mirna

M3I1R1N1A1

noun

microRNA

UncommonScrabble 7

Meanings

mirna1

nounmirna (plural mirnas)

plural mirnas

miRNA2

nounmiRNA (plural miRNAs)

plural miRNAs

  1. biologyA microRNA.

    There are ~80 genes in the C elegans genome coding for miRNAs that are twenty-one to twenty-four nucleotides long.

    2007, Benjamin Lewin, Genes IX, →ISBN, page 343
    1 more example

    MicroRNAs (miRNAs) finely regulate gene expression and play an important role in various cellular processes, including cell growth, differentiation, proliferation, and apoptosis.

    2010, Dimond, Patricia F., "miRNAs' Therapeutic Potential" (original copy), Genetic Engineering & Biotechnology News, vol. 30, no. 6, page 1

Origin

From microRNA. The seminal article on microRNAs did not introduce the abbreviation miRNA nor the term microRNA, but rather referred to the entities as small RNAs.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry
APA

mirna. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mirna

MLA

“mirna.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mirna. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mirna,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mirna.

Source: mirna on Wiktionary, CC BY-SA 4.0.