substyle
n. கதிர்மணி வட்டத்தில் கோல் அமைந்துள்ள வரை.
Sub"style`, n. (Dialing) Defn: A right line on which the style, or gnomon, of a dial is erected; being the common section of the face of the dial and a plane perpendicular to it passing through the style. [Written also substile.] Hutton.