Possible to omit: an omissible passage in the text. (adjective)
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 "omissible" in a sentence
"And we know that that is omissible in similar noun phrases:"
"In the way of is omissible, in the examples, therefore can't really be said to 'govern' anything."
"To resolve the issue, we have to rely on syntactic criteria, and if a string is omissible as this one is it can hardly be called integrated."