elongation

1. The act of elongating or the condition of being elongated.
2. Something that elongates; an extension.
3. The angular distance between two celestial bodies as seen from Earth.

noun

The act of making something longer or the condition of being made longer: extension, prolongation, protraction. See long/short.

The process or condition of increasing in length before breaking; indicates ductility (for example, of a metal).

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.

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

Elongation may refer to:

• Elongation (astronomy)
• Elongation (materials science)

Or to biological processes:

• Part of transcription of DNA into mRNA
• Part of eukaryotic or prokaryotic translation of mRNA

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