Pronunciation: ˌ spek-tr ō - ' h ē -l ē - ə - ˌ gram
Function: noun
Date: 1905
: a photograph of the sun that is made by monochromatic light and shows the sun's faculae and prominences
Pronunciation: ˌ spek-tr ō - ' h ē -l ē - ə - ˌ gram
Function: noun
Date: 1905
: a photograph of the sun that is made by monochromatic light and shows the sun's faculae and prominences
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012