noun
definition
An apparatus used to measure temperature.
Examples of thermometer in a Sentence
The thermometer nailed to the porch read eighty-five degrees.
Warmth ran up her neck like a thermometer on a hot day.
There is no difficulty in observing the temperature of the surface of the sea on board ship, the only precautions required being to draw the water in a bucket which has not been heated in the sun in summer or exposed to frost in winter, to draw it well forward of any discharge pipes of the steamer, to place it in the shade on deck, insert the thermometer immediately and make the reading without delay.
The temperature drops so rapidly that a month later, about October the oth on the middle Urals and November the 15th throughout Russia, the thermometer ceases to rise above the freezing-point.
In the same way, whilst in the plains and hills round Naples snow is rarely seen, and never remains long, and the thermometer seldom descends to the freezing-point, 20 m.
In the districts bordering on the coast the thermometer seldom falls below 37°; and only for a few moments and at long intervals has it been known to rise as high as 105°.
In 1889, at Windsor, prizes were awarded for a fruit and vegetable evaporator, a paring and coring machine, a dairy thermometer, parcel post butter-boxes to carry different weights, and a vessel to contain preserved butter.
Carmen grabbed the thermometer from the counter and gave it to him.
The first is the slow-action thermometer which was originally used with good effect by de Saussure in the Mediterranean in 1780.
When brought up again the thermometer retained its temperature so long that there was ample time to take a correct reading.
The third form is the outflow or reversing thermometer, first introduced by Aime, who used a very inconvenient form in the Mediterranean in 1841-1845, but greatly improved and simplified by Negretti and Zambra in 1875.
Thus at high temperatures a helium thermometer is of no special advantage.
The earliest form of testing instrument employed for this purpose was that of Giuseppe Tagliabue of New York, which consists of a glass cup placed in a copper water bath heated by a spirit lamp. The cup is filled with the oil to be tested, a thermometer placed in it and heat applied, the temperatures being noted at which, on passing a lighted splinter of wood over the surface of the oil, a flash occurs, and after further heating, the oil ignites.
He covered the bulb of the thermometer with layers of non-conducting material and left it immersed at the desired depth for a very long time to enable it to take the temperature of its surroundings.
The mean winter reading of the thermometer is 54.7, and accompanied as this is by clear skies and an absence of snow, the season is both pleasant and invigorating.
The total quantity of liquid employed need not in general exceed half a litre if a sufficiently delicate thermometer is available.
To the establishment of this new conception the improvement and general use of the clinical thermometer gave invaluable advantages.
On the mainland, and more especially on the eastern slope, the temperature is cooler, the thermometer seldom rising above 93° in the shade, and falling at night below 70°.
By these, and other instruments of precision, such as the thermometer, of which we have already spok en, the eminently scientific discipline of the measurement of functional movements, so difficult in the complex science of biology, has been cultivated.
A fever is usually diagnosed using a thermometer.
Use a thermometer to monitor temperatures near the plant too.
Along the coast the weather is very mild, the thermometer rarely falling to freezing-point even in winter.
It comes with two oven racks and a thermometer, so it can be used to prepare a variety of dishes with ease.
The thermometer is placed so that the bulb is near the neck of the retort or the side tube of the distilling flask.
Magnaghi introduced a convenient method of inverting the thermometer by means of a propeller actuated on beginning to heave in the line, and this form is used for all work at great depths.
In both forms it is usual to have the space between the bulb and the protecting sheath partly filled with mercury or alcohol to act as a conductor and reduce the time necessary for the thermometer to acquire the temperature of its surroundings.
One of the indirect methods of investigating currents is by taking account of the initial temperature of the current and following it by the thermometer throughout its course; hence the familiar contrast between warm and cold currents, of which the Gulf Stream and the Labrador current are types.
During the cold season the thermometer at night falls below the freezing point; little or no hot wind is felt before the end of April, and even then it ceases after sunset.
However, the climate is so dry in eastern Washington that the " sensible " variations are much less than those recorded by the thermometer.
He experimented with an air-thermometer, in which the temperature was defined by measurement of the length of a column of mercury; and he pointed out that the extreme cold of such a thermometer would be that which reduced the "spring" of the air to nothing, thus being the first to recognize that the use of air as a thermometric substance led to the inference of the existence of a zero of temperature.
His invention of the proportional compass or sector - an implement still used in geometrical drawing - dates from 1597; and about the same time he constructed the first thermometer, consisting of a bulb and tube filled with air and water, and terminating in a vessel of water.
Use an appliance thermometer to check the temperature of your refrigerator and freezer.
Purchase an inexpensive wine thermometer to measure the wine's temperature.
You can also purchase an infrared thermometer that measures the wine's temperature through the bottle.
Sometimes the design of the watch also features some other embellishments that indicate a nursing career, such as a tiny thermometer.
Snow is often seen, and the thermometer is frequently below freezing-point.
In only seven of the thirty years, 1871-1900, was the thermometer observed to sink below the freezing-point; frost thus occurs in the island even on the low grounds, though never for more than a few hours.
Rowland Himself Considered His Results To Be Probably Correct To One Part In 500, And Supposed That The Greatest Uncertainty Lay In The Comparison Of The Scale Of His Mercury Thermometer With The Air Thermometer.
For This Reason The Definition Of The Thermal Unit Will In The End Probably Be Referred To A Scale Of Temperature Defined In Terms Of A Standard Platinum Thermometer.
At this height, with the thermometer marking 9 degrees below freezing, he remained for a considerable time, making observations not only on magnetism, but also on the temperature and humidity of the air, and collecting several samples of air at different heights.
To find out if your child has a fever, place a thermometer under your child's armpit or use a special ear thermometer.
The first thing you should do is purchase an instant read thermometer.
Using your thermometer, check the temperature of the lamb.
You can buy a special thermometer for this at the drugstore, for about $15.
Use the candy thermometer to monitor the temperature of your wax.
Use a thermometer with an alarm to gauge this exact point.
It has been proved that these variations depend to a great extent on the chemical nature of the glass of which the thermometer is made.
If a mixture of A and B be melted and then allowed to cool, a thermometer immersed in the mixture will indicate a gradually falling temperature.
The second form of deep-sea thermometer is the self-registering maximum and minimum on James Six's principle.
Between the bulb and counterpoise is placed a thermometer, which serves to indicate the temperature of the liquid, and the instrument is provided with three weights which can be attached to the top of the stem.