Definition of convulsant in English:


Syllabification: con·vul·sant
Pronunciation: /kənˈvəlsənt


(Chiefly of drugs) producing sudden and involuntary muscle contractions.
More example sentences
  • Some users, however, report that they become more sensitive to cocaine's anesthetic and convulsant effects even without increasing the amount.
  • This is done by the psychiatric profession under the medical term ‘ECT’ (electro convulsant therapy).
  • Experimental studies have confirmed that folates are highly convulsant if the blood-brain barrier is circumvented.


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A convulsant drug.
More example sentences
  • Seizures could be nonepileptic if evoked in the normal brain by treatments, such as electric shock or chemical convulsants, or epileptic when occurring without evident provocation.
  • The toxic ingredients are of various types, ranging from local irritants to convulsants, hallucinogens, and neurotoxins (nerve poisons).
  • Other herbal extracts, essence of sage which contains camphor, a well-known convulsant, and essence of hysop which contains pinocamphone, a neurotoxin, are commonly encountered ‘natural remedies.’


late 19th century: from French, from convulser, from Latin convuls- 'pulled violently, wrenched', from the verb convellere (see convulse).

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