thermoscope

Term: thermoscope

 Literally meaning: “that which observes the temprature”

Origin: Anc Greek

θερμός/thermos(=warm) >θέρω/thero(=to warm, to heat)

+ σκοπέω/scopeo(=aim, look at, observe)

Coined/History

The Italian physicist and astromer Galileo Galilei (1564-1642) invented in 1597 a  water thermoscope.

Definition

The thermoscope was the early type of the thermometer which contained a liquid sensitive to temperature changes without a numerical scale.