noncoding

adjective

non·​cod·​ing (ˈ)nän-ˈkō-diŋ 

: not specifying the genetic code

a noncoding DNA sequence

Examples of noncoding in a Sentence

Recent Examples on the Web

Even though the repeat is in a noncoding region of the gene [one that doesn’t contain instructions to build specific proteins], it has been shown to actually make toxic RNA and very small, toxic proteins. — Allison Parshall, Scientific American, 24 Apr. 2026

In this dark matter, noncoding DNA is transcribed into noncoding RNA. — Marlene Belfort, The Conversation, 10 Feb. 2026

Many noncoding genes serve important regulatory, protective, or other functions within a cell. — Glenn Zorpette, IEEE Spectrum, 4 Nov. 2025

Further analysis revealed that SARS-CoV-2 infection had altered small noncoding RNA molecules (sncRNAs) in sperm – epigenetic markers known to influence how genes are expressed in the next generation. — New Atlas, 13 Oct. 2025

Word History

First Known Use

1962, in the meaning defined above

Rhymes for noncoding

• corroding
• decoding
• downloading
• encoding
• eroding
• exploding
• foreboding
• railroading
• reloading
• unloading
• uploading
• boding

Medical Definition

noncoding

adjective

non·​cod·​ing (ˈ)nän-ˈkōd-iŋ 

: not specifying the genetic code

noncoding introns