intensity


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intensity

1. Physics
a. a measure of field strength or of the energy transmitted by radiation
b. (of sound in a specified direction) the average rate of flow of sound energy, usually in watts, for one period through unit area at right angles to the specified direction.
2. Geology a measure of the size of an earthquake based on observation of the effects of the shock at the earth's surface. Specified on the Mercalli scale

intensity

1. (radiant intensity) The radiant flux emitted per unit solid angle by a point source in a given direction. It is measured in watts per steradian.
2. Obsolete name for field strength of a magnetic or electric field.

intensity

[in′ten·səd·ē]
(physics)
The strength or amount of a quantity, as of electric field, current, magnetization, radiation, or radioactivity.
The power transmitted by a light or sound wave across a unit area perpendicular to the wave.
References in classic literature ?
At the evening encampment, when others were busy gathering fuel, providing for the horses, and cooking the evening repast, this worthy Sancho of the wilderness would take his seat quietly and cosily by the fire, puffing away at his pipe, and eyeing in silence, but with wistful intensity of gaze, the savory morsels roasting for supper.
To be left to write about it is not, perhaps, the most enviable fate; but the point is that this impression resumes in its intensity the whole recollection of days and days of desperately dangerous weather.
And in a low voice, as the cart went slowly along through the midst of the gazing crowd, she poured forth her soul with the wrestling intensity of a last pleading, for the trembling creature that clung to her and clutched her as the only visible sign of love and pity.
in four days, and will reach its maximum intensity twenty-seven hours after inception.
Far ahead I presently heard a deep and sullen roar which increased in volume as I advanced, and then broke upon my ears with all the intensity of its mad fury as I swung round a sharp curve into a dimly lighted stretch of water.
Philip was carried away by the sordid intensity of it.
The French army melted away and perished at the same rate from Moscow to Vyazma, from Vyazma to Smolensk, from Smolensk to the Berezina, and from the Berezina to Vilna- independently of the greater or lesser intensity of the cold, the pursuit, the barring of the way, or any other particular conditions.
So, too, is it impossible to conjecture just what her emotions may have been as she discerned the lights of a flier speeding rapidly out of the distance from that very direction, as though impelled toward her garden by the very intensity of the princess' thoughts.
He hated the blue and white, the intensity and definiteness, the hum and heat of the south; the landscape seemed to him as hard and as romantic as a cardboard background on the stage, and the mountain but a wooden screen against a sheet painted blue.
Here Sir James's look of disgust returned in all its intensity.
While I was reading, and thinking, and living Shakespeare with such an intensity that I do not see how there could have been room in my consciousness for anything else, there seem to have been half a dozen other divinities there, great and small, whom I have some present difficulty in distinguishing.
Thomson seemed to be considering the idea with strange intensity.