Noun

(es)

An object, usually made of glass, that focuses or defocuses the light that passes through it.

* {{quote-magazine, year=2013, month=July-August, author= Catherine Clabby

, magazine=(American Scientist), title= 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.}}

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= Fenella Saunders, magazine=(American Scientist)

, title= 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.}}

(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:

If "the public looks at the condition of America's children largely through a negative lens ," worries Child Trends promote child well-being."

Noun

(en noun)

A result that one is attempting to achieve.

* {{quote-magazine, date=2013-11-02, volume=409, issue=8860, magazine=(The Economist)

, title= A shrinking slice , passage=The goal should be to strengthen workers without hamstringing firms. Growth, rather than employment protection, is the priority. More work means a stronger labour market, which would bid up employees’ slice, as it did in America in the 1990s when unemployment was at record lows.}}

In many sports, an area into which the players attempt to put an object.

The act of placing the object into the goal.

A point scored in a game as a result of placing the object into the goal.

* {{quote-news, year=2011, date=April 15, author=Saj Chowdhury, work=BBC Sport

, title= Norwich 2-1 Nott'm Forest , passage=The former Forest man, who passed a late fitness test, appeared to use Guy Moussi for leverage before nodding in David Fox's free-kick at the far post - his 22nd goal of the season.}}

A noun or noun phrase that receives the action of a verb. The subject of a passive verb or the direct object of an active verb. Also called a patient, target, or undergoer.