auricular index

au·ric·u·lar in·dex

relation of the width to the height of the auricle or pinna: (width of pinna × 100)/length of pinna.

au·ric·u·lar in·dex

(aw-rikyū-lăr indeks)
Relation of the width to the height of the auricle or pinna: (width of pinna × 100)/length of pinna.