a. [f. prec. + -IC.] Of or pertaining to the chromosphere.

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1869.  (14 April) Lockyer, in Proc. R. S., XVII. 416. Stars … may have their chromospheric light radiated from beyond the limb.

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1871.  trans. Schellen’s Spectr. Anal., App. 439. Catalogue of chromospheric lines.

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1878.  Newcomb, Pop. Astron., III. ii. 278. Hydrogen and other chromospheric gases.

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