nasal index
- in cephalometry, the ratio of the greatest breadth of the nose to its greatest height multiplied by 100
- in craniometry, the ratio of the greatest breadth of the nasal aperture (of the skull) to its greatest height multiplied by 100
See nasal index in American Heritage Dictionary 4
noun The ratio of the width to the height of the nose, multiplied by 100, used in anthropological measurements.