
• (n.) 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.
Found on
http://thinkexist.com/dictionary/meaning/substyle/
Sub'style` noun (Dialing) 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. Found on
http://www.encyclo.co.uk/webster/S/228
No exact match found.