Spectrum vs Invisible - What's the difference?
spectrum | invisible |
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.
Unable to be seen; out of sight; not visible.
* (John Milton)
*
, title=(The Celebrity), chapter=4
, passage=The Celebrity, by arts unknown, induced Mrs. Judge Short and two other ladies to call at Mohair on an afternoon when Mr. Cooke was trying a trotter on the track.
* {{quote-magazine, year=2013, month=May-June, author=
, title= * 2013 , Jayne Smith, Guide to Basic Garment Assembly for the Fashion Industry (page 60)
Not appearing on the surface.
(Internet) Apparently, but not actually, offline.
(psychology) That is ignored by a person.
As a noun spectrum
is specter, apparition.As an adjective invisible is
unable to be seen; out of sight; not visible.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.
Derived terms
* light spectrum * spectro- * spectrum disorderAnagrams
* English nouns with irregular plurals ----invisible
English
Adjective
(-)- To us invisible , or dimly seen / In these thy lowest works.
William E. Conner
An Acoustic Arms Race, volume=101, issue=3, page=206-7, magazine=(American Scientist) , passage=Earless ghost swift moths become “invisible ” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.}}
- The teeth on an invisible zip are different from those on a conventional zip, as they are turned onto the inside so that they do not show, giving the impression of being concealed in the seam, as seen below.