ptomaine: meaning, definition, pronunciation and examples
Very lowScientific/Technical; also colloquial but outdated
Quick answer
What does “ptomaine” mean?
A compound produced by the action of putrefactive bacteria on proteins, historically associated with food poisoning.
Audio
Pronunciation
Definition
Meaning and Definition
A compound produced by the action of putrefactive bacteria on proteins, historically associated with food poisoning.
In popular (but technically incorrect) usage, refers to any kind of food poisoning.
Dialectal Variation
British vs American Usage
Differences
Virtually identical in usage and rarity. It may appear slightly more often in older British detective fiction.
Connotations
Both varieties retain the same connotations: old-fashioned, melodramatic, or pseudo-scientific when used non-technically.
Frequency
Extremely low frequency in both. Its primary contemporary use is in the fixed phrase 'ptomaine poisoning', which is itself scientifically obsolete.
Grammar
How to Use “ptomaine” in a Sentence
N + from + NP (ptomaine from spoiled meat)NP + be + contaminated with + N (The food was contaminated with ptomaine.)Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used.
Academic
Rare, found in historical texts on toxicology or food safety. Modern science prefers terms like 'bacterial exotoxin' or specific toxin names.
Everyday
Very rare; may be used humorously or by older generations to refer to food poisoning ('I think I've got a touch of ptomaine').
Technical
Historical/obsolete term in medicine and food science. Still understood as a class of organic bases formed during putrefaction.
Vocabulary
Synonyms of “ptomaine”
Strong
Neutral
Watch out
Common Mistakes When Using “ptomaine”
- Using 'ptomaine' to refer to modern, diagnosed cases of food poisoning (e.g., salmonella).
- Spelling: 'ptomain', 'tomaine', 'ptomane'.
- Pronouncing the 'p' (it is silent).
FAQ
Frequently Asked Questions
In popular, outdated usage, yes. Scientifically, no. 'Ptomaine poisoning' was a historical term for illness from spoiled food, but we now know most such illnesses are caused by specific bacteria (e.g., Salmonella, E. coli), not the ptomaines themselves.
It comes from the Greek 'ptōma' meaning 'corpse' or 'fall'. English often retains the silent 'p' in words of Greek origin beginning with 'pt-' (e.g., pterodactyl, Ptolemy).
It is strongly discouraged. The term is considered obsolete in modern scientific literature. Use precise terms like 'bacterial toxin', 'exotoxin', or the name of the specific compound (e.g., cadaverine, putrescine) if known.
No, it is very rare. You are most likely to encounter it in old books, films, or as a humorous, old-fashioned way to refer to an upset stomach from food.
A compound produced by the action of putrefactive bacteria on proteins, historically associated with food poisoning.
Ptomaine is usually scientific/technical; also colloquial but outdated in register.
Ptomaine: in British English it is pronounced /ˈtəʊmeɪn/, and in American English it is pronounced /ˈtoʊmeɪn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “ptomaine poisoning (dated term for foodborne illness)”
Learning
Memory Aids
Mnemonic
Think 'TOMAIN' cause of pain - an old-timey name for a stomachache from bad food.
Conceptual Metaphor
POISON IS A GHOST (from the dead/decaying matter).
Practice
Quiz
In which context is the word 'ptomaine' most accurately used today?