An expiration, especially of a contract or an agreement.(noun)
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 "expiry" in a sentence
"Must do this before November when the 2 years since expiry is up."
"Many people are questioning the need for such a short term expiry on passports."
"For example, if we require active participation on twiki. org, svn, or the mailing list, with short term expiry, we exclude Will Thomas, Adam Hyde, and anyone that goes on a long sabbatical. tbh, i feel this may be a good thing, as voting without a full knowledge of the issues is not as good for the group."