Chromosome

//ˈkɹoʊməˌsoʊm// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    A linear arrangement of condensed DNA and associated proteins (such as chaperone proteins) which contains the genetic material (genome) of an organism.

    "Chromosomes store genetic information."

  2. 2
    a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order wordnet

Example

More examples

"Men have an X and Y chromosome; women, two Xs."

Etymology

19th century: from German Chromosom, ultimately from Ancient Greek χρῶμα (khrôma, “colour”) + σῶμα (sôma, “body”) (because they are stained under the microscope). Equivalent to chromo- + -some.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.