To open or unfasten by means of a zipper or become unzipped.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unzip" in a sentence
"Even on Ares-I, the 'unzip' would still liberate a large amount of incandescent SRM fuel outwards and upwards (even if the AIUS prevented vertical/near-vertical dispersion) that the Orion would have to descend through."
"After the initial slow adoption of the gadget, the zipper has even infiltrated our civilian vocabulary now: to "unzip" is literally to open, but also to reveal a truth, as the zipper reveals the body underneath."
"DNA molecules can 'unzip' into two separate strands, and when the cell's machinery creates matching strands, the specific pairing between the bases ensures that you get two faithful copies where you had one before."