A glass [[thermometer]] that uses the contraction and expansion of a trapped liquid, such as alcohol or mercury, to measure temperature.

h4. See also

* [[Digital thermometer]]

h4. External links

* "Wikipedia - Alcohol thermometer":[https://en.wikipedia.org/wiki/Alcohol_thermometer]
* "Wikipedia - Mercury-in-glass thermometer":[https://en.wikipedia.org/wiki/Mercury-in-glass_thermometer]
liquid-in-glass thermometer