Area vs Spectrum - What's the difference?
area | spectrum | Related terms |
(mathematics) A measure of the extent of a surface; it is measured in square units.
A particular geographic region.
Any particular extent of surface, especially an empty or unused extent.
Figuratively, any extent, scope or range of an object or concept.
* {{quote-magazine, year=2013, month=September-October, author=
, magazine=(American Scientist), title= (British) An open space, below ground level, between the front of a house and the pavement.
(soccer) Penalty box; penalty area.
* {{quote-news, year=2010, date=December 29, author=Mark Vesty, work=BBC
, title= (slang) Genitals.
Specter, apparition.
A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.
* {{quote-news, year=2012, date=November 7, author=Matt Bai, title=Winning a Second Term, Obama Will Confront Familiar Headwinds, work=New York Times
, passage=As Mr. Obama prepared to take the oath, his approval rating touched a remarkable 70 percent in some polling — a reflection of good will across the political spectrum .}}
Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc.
* 2010 October 30, Jim Giles, Jammed!'', in '' ,
(chemistry) The pattern of absorption or emission of radiation produced by a substance when subjected to energy (radiation, heat, electricity, etc.).
(mathematics, linear algebra) The set of eigenvalues of a matrix.
(mathematics, functional analysis) Of a bounded linear operator A'', the set of scalar values ? such that the operator ''A—?I'', where ''I denotes the identity operator, does not have a bounded inverse; intended as a generalisation of the linear algebra sense.
Area is a related term of spectrum.
As nouns the difference between area and spectrum
is that area is area while spectrum is specter, apparition.area
English
Noun
(wikipedia area)Rob Dorit
Making Life from Scratch, passage=Today, a new area of research that similarly aims to mimic a complex biological phenomenon—life itself—is taking off. Synthetic biology, a seductive experimental subfield in the life sciences, seems tantalizingly to promise custom-designed life created in the laboratory.}}
- (Charles Dickens)
Wigan 2-2 Arsenal, passage=Bendtner's goal-bound shot was well saved by goalkeeper Ali Al Habsi but fell to Arsahvin on the edge of the area and the Russian swivelled, shaped his body and angled a sumptuous volley into the corner.}}
Derived terms
* * area code * area-denial * area of influence * area rug * area rule * Broca's area * combined statistical area * common area * danger area * disaster area * equal-area * free trade area * geographical area * goal area * gray area * grey area * lateral area * metropolitan area * metropolitan area network * notification area * outside gross area * penalty area * Planck area * prohibited area * protected area * rest area * restricted area * Ruhr Area * Schengen Area * safe area * second moment of area * service area * specific leaf area * staging area * surface area * terminal control area * Terminal High Altitude Area Defense * ventral tegmental area * Wernicke's areaSee also
* Imperial: square inches, square feet, square yards, square miles, acres * Metric: square meters/square metres, square centimeters/square centimetres, square kilometers/square kilometres, hectaresAnagrams
* 1000 English basic words ----spectrum
English
(wikipedia spectrum)Noun
(en-noun)citation
- Current 3G technologies can send roughly 1 bit of data - a one or a zero - per second over each 1 Hz of spectrum that the operator owns.