vadose zone

[ vā′dōs′ ]

A subsurface zone of soil or rock containing fluid under pressure that is less than that of the atmosphere. Pore spaces in the vadose zone are partly filled with water and partly filled with air. The vadose zone is limited by the land surface above and by the water table below. Compare phreatic zone.

QUIZZES

DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!

It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?
to waver in mind or opinion; be indecisive or irresolute.
to cause to be empty or unoccupied.
to assent tacitly; agree; consent.
TAKE THE QUIZ TO FIND OUT

Words nearby vadose zone

VAD, vade mecum, V. Adm., Vadodara, vadose, vadose zone, Vadsö, Vaduz, vae victis, vag, vagabond
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.