Definition

Noun 1. A chemical compound: Hydantoin is the name for a specific heterocyclic organic compound, or for a class of compounds derived from it, characterized by a particular ring structure. 2. A pharmaceutical agent: Specifically, hydantoin refers to any of a group of anticonvulsant medications, based on the hydantoin chemical structure, used primarily in the treatment of epilepsy and other seizure disorders.

Usage Examples

• Noun (Chemical Compound):
  • The core structure of many anticonvulsants is hydantoin.
  • Researchers synthesized a new derivative based on the hydantoin ring.
• Noun (Pharmaceutical):
  • Phenytoin is the most commonly prescribed hydantoin for managing tonic-clonic seizures.
  • The doctor considered switching her medication to a different hydantoin.

Advanced Usage

• "Hydantoin derivatives": This phrase refers to the many specific drugs (like phenytoin, ethotoin, mephenytoin) that are chemically modified forms of the basic hydantoin structure, each with slightly different properties and uses.

Variants and Related Words

• Anticonvulsant (n): A broader category of drugs used to prevent or reduce the severity of epileptic seizures; hydantoins are one class of anticonvulsants.
• Antiepileptic (n): A synonym for anticonvulsant, specifically for treating epilepsy.
• Phenytoin (n): The prototypical and most widely used hydantoin anticonvulsant medication.

Synonyms

• Anticonvulsant (when referring to its medical use)
• Antiepileptic drug (when referring to its medical use)

Notes on Different Meanings

The primary meaning of "hydantoin" is chemical. Its common use in medicine is a specific application of that chemical structure. In most contexts, especially medical ones, it refers to the pharmaceutical agents.

Noun

1. any of a group of anticonvulsant drugs used in treating epilepsy