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The science which relates to the action of light on sensitive bodies in the production of pictures, the fixation of images, and the like.

A sheet of glass, porcelain, metal, etc., with a coating that is sensitive to light.

A woman of affected modesty, reserve, or coyness; one who is overscrupulous or sensitive; one who affects extraordinary prudence in conduct and speech. Less modest than the speech of prudes. Swift.

Sensitive; perceptive in a high degree; ready; as, a quick ear. "To have an open ear, a quick eye." Shak. They say that women are so quick. Tennyson.

A picture produced by the Röntgen rays upon a sensitive surface, photographic or fluorescent, especially a picture of opaque objects traversed by the rays.

A very sensitive modification or application of the thermopile, used for indicating minute changes of radiant heat, or temperature.

A raw, sore, or galled place; a sensitive spot; as, to touch one on the raw. Like savage hackney coachmen, they know where there is a raw. De Quincey.

sex disjoined, Left all reserve, and all the sex, behind. Prior. The clergyman's shy and sensitive reserve had balked this scheme. Hawthorne.

ble to impression from without; easily affected; having nice perception or acute feeling; sensitive; also, readily moved or affected by natural agents; delicate; as, a sensible thermometer. "With affection wondrous sensible." Shak.

o be perceptible to the senses or to the mind; appreciably; with perception; susceptibly; sensitively. What remains past cure, Bear not too sensibly. Milton.

The quality or state of being sensitive; -- used chiefly in science and the arts; as, the sensitivity of iodized silver. Sensitivity and emotivity have also been used as the scientific term for the capacity of feeling. Hickok.

To render sensitive, or susceptible of being easily acted on by the actinic rays of the sun; as, sensitized paper or plate.

An instrument or apparatus for comparing and grading the sensitiveness of plates, films, etc., as a screen divided into squares of different shades or colors, from which a picture is made on the plate to be tested.

Having sense or sensibility; sensitive. [Obs.] Sir P. Sidney.

ving a faculty, or faculties, of sensation and perception. Specif. (Physiol.), especially sensitive; as, the sentient extremities of nerves, which terminate in the various organs or tissues.

Fig.: Sensitive; tender; easily pained, grieved, or vexed; very susceptible of irritation. Malice and hatred are very fretting and vexatious, and apt to make our minds sore and uneasy. Tillotson.

gher nature, or spirit, of man, the so-called animal soul, that is, the seat of life, the sensitive affections and phantasy, exclusive of the voluntary and rational powers; -- sometimes, in distinction from the mind, the moral and emotional part of man's nature, the seat of feeling, in distinction from intellect; -- so…

A glass vessel, usually cylindrical, filled with a solution which is sensitive to atmospheric changes, indicating by a clouded appearance, rain, snow, etc., and by clearness, fair weather.

eeling or emotional excitement; sensibility, in its broadest acceptation; impressibility; sensitiveness. Magnetic susceptibility (Physics), the intensity of magnetization of a body placed in a uniform megnetic field of unit strength. Sir W. Thomson.

Capable of impression; having nice sensibility; impressible; tender; sensitive; as, children are more susceptible than adults; a man of a susceptible heart. Candidates are . . . not very susceptible of affronts. Cowper. I am constitutionally susceptible of noises. Lamb. -- Sus*cep"ti*ble*ness, n. -- Sus*cep"ti*bly, ad…