a. [f. prec. + -IC.] Of or pertaining to the chromosphere.
1869. (14 April) Lockyer, in Proc. R. S., XVII. 416. Stars may have their chromospheric light radiated from beyond the limb.
1871. trans. Schellens Spectr. Anal., App. 439. Catalogue of chromospheric lines.
1878. Newcomb, Pop. Astron., III. ii. 278. Hydrogen and other chromospheric gases.