verb.
Simple past tense and past participle of conserve.
adjective.
Of or relating to something to which conservation has been applied; saved from being wasted
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
protected from harm or loss
Word Usage
"Genomes do apparently have the ability to file whole sections of 'apparently useless' DNA in conserved regions, or file them where they're likely to accumulate substitution mutations, or excise them completely and toss them out with the trash."