Am'as-thēn'ic, a.
a. [Gr. ἅμα, together, and σθένος, force.] Uniting the chemical rays of light into one focus, as a certain kind of lens; amacratic. Sir J. Herschel.
a. [Gr. ἅμα, together, and σθένος, force.] Uniting the chemical rays of light into one focus, as a certain kind of lens; amacratic. Sir J. Herschel.