"gaseous envelope around the sun," 1868, coined by English astronomer Sir Joseph Norman Lockyer (1836-1920), from chromo-, from Greek khrōma "color" (see chroma) + sphere. So called for its redness. Related: Chromospheric.
chromatopsy
chrome
chromium
chromophotography
chromosome
chromosphere
chronic
chronicity
chronicle
chronicler
chrono-
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}