- of or relating to a focus.
Origin of focal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of or relating to a focus
- situated at, passing through, or measured from the focus
Word Origin and History for focally
Online Etymology Dictionary, © 2010 Douglas Harper
- Of or relating to a focus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.