Aperture vs Cell - What's the difference?
aperture | cell | Related terms |
An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
* Gilpin
* Owen
(optics) Something which restricts the diameter of the light path through one plane in an optical system.
(astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens. e.g. a telescope may have a 100 cm aperture.
(spaceflight, communications) The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array .
(mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.
A single-room dwelling for a hermit.
* 1596 , (Edmund Spenser), The Faerie Queene , VI.6:
A small room in a monastery or nunnery accommodating one person.
Each of the small hexagonal compartments in a honeycomb.
* 1858 , (Asa Gray), Introduction to Structural and Systematic Botany , fifth edition, p. 282:
(obsolete) Specifically, any of the supposed compartments of the brain, formerly thought to be the source of specific mental capacities, knowledge, or memories.
* 1890 , (Oscar Wilde), The Picture of Dorian Gray , ch.XVI:
A section or compartment of a larger structure.
*, II.12:
* 1810 , (Walter Scott), Lady of the Lake , II:
A room in a prison for one or more inmates.
A device which stores electrical]] power; used either singly or together in [[battery, batteries; the basic unit of a battery.
(biology) The basic unit of a living organism, consisting of a quantity of protoplasm surrounded by a cell membrane, which is able to synthesize proteins and replicate itself.
* 1999 , Paul Brown & Dave King, The Guardian , 15 Feb 1999:
* 2011 , Terence Allen & Graham Cowling, The Cell: A Very Short Introduction , Oxford 2011, p. 3:
(meteorology) A small thunderstorm, caused by convection, that forms ahead of a storm front.
(computing) The minimal unit of a cellular automaton that can change state and has an associated behavior.
(card games) In FreeCell-type games, a space where one card can be placed.
A small group of people forming part of a larger organization, often an outlawed one.
(communication) A short, fixed-length packet as in .
(communication) A region of radio reception that is a part of a larger radio network.
(geometry) A three-dimensional facet of a polytope.
(statistics) The unit in a statistical array (a spreadsheet, for example) where a row and a column intersect.
(architecture) The space between the ribs of a vaulted roof.
(architecture) A cella.
(entomology) An area of an insect wing bounded by veins
Aperture is a related term of cell.
As nouns the difference between aperture and cell
is that aperture is an opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall while cell is a single-room dwelling for a hermit or cell can be (us|informal) a cellular phone.As a verb cell is
to place or enclose in a cell.aperture
English
Noun
(en noun)- an aperture between the mountains
- the back aperture of the nostrils
- If the generatrix makes an angle ? to the axis, then the aperture is 2?.
Usage notes
The aperture of microscopes is often expressed in degrees, called also the angular aperture, which signifies the angular breadth of the pencil of light which the instrument transmits from the object or point viewed; as, a microscope of 100° aperture.Derived terms
* aperture priorityExternal links
* * ----cell
English
Etymology 1
(etyl) , later reinforced by (etyl) cel, (sele), (etyl) cele.Noun
(en noun) (wikipedia cell)- So, taking them apart into his cell , / He to that point fit speaches gan to frame […].
- Gregor Mendel must have spent a good amount of time outside of his cell .
- Each of the two cells or lobes of the anther is marked with a lateral line or furrow, running from top to bottom.
- From cell' to ' cell of his brain crept the one thought; and the wild desire to live, most terrible of all man's appetites, quickened into force each trembling nerve and fibre.
- Thou seest but the order and policie of this little Cell .
- Not long shall honour'd Douglas dwell, / Like hunted stag, in mountain-cell .
- The combatants spent the night in separate cells .
- This MP3 player runs on 2 AAA cells .
- An American company has applied to experiment in Britain on Parkinson's disease sufferers by injecting their brains with cells from pigs.
- In multicellular organisms, groups of cells form tissues and tissues come together to form organs.
- There is a powerful storm cell headed our way.
- The upper right cell always starts with the color green.
- Those three fellows are the local cell of that organization.
- Virtual Channel number 5 received 170 cells .
- I get good reception in my home because it is near a cell tower.