THERMOMETER

[ther.mom.e.ter] n [F thermometre, fr. Gk therme heat + F -o- + -metre -meter--more at therm] (1633): an instrument for determining temperature consisting typically of a glass bulb attached to a fine tube of glass with a numbered scale and containing a liquid (as mercury or colored alcohol) that is sealed in and rises and falls with changes of temperature -- ther.mo.met.ric adj -- ther.mo.met.ri.cal.ly adv