Define thermometer and degree

Thermometer ⇒ It's a device that calculates temperatures or the temperature ramp (((Gradient)))

Degree⇒ The unit of the temperatures

A thermometer is a tool that measures temperature - how hot or cold something is ... Made up of thermo (heat) and meter (measuring device), the meaning of the word thermometer is pretty straightforward. Thermometers measure temperatures in degrees, according to either the Celsius or Fahrenheit system.