Found 1 items, similar to Orbital index.
English → English (gcide)
Definition: Orbital index
Orbital
\Or"bit*al\, a.
Of or pertaining to an orbit.
“Orbital revolution.” --J. D.
Forbes.
[1913 Webster]
Orbital index (Anat.), in the skull, the ratio of the
vertical height to the transverse width of the orbit,
which is taken as the standard, equal to 100.
[1913 Webster]