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Webster 1913 Edition

Adj.

[L.

Tithonius

belonging to

Tithonus

, the consort of Aurora, Gr. [GREEK].]

Of, pertaining to, or denoting, those rays of light which produce chemical effects; actinic.

[R.]

See also: tithonic

Tithonic

See also: Tithonic

tithonic ‎(not comparable)

Of, relating to, or denoting those rays of light which produce chemical effects; actinic.