Tī-thŏn'ic, a.
a. [Lat. Tithonius, belonging to Tithonus, Gr. Τιθωνός, the consort of Aurora.] Of, pertaining to, or denoting, those rays of light which produce chemical effects.
a. [Lat. Tithonius, belonging to Tithonus, Gr. Τιθωνός, the consort of Aurora.] Of, pertaining to, or denoting, those rays of light which produce chemical effects.