, making this appliance’s name a mini-lesson in practical Japanese.
冷蔵庫 refers specifically to the refrigerator compartment that keeps food chilled but not frozen, typically at 0–10°C. It is distinct from 冷凍庫 (reitouko), which is the freezer section operating below 0°C. In casual speech, Japanese people often say 冷蔵庫 to mean the entire fridge unit — including its freezer drawer — but technically 冷蔵庫 describes only the chilled compartment. Modern Japanese refrigerators also feature a 野菜室 (yasaishitsu), a dedicated vegetable drawer with slightly higher humidity to keep produce fresh longer.
The most common mix-up for learners is confusing 冷蔵庫 (reizouko, fridge) with 冷凍庫 (reitouko, freezer). Notice that 蔵 vs 凍 is the key difference: 凍 (to freeze) appears in 凍る (kooru, to freeze solid). When shopping at a Japanese electronics store like Yodobashi Camera or Bic Camera, staff will ask about 容量 (youryou, capacity in liters) and whether you want a 製氷機能付き (seihyou kinou tsuki) model — one with a built-in ice maker.
冷 means “cold” or “to cool” and appears in words like 冷たい (tsumetai, cold to the touch) and 冷静 (reisei, calm/cool-headed). 蔵 means “to store” or “warehouse” — you see it in 冷蔵 (reizouk, refrigeration) and 蔵書 (zousho, book collection). 庫 means “storage building” and appears in 車庫 (shako, garage) and 金庫 (kinko, safe/vault). Together, 冷蔵庫 literally reads as “cold-storage building” — a perfectly transparent description of what a refrigerator does.
Everyday use
買ってきた野菜は全部冷蔵庫に入れておいてね。
Katte kita yasai wa zenbu reizouko ni irete oite ne.
Go ahead and put all the vegetables you bought in the fridge.
Casual / Social Media
冷蔵庫に何もない……今日は外食しようかな。
Reizouko ni nani mo nai…… kyou wa gaishoku shiyou kana.
There’s nothing in the fridge… maybe I’ll just eat out today.
Formal / Cultural context
この冷蔵庫は501リットルで、野菜室と製氷機能が付いています。
Kono reizouko wa go-hyaku-ichi rittoru de, yasaishitsu to seihyou kinou ga tsuite imasu.
This refrigerator is 501 liters and comes with a vegetable compartment and an ice-making function.
The 冷蔵庫 holds a special place in postwar Japanese history. During Japan’s high-growth era of the 1960s, the refrigerator became one of the so-called 三種の神器 (sanshu no jingi) — the “three sacred treasures” of the modern household, alongside the washing machine and black-and-white television. Owning a refrigerator symbolized joining the middle class, and by the early 1970s, refrigerator ownership had climbed to nearly universal levels across Japanese homes.
Japanese refrigerators today are engineered with a precision that reflects how central the appliance is to daily cooking culture. Multi-door designs with separate 野菜室 (vegetable drawers), 急速冷凍 (rapid-freeze) functions, and deodorizing filters are standard features rather than premium upgrades. Because Japanese kitchens are often compact, manufacturers compete intensely on slim profiles that maximize internal volume — a very different design philosophy from the wide, side-by-side styles common in North America.
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