Lens vs Pupil - What's the difference?
lens | pupil |
An object, usually made of glass, that focuses or defocuses the light that passes through it.
* {{quote-magazine, year=2013, month=July-August, author=
, magazine=(American Scientist), title= A device which focuses or defocuses electron beams.
(geometry) A convex shape bounded by two circular arcs, joined at their endpoints, the corresponding concave shape being a lune.
(biology) A genus of the legume family; its bean.
(anatomy) The transparent crystalline structure in the eye.
* {{quote-magazine, year=2013, month=July-August, author=
, title= (by extension, figuratively) A way of looking, literally or figuratively, at something.
* 2004 April 11, Ann Hulbert, "Are the Kids All Right?", in (The New York Times Magazine) , page 11:
To film, shoot.
(geology) To become thinner towards the edges.
(legal, obsolete) An orphan who is a minor and under the protection of the state.
(senseid)A student under the supervision of a teacher or professor.
* 1668 December 19, , “Mr.'' Alexander Seaton ''contra'' Menzies” in ''The Deci?ions of the Lords of Council & Se??ion I (Edinburgh, 1683),
* {{quote-magazine, date=2013-07-19, author=(Peter Wilby)
, volume=189, issue=6, page=30, magazine=(The Guardian Weekly)
, title= (anatomy) The hole in the middle of the iris of the eye, through which light passes to be focused on the retina.
In anatomy terms the difference between lens and pupil
is that lens is the transparent crystalline structure in the eye while pupil is the hole in the middle of the iris of the eye, through which light passes to be focused on the retina.As nouns the difference between lens and pupil
is that lens is an object, usually made of glass, that focuses or defocuses the light that passes through it while pupil is an orphan who is a minor and under the protection of the state.As a verb lens
is to film, shoot.lens
English
(wikipedia lens)Noun
(es)Catherine Clabby
Focus on Everything, passage=Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus. That’s because the lenses that are excellent at magnifying tiny subjects produce a narrow depth of field.}}
Fenella Saunders, magazine=(American Scientist)
Tiny Lenses See the Big Picture, passage=The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity. They also have high spatial resolution, resolving incoming images in minute detail.}}
- If "the public looks at the condition of America's children largely through a negative lens ," worries Child Trends promote child well-being."
Derived terms
* contact lens * fisheye lens * lenticel * lenticular * lenticule * lentil * long lens * long-focus lens * macro lens * normal lens * telephoto lens * wide-angle lens * zoom lensVerb
pupil
English
Etymology 1
From (etyl) .Noun
(en noun)page 575
- The Pupil after his Pupillarity, had granted a Di?charge to one of the Co-tutors, which did extingui?h the whole Debt of that Co-tutor, and con?equently of all the re?t, they being all correi debendi , lyable by one individual Obligation, which cannot be Di?charged as to one, and ?tand as to all the re?t.
Finland spreads word on schools, passage=Imagine a country where children do nothing but play until they start compulsory schooling at age seven. Then, without exception, they attend comprehensives until the age of 16. Charging school fees is illegal, and so is sorting pupils into ability groups by streaming or setting.}}
Etymology 2
(wikipedia pupil) From (etyl) pupille, from (etyl) , named because of the small reflected image seen when looking into someone's eye.Noun
(en noun)- Why did your pupils dilate when you saw me topless? Do you like me or something?