Dictionary

thermometer

noun ther·mom·e·ter \thə(r)-ˈmä-mə-tər\

: an instrument used for measuring temperature

Full Definition of THERMOMETER

:  an instrument for determining temperature; especially :  one consisting 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 \ˌthər-mə-ˈme-trik\ adjective
ther·mo·met·ri·cal·ly \-tri-k(ə-)lē\ adverb

Examples of THERMOMETER

  1. The thermomemeter says it's almost 80 degrees outside, but it doesn't feel that hot.

Origin of THERMOMETER

French thermomètre, from Greek thermē heat + French -o- + -mètre -meter — more at therm
First Known Use: 1633
THERMOMETRIC Defined for Kids

thermometer

noun ther·mom·e·ter \thər-ˈmä-mə-tər, thə-ˈmä-\

Definition of THERMOMETER for Kids

:  an instrument for measuring temperature

Word Root of THERMOMETER

The Greek word metron, meaning measure, gives us the root metr. Words from the Greek metron have something to do with measuring. A thermometer is an instrument that measures temperature. A diameter is the measurement across the center of a circle. The metric system is a system used for measuring size, weight, and volume. A perimeter is the measurement of the outside of a figure or shape.
Medical Dictionary

thermometer

noun ther·mom·e·ter \thə(r)-ˈmäm-ət-ər\

Medical Definition of THERMOMETER

:  an instrument for determining temperature that usually consists either of a device providing a digital readout or 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

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