Definition of "elongation" []

• The act of elongating or the condition of being elongated. (noun)
• Something that elongates; an extension. (noun)
• The angular distance between two celestial bodies as seen from Earth. (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.

• "Nucleosomes inhibit the initiation of transcription but allow chain elongation with the displacement of histones."
• "What would happen, I reasoned, is that one or more of them would be added to the oligonucleotide by the polymerase prior to the termination of chain elongation by addition of the dideoxynucleoside triphosphate, and it could easily be the wrong dideoxynucleoside triphosphate and it surely would result in an extension product that would be the wrong size, and the results would be spurious."
• "This figure is known as the elongation at fracture, or briefly, the "elongation," and is generally taken to be a measure of ductility."