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episome

[ep-uh-sohm]

noun Genetics.

bacterial DNA that is extrachromosomal and that may replicate autonomously as a plasmid or become incorporated into the chromosome and replicate with it.

Origin:
1930–35; epi- + -some³

Related forms

ep·i·so·mal, adjective

ep·i·so·mal·ly, adverb

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Episome is always a great word to know.

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a scrap or morsel of food left at a meal.

a gadget; dingus; thingumbob.

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Collins

World English Dictionary

episome (ˈɛpɪˌsəʊm)

—n
	a unit of genetic material (DNA) in bacteria, such as a plasmid, that can either replicate independently or can be integrated into the host chromosome

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage

Medical Dictionary

episome ep·i·some (ěp'ĭ-sōm')
n.
A genetic particle within certain cells, especially bacterial cells, that can exist either autonomously in the cytoplasm or as part of a chromosome.

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