An instrument for measuring and indicating temperature, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury or alcohol which extends along the tube as it expands.
‘Narrow-range mercury thermometers were used to measure sand surface temperature.’
‘Glass thermometers are suitable for measuring temperature at the Earth's surface but would be impractical at higher levels.’
‘Digital thermometers and alcohol-filled glass models are just as accurate as mercury ones, and many hospitals are already making the switch.’
‘It can take anywhere from four to eight hours to smoke meat or poultry, so it's imperative to use thermometers to monitor temperatures.’
‘Ideally you should use a meat thermometer to monitor the temperature as you cook.’
‘Joule also invented extremely precise thermometers, which could measure temperature changes to within fractions of a degree Fahrenheit.’
‘While walking, each participant also had a rectal thermometer in place to measure core temperature.’
‘Air temperature was recorded every hour using a mercury thermometer.’
‘But, I do not know how high the thermometers and other sensors should be placed off the ground.’
‘Take the person's temperature with a thermometer that has been shaken to its lowest point.’
‘After checking the time, he took out the thermometer and studied the temperature.’
‘She checked the temperature on the thermometer and wrote something down on the clip board.’
‘Show your child how to use a simple thermometer to take the temperature of the water.’
‘Some states have banned the use of mercury thermometers as a first step toward phasing out the use of this toxic metal altogether.’
‘Another option is a digital aural thermometer that measures the temperature in the ear.’
‘Formerly a medicine-cabinet staple, these mercury thermometers have lately been ruled a public health hazard.’
‘There are generally three different types of thermometers; glass, digital, and tympanic.’
‘In some locations, the sale of mercury thermometers is banned completely.’
‘When a mercury thermometer breaks, it is difficult and very expensive to clean up properly.’
‘All you need is a mercury thermometer, which you keep by your bed.’
Origen
Mid 17th century from French thermomètre or modern Latin thermometrum, from thermo- ‘of heat’ + -metrum ‘measure’.
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