Meaning of SPECTRUM in English
(spectra, or ~s)
The ~ is the range of different colours which is produced when light passes through a glass prism or through a drop of water. A rainbow shows the colours in the ~.
N-SING: the N
A ~ is a range of a particular type of thing.
Politicians across the political ~ have denounced the act...
The term ‘special needs’ covers a wide ~ of problems.
N-COUNT: usu sing, with supp
A ~ is a range of light waves or radio waves within particular frequencies.
Vast amounts of energy, from X-rays right through the ~ down to radio waves, are escaping into space...
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012