Definition of spectral index in English:

spectral index

Line breaks: spec|tral index

noun

An exponential factor relating the flux density of a radio source to its frequency.

More definitions of spectral index

Definition of spectral index in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day setose
Pronunciation: ˈsēˌtōs
adjective
bearing bristles or setae; bristly