between the pupils of the eyes: interpupillary distance.
Origin of interpupillary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for interpupillary
Historical Examples of interpupillary
(g) The frame shall be constructed with jointed bars for interpupillary adjustment.
(e) This glass shall be constructed with jointed bars for interpupillary adjustment.
Occurring between the pupils of the eyes, referring especially to the distance between the pupils.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.