(in prescriptions) every hour.
Origin of omn. hor.
From the Latin word omnī hōra
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
omni hora (every hour)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.