Dialytic \Di`a*lyt"ic\, a. [Gr. ?, fr. ?. See Dialysis.]

Having the quality of unloosing or separating. --Clarke.

Dialytic telescope, an achromatic telescope in which the colored dispersion produced by a single object lens of crown glass is corrected by a smaller concave lens, or combination of lenses, of high dispersive power, placed at a distance in the narrower part of the converging cone of rays, usually near the middle of the tube.

Source: Webster's Revised Unabridged Dictionary (1913)