Dictionary
34 ENTRIES FOUND:

spectrum

noun spec·trum \ˈspek-trəm\

: the group of colors that a ray of light can be separated into including red, orange, yellow, green, blue, indigo, and violet : the colors that can be seen in a rainbow

: an entire range of light waves, radio waves, etc.

: a complete range of different opinions, people, etc.

plural spec·tra \-trə\ or spectrums

Full Definition of SPECTRUM

1
a :  a continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths are arranged in order
b :  any of various continua that resemble a color spectrum in consisting of an ordered arrangement by a particular characteristic (as frequency or energy): as
(1) :  electromagnetic spectrum (2) :  radio spectrum (3) :  the range of frequencies of sound waves (4) :  mass spectrum
c :  the representation (as a plot) of a spectrum
2
a :  a continuous sequence or range <a wide spectrum of interests> <opposite ends of the political spectrum>
b :  kinds of organisms associated with a particular situation (as an environment)
c :  a range of effectiveness against pathogenic organisms <an antibiotic with a broad spectrum>

Examples of SPECTRUM

  1. beautiful scarves in all the colors of the spectrum
  2. <the complete spectrum of opinions on this hotly debated subject>

Origin of SPECTRUM

New Latin, from Latin, appearance — more at specter
First Known Use: 1671

Other Pharmacology Terms

anodyne, cathartic, emetic, emollient, liniment, paregoric, poultice, purgative, soporific

Rhymes with SPECTRUM

spectrum

noun spec·trum \ˈspek-trəm\   (Medical Dictionary)
plural spec·tra \-trə\ or spectrums

Medical Definition of SPECTRUM

1
a :  a continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths are arranged in order b :  any of various continua that resemble a spectrum in consisting of an ordered arrangement by a particular characteristic (as frequency or energy): as (1) :  electromagnetic spectrum (2) :  mass spectrum c :  the representation (as a plot) of a spectrum
2
:  a continuous sequence or range; specifically :  a range of effectiveness against pathogenic organisms <an antibiotic with a broad spectrum>

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