What is Room Temperature? Meaning and Ideal Range

Meaning 1：room temperature (Room temperature)

Room temperature 🔊

/ruːm ˈtɛmpərətʃər/

The comfortable temperature inside a building, usually between 20-25°C.

room temperature 🔊

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/ruːm ˈtɛmpərətʃər/

The comfortable indoor temperature range between 20°C and 25°C (68°F–77°F) considered suitable for normal human activity.

📁 Category：Buildings & Places 🔖 Level：Beginner

📘 Details & Usage

📖 Root Explanation

Room (OE 'rum') + Temperature (L 'temperatura') = indoor climate.

💡 Mnemonic

Imagine a thermometer in your living room showing 22°C – that's perfect room temperature.

📖 Example

For the best flavor, take the red wine out of the fridge an hour before serving to let it reach room temperature. 🔊 To achieve the best taste, remove the red wine from the refrigerator one hour before serving so it can warm to room temperature.

🔗 Collocations

at room temperature – kept at normal indoor temperature

room temperature butter – butter that has softened at ambient temperature

room temperature water – water that is neither hot nor cold

🔄 Synonyms

ambient temperature (n.) – The temperature of the surrounding environment.

indoor temperature (n.) – The temperature inside a building.

🚫 Antonyms

extreme heat (n.) – Very high temperature far above room temperature.

freezing cold (n.) – Temperature below 0°C, far below room temperature.

🌱 Derivatives

room-temperature (adj.) – At room temperature, e.g., room-temperature butter.

📖 Cultural Story

In the 18th century, 'room temperature' became a standard reference in chemistry. Typically 20–25°C, it is used globally for experiments and food storage.