Meaning of THERMOMETER in English

/ θəˈmɒmɪtə(r); NAmE θərˈmɑːm-/ noun

an instrument used for measuring the temperature of the air, a person's body, etc. :

a thermometer reading

—picture at illness



mid 17th cent.: from French thermomètre or modern Latin thermometrum , from thermo- of heat + -metrum measure.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.