mercury thermometer


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Related to mercury thermometer: clinical thermometer

mercury thermometer

Etymology: L, Mercurius, mythic messenger of the gods; Gk, thermē, heat, metron, measure
a thermometer in which the expandable indicator is mercury. Mercury thermometers are not commonly used in current clinical practice and have been largely replaced by digital, chemical dot, and infrared thermometers.

mercury thermometer

A thermometer containing mercury for measurement of temperature. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of rivers, streams, and aquatic life.
See also: thermometer
References in periodicals archive ?
Accuracy of decisions compared with mercury thermometer axillary readings (all subjects) Thermometer Total subjects No.
Residents brought their wrapped mercury thermometers to five libraries for disposal and exchange.
In the July 2001 issue of Pediatrics, the American Academy of Pediatrics (AAP) issued a policy statement about the health hazards of environmental mercury, and urged physicians and parents to stop using mercury thermometers and to dispose of them properly.
Formerly a medicine-cabinet staple, these mercury thermometers have lately been ruled a public health hazard.
While the dial thermometer can withstand some rough handling, the mercury thermometer is fragile and should be protected by keeping it in an armored case.
1686 Birth of Gabriel Daniel Fahrenheit,German physicist who invented the mercury thermometer 1819 Queen Victoria was born at Kensington Palace 1862 London's Westminster Bridge opened 1916 Conscription began in Britain 1941 The German battleship Bismarck sank HMS Hood off Greenland with the loss of more than 1,400 lives 1969 The Black And White Minstrel Show,at London's Victoria Palace, closed after 4,354performances in seven years 1978 Princess Margaret's 18-year marriage to Lord Snowdon was ended by a special procedure divorce
By comparison, a mercury thermometer contains 1,000 milligrams, or 1 gram of mercury.
Among the market segments, the digital thermometer segment led the market with a revenue contribution of about 47 per cent in 2007, followed by the mercury thermometer segment, which contributed 35 per cent.
By contrast, a mercury thermometer contains 500 milligrams of mercury.
PORTLAND - A new study shows that as much as five tons of mercury enters the Oregon environment every year, more than if every Oregonian cracked open a mercury thermometer and let the toxic metal flow onto the ground.
She used her last lifeline by phoning a friend to ask who invented the mercury thermometer, a question worth pounds 16,000.
To read a mercury thermometer, hold it between your finger and thumb and turn until you can see the point on the scale.