A liquid-in-glass thermometer, as used to measure temperature. Depicted at various angles with a red liquid risen from the bulb to various levels on the scale. Commonly used for content concerning high temperatures, including warm weather, illness (having a fever), and various slang senses of hot.
📅 Thermometer was approved as part of Unicode 7.0 in 2014
and added to Emoji 1.0 in 2015.