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elongation
(redirected from elongations)

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
elongation
[i′longā′shən]
Etymology: L, elongatio, a prolonging
a state of being lengthened or extended.

elongation (ē´lônggā´shn),
n the process or condition of increasing in length before breaking; indicates ductility (e.g., of a metal).
elongation, percent,
n 1. the increase in length of a material after fracture in tension.
n 2. a mechanical test usually employed to measure ductility.

elongation
1. in protein synthesis, cyclic process of growth of a polypeptide chain from mRNA attached to ribosomes. Requires mRNA, ribosomes, activated aminoacyl-tRNA, elongation factor EF-Tu activated with GTP.
2. in fatty acids, a process of adding carbon from acetyl CoA to a lengthening acyl chain. Mechanism for achieving diversity of fatty acids in biological systems.

elongation factor
one in a group of proteins involved in the elongation of polypeptide chains during protein synthesis.


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clamps directly onto a specimen and measures elongations up to 30 in.
The result is components with typical tensile strengths of 40,000-45,000 psi and elongations of 5-7%.
Permeating excerpts from The Silk Road (The Seidenstrasse 2000) by Dana Tai Soon Burgess, from the Hampton company in its early years, are foldings of the body, limb and torso elongations and suspensions, and also spiral weavings.
 
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