Definition of Pupil. Meaning of Pupil. Synonyms of Pupil

Here you will find one or more explanations in English for the word Pupil. Also in the bottom left of the page several parts of wikipedia pages related to the word Pupil and, of course, Pupil synonyms and on the right images related to the word Pupil.

Definition of Pupil

Pupil
Pupil Pu"pil, n. [F. pupille, n. fem., L. pupilla the pupil of the eye, originally dim. of pupa a girl. See Puppet, and cf. Pupil a scholar.] (Anat.) The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris. Pin-hole pupil (Med.), the pupil of the eye when so contracted (as it sometimes is in typhus, or opium poisoning) as to resemble a pin hole. --Dunglison.

Meaning of Pupil from wikipedia

- The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina. It appears black because light rays entering...
- Mydriasis is the dilation of the pupil, usually having a non-physiological cause, or sometimes a physiological pupillary response. Non-physiological causes...
- constriction of the pupil. The opposite condition, mydriasis, is the dilation of the pupil. Anisocoria is the condition of one pupil being more dilated...
- Apt Pupil (1982) is a novella by Stephen King, originally published in the 1982 novella collection Different Seasons, subtitled "Summer of Corruption"...
- varies the size of the pupil, via the optic and oculomotor cranial nerve. A constriction response (miosis), is the narrowing of the pupil, which may be caused...
- In an optical system, the entrance pupil is the optical image of the physical aperture stop, as 'seen' through the front (the object side) of the lens...
- Pupil teacher was a training program in wide use before the twentieth century, as an apprentice system for teachers. With the emergence in the beginning...
- In the UK, a Pupil Referral Unit (PRU) (previously known as Pupil Re-integration Unit by some Local Education Authorities) is an alternative education...
- Look up pupil in Wiktionary, the free dictionary. The pupil is the variable-sized, black opening in the centre of the iris. Pupil may also refer to: Student...
- Apt Pupil is a 1998 American psychological thriller film based on the 1982 novella of the same name by Stephen King. The film was directed by Bryan Singer...