![]() under fourteen years for males, and twelve for females.- adj. a little boy or girl: one under the care of a tutor: a scholar: a ward: ( law) one under the age of puberty-i.e. On the inner edge lies a prominent structure, the collarette, marking the junction of the embryonic pupillary membrane covering the embryonic pupil.Ĭhambers 20th Century Dictionary Rate this definition: 0.0 / 0 votes The image of the pupil as seen from outside the eye is the entrance pupil, which does not exactly correspond to the location and size of the physical pupil because it is magnified by the cornea. In optical terms, the anatomical pupil is the eye's aperture and the iris is the aperture stop. The term "pupil" was coined by Gerard of Cremona.In humans, the pupil is round, but its shape varies between species some cats, reptiles, and foxes have vertical slit pupils, goats have horizontally oriented pupils, and some catfish have annular types. It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye directly, or absorbed after diffuse reflections within the eye that mostly miss exiting the narrow pupil. The pupil is a black hole located in the center of the iris of the eye that allows light to strike the retina. Wikipedia Rate this definition: 0.0 / 0 votes Thrust forth the gems, and give the flow’rs to blow. Through the new pupil soft’ning juices flow, Jove’s tree adopts, and lifts him to the skies So some weak shoot, which else would poorly rise, A ward one under the care of his guardian. The great work of a governor is, to settle in his pupil good habits, and the principles of virtue and wisdom. Tutors should behave reverently before their pupils. ![]() If this arch-politician find in his pupils any remorse, any fear of God’s future judgments, he persuades them that God hath so great need of men’s souls, that he will accept them at any time, and upon any condition. With store of tears this treason ’gan unfold,Īnd said my guardian would his pupil kill. My master sues to her, and she hath taught her suitor, The rays, which enter the eye at several parts of the pupil, have several obliquities to the glasses. ![]() The uvea has a musculous power, and can dilate and contract that round hole in it, called the pupil of the eye. Setting a candle before a child, bid him look upon it, and his pupil shall contract itself very much to exclude the light as when after we have been some time in the dark, a bright light is suddenly brought in and set before us, till the pupils of our eyes have gradually contracted. Looking in a glass, when you shut one eye, the pupil of the other, that is open, dilateth. ![]() Samuel Johnson's Dictionary Rate this definition: 0.0 / 0 votesĮtymology: pupilla, Lat. ![]()
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