Adenosine

//əˈdɛnəˌsin// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A nucleoside derived from adenine and ribose, found in striated muscle tissue.

    "Caffeine acts as an antagonist at receptors in the brain for one of the chemical messengers called adenosine."

  2. 2
    (biochemistry) a nucleoside that is a structural component of nucleic acids; it is present in all living cells in a combined form as a constituent of DNA and RNA and ADP and ATP and AMP wordnet

Synonyms

All synonyms
adenylic acid

Example

More examples

"Caffeine is a purinergic antagonist that competitively inhibits adenosine at the sites of P1 receptors."

Etymology

From German Adenosin, corresponding to aden(ine) + (rib)os(e) + -ine.

Related phrases

adenosine diphosphateadenosine monophosphateadenosine phosphateadenosine triphosphatephosphorylated adenosine

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