Definitions

1. noun

A device for measuring temperature, especially one that indicates temperature by a pointer moving over a graduated dial.

“She turned up the thermo to 70 degrees to heat up the room.”

2. noun

A thermos or vacuum flask, a container for keeping liquids hot or cold.

“He poured himself a cup of coffee from the thermo in the car.”

3. adjective

Relating to heat or temperature, especially in a way that involves the transfer of heat.

“The thermo properties of the material made it ideal for insulation.”

4. verb

To make hot or warm, especially by applying heat.

“She thermed the milk to 40 degrees for the baby’s formula.”