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n. Genetics
An artificially constructed plasmid used for cloning large genes or other DNA sequences.

[Blend of cos (sequence), sequence of DNA allowing the cosmid to form as a circle (short for cohesive ends) and plasmid.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a large plasmid that is used as a cloning vector and is able to clone large segments of DNA
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cosmid - (genetics) a large vector that is made from a bacteriophage and used to clone genes or gene fragments
vector - (genetics) a virus or other agent that is used to deliver DNA to a cell
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
[ClickPress, Wed Oct 10 2018] Fosmids are DNA vectors similar to cosmids with F-factors replication which are used for DNA segregation and replication.
The metagenomic expression libraries are created by insertion of fragmented metagenomic DNA into expression vectors based on plasmids, cosmids, fosmids, or phages.