n.
Pronunciation: - ˌ graf
Function: noun
Etymology: International Scientific Vocabulary
Date: 1892
: an apparatus for making spectroheliograms
– spec · tro · he · li · og · ra · phy \ - ˌ h ē -l ē - ' ä-gr ə -f ē \ noun
n.
Pronunciation: - ˌ graf
Function: noun
Etymology: International Scientific Vocabulary
Date: 1892
: an apparatus for making spectroheliograms
– spec · tro · he · li · og · ra · phy \ - ˌ h ē -l ē - ' ä-gr ə -f ē \ noun
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012