valval

[val-vuh l]

Origin of valval

First recorded in 1890–95; valve + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

valval in Medicine

valval

[vălvəl]
adj.
  1. Valvular.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.