What does cadaverine mean?
Cadaverine is a foul-smelling organic compound classified as a diamine, with the chemical formula NH2(CH2)5NH2. It forms when bacteria break down the amino acid lysine during the decay of animal protein, making it one of the key contributors to the characteristic odour of rotting flesh. Its very name derives from the Latin word for a corpse, underscoring its association with death. Although toxic in high doses, trace amounts occasionally appear in spoiled meat, fish, and fermented foods, which makes cadaverine useful to food scientists as a marker of spoilage. Forensic researchers also study it because its presence and concentration can help estimate how long a body has been dead. The word appears almost exclusively in chemistry, forensic science, and food-safety contexts rather than everyday conversation, but it remains a striking example of how language encodes our most primal sensory experiences — in this case, the unmistakable smell of decay.
nounA foul-smelling diamine compound produced by the decarboxylation of lysine during the decomposition of animal tissue; it is one of the substances chiefly responsible for the odour of putrefying flesh.
- A toxic diamine (NH2(CH2)5NH2) formed by bacterial decarboxylation of the amino acid lysine in decomposing protein matter, responsible in part for the odour of putrefying flesh.
"The unmistakable stench of cadaverine led forensic investigators to the hidden grave."
"Forensic entomologists measure cadaverine levels to estimate how long a body has been decomposing."
"Because cadaverine signals decay so powerfully, food scientists study it as a marker of spoilage in meat and fish."
Rarely pluralised; the word is normally used as an uncountable mass noun referring to the substance itself. A plural would occur only when discussing different variants or instances of the compound.
"Different bacterial pathways yield slightly different cadaverines in decaying tissue."
Named after corpses themselves — cadaverine is literally 'the corpse chemical,' and your nose can detect it in vanishingly small concentrations.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cadaverine
Cadaverine was named in the nineteenth century by combining 'cadaver', from Latin cadaver meaning a dead body or corpse, with the chemical suffix '-ine' used for organic bases such as amines. The word thus transparently means 'corpse substance'. It shares this Latin root with English words like cadaver, cadaverous, and cadaveric, all relating to dead bodies.
How cadaverine is actually used
Cadaverine is a technical term used chiefly in chemistry, forensics, and food science. It carries an inherently unpleasant connotation through its association with death and decay, and it is rarely encountered outside scientific contexts. It belongs to a group once loosely called ptomaines, though that older term has largely fallen out of use.
Easily confused with cadaverine
Putrescine is a related but distinct four-carbon diamine derived from ornithine, whereas cadaverine is its five-carbon counterpart derived from lysine; both contribute to the smell of decay.