band spectrum

American  

noun

Physics.

1. an optical spectrum consisting of groups of closely spaced spectral lines, characteristic of molecules.

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band spectrum British  

noun

1. a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules

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Etymology

Origin of band spectrum

First recorded in 1865–70

Example Sentences

Court of Appeals for the District of Columbia seeking to reverse the FCC's reallocation of 60% of the 5.9 GHz band spectrum block.

From Reuters • Aug. 12, 2022

Some of the C band spectrum auctioned had been used for satellite radio but the transition to 5G means there will be much more traffic.

From Reuters • Jan. 18, 2022

High band spectrum, which is sparsely available, may travel only a mile but is by far the fastest.

From Reuters • Oct. 14, 2021

For example, AT&T and Verizon paid $16 billion at the first auction of TV band spectrum in 2008, acquiring nearly 80 percent of the license areas auctioned.

From Slate • Feb. 8, 2013