[ uhp-draft, -drahft ]
/ ˈʌpˌdræft, -ˌdrɑft /


the movement upward of air or other gas.

Words nearby updraft

Origin of updraft

late Middle English word dating back to 1400–50; see origin at up-, draft
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for updraft

Scientific definitions for updraft

[ ŭpdrăft′ ]

An upward current of warm, moist air. With enough moisture, the current may visibly condense into a cumulus or cumulonimbus cloud. Compare downdraft.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.