The kanji 冷 primarily conveys the idea of "cold" or "cool". It describes a temperature that is lower than what is considered comfortable or warm. It can also extend to mean "calm" or "unemotional" in a metaphorical sense, indicating a lack of warmth or strong feeling.

・On-yomi (音読み): レイ (rei) ・Kun-yomi (訓読み): つめ冷たい (tsume冷tai - cold), ひ冷える (hi冷eru - to cool down), さ冷ます (sa冷masu - to cool something down)

⚫︎冷たい水 Translation: Cold water ⚫︎冷蔵庫 (reizouko) Translation: Refrigerator ⚫︎冷たい態度 Translation: Cold attitude

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The kanji 冷 is a 形声文字 (keisei moji), a phono-semantic compound. It combines the radical 冫 (ni-sui, meaning "ice" or "cold") with 令 (rei, meaning "command" or "order", also used phonetically to indicate the sound). The 冫 radical provides the semantic element (indicating coldness), while 令 provides the phonetic element (the sound "rei"). The character evolved over time, solidifying its association with coldness and cooling.