1. The turbulent flow of air driven backward by the propeller or propellers of an aircraft. Also called race2.
2. The area of reduced pressure or forward suction produced by and immediately behind a fast-moving object as it moves through air or water.
intr.v. slip·streamed, slip·stream·ing, slip·streams
To drive or cycle in the slipstream of a vehicle ahead.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.