adj.
Pronunciation: ' spek-tr ə l
Function: adjective
Date: 1769
1 : of, relating to, or suggesting a specter : GHOSTLY
2 : of, relating to, or made by a spectrum
– spec · tral · ly \ ' spek-tr ə -l ē \ adverb
adj.
Pronunciation: ' spek-tr ə l
Function: adjective
Date: 1769
1 : of, relating to, or suggesting a specter : GHOSTLY
2 : of, relating to, or made by a spectrum
– spec · tral · ly \ ' spek-tr ə -l ē \ adverb
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012