diphenylhydantoin: meaning, definition, pronunciation and examples
Very LowSpecialized/Technical (Medical/Pharmacology)
Quick answer
What does “diphenylhydantoin” mean?
A synthetic anticonvulsant drug, primarily used to treat epilepsy and cardiac arrhythmias.
Audio
Pronunciation
Definition
Meaning and Definition
A synthetic anticonvulsant drug, primarily used to treat epilepsy and cardiac arrhythmias.
A crystalline derivative of hydantoin (a heterocyclic compound), historically the first widely used modern antiepileptic medication, now largely superseded by newer agents but still relevant in specific medical contexts.
Dialectal Variation
British vs American Usage
Differences
No differences in meaning or usage. Both UK and US medical professionals use the term identically for the chemical/drug entity.
Connotations
Identically technical and professional in both dialects.
Frequency
Identically rare, confined to specialist literature and practice.
Grammar
How to Use “diphenylhydantoin” in a Sentence
Administer/treat with diphenylhydantoin.The patient is on/responded to diphenylhydantoin.Monitor the levels of diphenylhydantoin.Vocabulary
Collocations
Examples
Examples of “diphenylhydantoin” in a Sentence
adjective
British English
- The diphenylhydantoin formulation was stable.
- Diphenylhydantoin-related side effects were noted.
American English
- The diphenylhydantoin compound was synthesized.
- Diphenylhydantoin-induced gingival hyperplasia is a known adverse effect.
Usage
Meaning in Context
Business
Rare. Potentially in pharmaceutical manufacturing, marketing, or patent discussions.
Academic
Primary context. Used in pharmacology, neurology, medicinal chemistry, and toxicology research papers and textbooks.
Everyday
Virtually never used.
Technical
Primary context. Standard term in medical charts, drug monographs, chemical databases, and pharmacology.
Vocabulary
Synonyms of “diphenylhydantoin”
Vocabulary
Antonyms of “diphenylhydantoin”
Watch out
Common Mistakes When Using “diphenylhydantoin”
- Mispronunciation (stress errors).
- Misspelling (e.g., diphenylhydontoin, diphenylhydantoine).
- Using the full chemical name 'diphenylhydantoin' in casual clinical conversation instead of 'phenytoin'.
FAQ
Frequently Asked Questions
Yes. Phenytoin is the International Nonproprietary Name (INN) for the drug, while diphenylhydantoin is its systematic chemical name.
The full chemical name is typically used in formal chemical, pharmacological, or historical contexts. In everyday medical practice, 'phenytoin' or a brand name like 'Dilantin' is almost always used.
Its use has declined in favour of newer antiepileptic drugs with fewer side effects and better pharmacokinetic profiles, but it is still used in specific situations, particularly where cost is a major factor or for certain types of seizures.
Common side effects include dizziness, drowsiness, nausea, and gingival hyperplasia (overgrowth of gum tissue). Serious risks include severe skin reactions, liver damage, blood cell abnormalities, and toxicity leading to ataxia, nystagmus, and cognitive impairment.
A synthetic anticonvulsant drug, primarily used to treat epilepsy and cardiac arrhythmias.
Diphenylhydantoin is usually specialized/technical (medical/pharmacology) in register.
Diphenylhydantoin: in British English it is pronounced /ˌdʌɪfɛnʌɪlˈhʌɪdəntəʊɪn/, and in American English it is pronounced /ˌdaɪˌfɛnəlhaɪˈdæntoʊɪn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
DIPHENYL (two benzene rings) + HYDANTOIN (the core chemical structure). Think of a HYDrANT pumping out medication for seizures.
Conceptual Metaphor
N/A. This is a technical label, not a metaphorical concept.
Practice
Quiz
What is the primary clinical use of diphenylhydantoin?