messenger RNA

noun, Genetics.
1.
a single-stranded molecule of RNA that is synthesized in the nucleus from a DNA template and then enters the cytoplasm, where its genetic code specifies the amino acid sequence for protein synthesis.
Abbreviation: mRNA.
Origin
1960-65
British Dictionary definitions for messenger RNA

messenger RNA

noun
1.
(biochem) a form of RNA, transcribed from a single strand of DNA, that carries genetic information required for protein synthesis from DNA to the ribosomes Sometimes shortened to mRNA See also transfer RNA, genetic code
messenger RNA in Medicine

messenger RNA mes·sen·ger RNA (měs'ən-jər)
n.
See mRNA.

messenger RNA in Science
messenger RNA
  (měs'ən-jər)   
See under RNA.