Definition of pupil

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Pupil (n.) The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris..

Lern More About Pupil

Myotic :: Myotic (a.) Producing myosis, or contraction of the pupil of the eye, as opium, calabar bean, etc..
Duboisine :: Duboisine (n.) An alkaloid obtained from the leaves of an Australian tree (Duboisia myoporoides), and regarded as identical with hyoscyamine. It produces dilation of the pupil of the eye..
Wardship :: Wardship (n.) The state of begin under a guardian; pupilage.
Albino :: Albino (n.) A person, whether negro, Indian, or white, in whom by some defect of organization the substance which gives color to the skin, hair, and eyes is deficient or in a morbid state. An albino has a skin of a milky hue, with hair of the same color, and eyes with deep red pupil and pink or blue iris. The term is also used of the lower animals, as white mice, elephants, etc.; and of plants in a whitish condition from the absence of chlorophyll..
Iridectomy :: Iridectomy (n.) The act or process of cutting out a portion of the iris in order to form an artificial pupil.
Mydriatic :: Mydriatic (a.) Causing dilatation of the pupil.
Bipupillate :: Bipupillate (a.) Having an eyelike spot on the wing, with two dots within it of a different color, as in some butterflies..
Eserine :: Eserine (n.) An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil..
Monitor :: Monitor (n.) Hence, specifically, a pupil selected to look to the school in the absence of the instructor, to notice the absence or faults of the scholars, or to instruct a division or class..
Gecko :: Gecko (n.) Any lizard of the family Geckonidae. The geckoes are small, carnivorous, mostly nocturnal animals with large eyes and vertical, elliptical pupils. Their toes are generally expanded, and furnished with adhesive disks, by which they can run over walls and ceilings. They are numerous in warm countries, and a few species are found in Europe and the United States. See Wall gecko, Fanfoot..
Forwardness :: Forwardness (n.) A state of advance beyond the usual degree; prematureness; precocity; as, the forwardnessof spring or of corn; the forwardness of a pupil..
Schoolroom :: Schoolroom (n.) A room in which pupils are taught.
School :: School (n.) An assemblage of scholars; those who attend upon instruction in a school of any kind; a body of pupils.
Student :: Student (n.) A person engaged in study; one who is devoted to learning; a learner; a pupil; a scholar; especially, one who attends a school, or who seeks knowledge from professional teachers or from books; as, the students of an academy, a college, or a university; a medical student; a hard student..
Lacasterian :: Lacasterian (a.) Of or pertaining to the monitorial system of instruction followed by Joseph Lancaster, of England, in which advanced pupils in a school teach pupils below them..
Iris :: Iris (n.) The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye..
Chiroplast :: Chiroplast (n.) An instrument to guid the hands and fingers of pupils in playing on the piano, etc..
Mydriasis :: Mydriasis (n.) A long-continued or excessive dilatation of the pupil of the eye.
Extern :: Extern (n.) A pupil in a seminary who lives without its walls; a day scholar.
Pupilage :: Pupilage (n.) The state of being a pupil.
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